Produits et services

Apparatus for analysing gases; Measuring apparatus and instruments; automatic chromatography apparatus for laboratory use; Spectrometers; sensors; Detectors; camcorders; infrared detectors; Infrared optical apparatus; Gas testing instruments; optical sensors; ultrasonic sensors; Laser level measuring apparatus; Handheld Measuring instruments; Measuring instruments; hand scanner; handheld computers; proximity detectors; metal detectors; Spectrometry apparatus; Hyperspectral sensors; Hyperspectral chambers; Hyperspectral cameras; panoptic cameras; cameras; infrared cameras; Hyperspectral imaging detectors and apparatus; ultraviolet detection apparatus; spectrograph apparatus; spectrographic apparatus; infrared detection apparatus; light imaging Detection and Ranging [LIDAR] apparatus; Remote control telemetering machines and instruments; Telemeter apparatus; aerometers.

Produits et services

Data processing apparatus; cameras; network cameras; video recorders; monitors; network servers; radar apparatus; batteries, electric; sensors; network communication equipment; alarms; Central Processing Unit (CPU) for information, data, sounds and images processing; scanners for data processing; interactive touchscreen terminals; Wireless communication devices for voice, data or image transmission; recorded computer operating software; computer software, recorded; computer software applications, downloadable; computer software for intelligent search; Computer software platforms (recorded) for intelligent search; facial recognition software; datasets, recorded or downloadable; computer programs, recorded; Downloadable computer software for data collection, analysis, and curation in the field of deep learning; Computer programs for editing images, sound and video. Providing search engines for the internet; providing search engines for video recorders and cameras; Maintenance and installation of computer software for intelligent search; software as a service [SaaS]; software engineering services; technological research; research in the field of artificial intelligence technology; development of computer platforms; computer software design; providing virtual computer systems through cloud computing; electronic data storage; updating of computer software; computer programming services for data processing; installation of computer software design and writing of computer software; platform as a service [PaaS]; computer software consultancy; software development in the framework of software publishing; maintenance of computer software; technical support services for computer software; creating and designing website-based indexes of information for others [information technology services].

Abrégé

Embodiments of the present disclosure provide an encoding and decoding method, apparatus and device. The method includes: obtaining a weight prediction angle and weight configuration parameters; configuring reference weight values for surrounding positions outside the current block; determining a surrounding matching position to which the pixel position points; determining a target weight value of the pixel position based on a reference weight value associated with the surrounding matching position, and determining an associated weight value of the pixel position based on the target weight value of the pixel position; determining a first prediction value of the pixel position and a second prediction value; determining a weighted prediction value of the pixel position based on the first prediction value, target weight value, second prediction value and associated weight value; determining weighted prediction values of the current block based on the weighted prediction value of each pixel position of the current block.

Classes IPC  ?

• H04N 19/105 - Sélection de l’unité de référence pour la prédiction dans un mode de codage ou de prédiction choisi, p. ex. choix adaptatif de la position et du nombre de pixels utilisés pour la prédiction
• H04N 19/137 - Mouvement dans une unité de codage, p. ex. différence moyenne de champs, de trames ou de blocs
• H04N 19/159 - Type de prédiction, p. ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc

Abrégé

The present application provides a camera capable of reducing interference of flying insects, comprising: a camera body, which is formed as a cuboid with a cavity inside and has the front end in the length direction provided with an opening, the width direction of the opening extending in the horizontal direction; a front cover, which is arranged on the opening to close the cavity; a lens assembly, which is mounted on the front cover by means of a first fixing sheet metal; a fill light assembly, which is mounted on the inner side of the front cover and provides an auxiliary light source towards the field of view of the lens assembly; and a mainboard assembly, which is arranged on the front cover by means of a second fixing sheet metal, wherein the lens assembly and the fill light assembly are arranged on the front cover in the horizontal direction, and the lens assembly is mounted in a space defined by the first fixing sheet metal and the second fixing sheet metal.

Classes IPC  ?

• H04N 23/55 - Pièces optiques spécialement adaptées aux capteurs d'images électroniquesLeur montage

Abrégé

A battery quality online detection method and apparatus, and a device. The method comprises: in a non-contact manner, collecting an initial ultrasonic signal of the surface of a slurry, the slurry being obtained by mixing and stirring a positive electrode solid-state battery material and a negative electrode solid-state battery material (201); acquiring a target ultrasonic signal corresponding to the initial ultrasonic signal (202); acquiring an acoustic feature and a signal feature of the target ultrasonic signal, and fusing the acoustic feature and the signal feature to obtain a fused feature (203); on the basis of the fused feature, predicting material components of the slurry (204); and on the basis of the material components, detecting the battery quality corresponding to the slurry (205). Battery quality online detection is achieved during slurry stirring, and battery quality can be significantly improved.

Classes IPC  ?

• G01N 29/02 - Analyse de fluides
• G01N 29/44 - Traitement du signal de réponse détecté
• G01N 21/17 - Systèmes dans lesquels la lumière incidente est modifiée suivant les propriétés du matériau examiné
• G01N 29/032 - Analyse de fluides en mesurant l'atténuation des ondes acoustiques
• G01N 29/024 - Analyse de fluides en mesurant la vitesse de propagation ou le temps de propagation des ondes acoustiques
• G01N 29/028 - Analyse de fluides en mesurant l'impédance mécanique ou acoustique

Produits et services

(1) Computer programs, downloadable; computer software applications, downloadable; computer programs, recorded; computer programs (software downloadable); chatbot software for simulating conversations; data processing apparatus; computer software platforms, recorded or downloadable; mobile phone software applications, downloadable; computer software, recorded; computer software for operation and control of audio and video equipment; datasets, recorded or downloadable; image, chart and word processing software; downloadable computer software for data collection, analysis and curation in the field of deep learning; facial recognition apparatus; network communication equipment; camcorders; monitoring apparatus, other than for medical purposes; detectors; infrared detectors; air analysis apparatus; optical apparatus and instruments; video screens; electronic numeric displays; sensor; alarms; theft prevention installations, electric; batteries, electric; computer servers; network servers; network Video Recorders; radar apparatus; security check devices. (1) Research in the field of artificial intelligence technology; design and development of multimedia products; development of computer platforms; computer system design; computer software design; design and development of application software for mobile phones; cloud computing; consultancy in the design and development of computer hardware; providing virtual computer systems through cloud computing; information technology [IT] consultancy; electronic data storage; maintenance of computer software; software as a service [SaaS]; updating of computer software; providing information relating to computer technology and programming via a website; computer software design; providing search engines for the internet; technological consulting services for digital transformation; computer programming services for data processing; creating and designing website-based indexes of information for others [information technology services]; conversion of computer programs and data, other than physical conversion; installation of computer software; platform as a service [PaaS].

Produits et services

(1) Computer programs, downloadable; computer software applications, downloadable; computer programs, recorded; computer programs (software downloadable); chatbot software for simulating conversations; data processing apparatus; computer software platforms, recorded or downloadable; mobile phone software applications, downloadable; computer software, recorded; computer software for operation and control of audio and video equipment; datasets, recorded or downloadable; image, chart and word processing software; downloadable computer software for data collection, analysis and curation in the field of deep learning; facial recognition apparatus; network communication equipment; camcorders; monitoring apparatus, other than for medical purposes; detectors; infrared detectors; air analysis apparatus; optical apparatus and instruments; video screens; electronic numeric displays; sensor; alarms; theft prevention installations, electric; batteries, electric; computer servers; network servers; network Video Recorders; radar apparatus; security check devices. (1) Research in the field of artificial intelligence technology; design and development of multimedia products; development of computer platforms; computer system design; computer software design; design and development of application software for mobile phones; cloud computing; consultancy in the design and development of computer hardware; providing virtual computer systems through cloud computing; information technology [IT] consultancy; electronic data storage; maintenance of computer software; software as a service [SaaS]; updating of computer software; providing information relating to computer technology and programming via a website; computer software design; providing search engines for the internet; technological consulting services for digital transformation; computer programming services for data processing; creating and designing website-based indexes of information for others [information technology services]; conversion of computer programs and data, other than physical conversion; installation of computer software; platform as a service [PaaS].

Abrégé

The present application discloses image coding and decoding methods and apparatuses, and a storage medium, relates to the field of image coding and decoding technologies, and helps to improve coding and decoding efficiency. An image decoding method includes: parsing a code stream to obtain a first syntax element, where the first syntax element includes an index of a target prediction mode of a to-be-decoded unit; determining the target prediction mode from an index table based on the index of the target prediction mode, where the index table includes correspondences between indexes of multiple prediction modes and the multiple prediction modes; reconstructing the to-be-decoded unit based on at least the target prediction mode to obtain a reconstructed block.

Classes IPC  ?

• H04N 19/44 - Décodeurs spécialement adaptés à cet effet, p. ex. décodeurs vidéo asymétriques par rapport à l’encodeur
• H04N 19/119 - Aspects de subdivision adaptative, p. ex. subdivision d’une image en blocs de codage rectangulaires ou non
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc

Produits et services

computer programs, downloadable; computer software applications, downloadable; computer programs, recorded; computer programs (software downloadable); chatbot software for simulating conversations; data processing apparatus; computer software platforms, recorded or downloadable; mobile phone software applications, downloadable; computer software, recorded; computer software for operation and control of audio and video equipment; datasets, recorded or downloadable; image, chart and word processing software; downloadable computer software for data collection, analysis and curation in the field of deep learning; facial recognition apparatus; network communication equipment; camcorders; monitoring apparatus, other than for medical purposes; detectors; infrared detectors; air analysis apparatus; optical apparatus and instruments; video screens; electronic numeric displays; sensor; alarms; theft prevention installations, electric; batteries, electric; computer servers; network servers; network video recorders; radar apparatus; security check devices. research in the field of artificial intelligence technology; design and development of multimedia products; development of computer platforms; computer system design; computer software design; design and development of application software for mobile phones; cloud computing; consultancy in the design and development of computer hardware; providing virtual computer systems through cloud computing; information technology [IT] consultancy; electronic data storage; maintenance of computer software; software as a service [SaaS]; updating of computer software; providing information relating to computer technology and programming via a website; providing search engines for the internet; technological consulting services for digital transformation; computer programming services for data processing; creating and designing website-based indexes of information for others [information technology services]; conversion of computer programs and data, other than physical conversion; installation of computer software; platform as a service [PaaS].

Produits et services

computer programs, downloadable; computer software applications, downloadable; computer programs, recorded; computer programs (software downloadable); chatbot software for simulating conversations; data processing apparatus; computer software platforms, recorded or downloadable; mobile phone software applications, downloadable; computer software, recorded; computer software for operation and control of audio and video equipment; datasets, recorded or downloadable; image, chart and word processing software; downloadable computer software for data collection, analysis and curation in the field of deep learning; facial recognition apparatus; network communication equipment; camcorders; monitoring apparatus, other than for medical purposes; detectors; infrared detectors; air analysis apparatus; optical apparatus and instruments; video screens; electronic numeric displays; sensor; alarms; theft prevention installations, electric; batteries, electric; computer servers; network servers; network video recorders; radar apparatus; security check devices. research in the field of artificial intelligence technology; design and development of multimedia products; development of computer platforms; computer system design; computer software design; design and development of application software for mobile phones; cloud computing; consultancy in the design and development of computer hardware; providing virtual computer systems through cloud computing; information technology [IT] consultancy; electronic data storage; maintenance of computer software; software as a service [SaaS]; updating of computer software; providing information relating to computer technology and programming via a website; providing search engines for the internet; technological consulting services for digital transformation; computer programming services for data processing; creating and designing website-based indexes of information for others [information technology services]; conversion of computer programs and data, other than physical conversion; installation of computer software; platform as a service [PaaS].

Abrégé

Embodiments of the present application provide a video transcoding method, a video display method, an apparatus and an electronic device, which relate to the field of video processing technology. The video transcoding method includes: acquiring a first image in an initial images obtained by stitching multi-channel video images; determining an initial resolution of each of initial sub-images; wherein each initial resolution is not greater than a maximum resolution of input data that can be supported by a preset encoder, and a target resolution of a target sub-image obtained after transcoding each initial sub-image is not greater than a maximum resolution of output data that can be supported by the preset encoder; segmenting a to-be-cut image into respective initial sub-images based on the respective initial resolutions; encoding each initial sub-image according to a target resolution of a target sub-image after transcoding this initial sub-image by using a preset encoder, to obtain each of target code-streams. Compared with the prior art, by applying the solution provided by the embodiments of the present application, it is possible to transcode the video screen obtained after stitching multi-channel video screens.

Classes IPC  ?

• H04N 19/40 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le transcodage vidéo, c.-à-d. le décodage partiel ou complet d’un flux d’entrée codé suivi par un ré-encodage du flux de sortie décodé
• H04N 19/119 - Aspects de subdivision adaptative, p. ex. subdivision d’une image en blocs de codage rectangulaires ou non
• H04N 19/136 - Caractéristiques ou propriétés du signal vidéo entrant
• H04N 19/172 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une image, une trame ou un champ

Abrégé

The present disclosure discloses picture decoding methods and apparatuses, and picture encoding methods and apparatuses, relating to the field of video coding and decoding technologies, and solving the problem of low prediction efficiency in a process of picture coding and decoding (or video coding and decoding). The picture decoding method includes: parsing a bit stream to obtain a syntax element, where the syntax element is configured to obtain a residual block of a to-be-decoded unit, and the to-be-decoded unit includes at least one prediction group; determining a prediction mode of any one prediction group in the at least one prediction group; obtaining a prediction value of the any one prediction group by performing prediction for the any one prediction group with the prediction mode; and decoding the to-be-decoded unit based on the residual block of the to-be-decoded unit and the prediction value of each one in the at least one prediction group.

Classes IPC  ?

• H04N 19/196 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par le procédé d’adaptation, l’outil d’adaptation ou le type d’adaptation utilisés pour le codage adaptatif étant spécialement adaptés au calcul de paramètres de codage, p. ex. en faisant la moyenne de paramètres de codage calculés antérieurement
• H04N 19/105 - Sélection de l’unité de référence pour la prédiction dans un mode de codage ou de prédiction choisi, p. ex. choix adaptatif de la position et du nombre de pixels utilisés pour la prédiction
• H04N 19/119 - Aspects de subdivision adaptative, p. ex. subdivision d’une image en blocs de codage rectangulaires ou non
• H04N 19/167 - Position dans une image vidéo, p. ex. région d'intérêt [ROI]
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p. ex. liés aux standards de compression

Abrégé

The present application discloses a camera. The camera comprises an inner shell and an outer shell which are coaxial; two ends of an annular space between the inner shell and the shell are respectively sealed with a first flange and a second flange, so that a first accommodating space is formed between the inner shell and the outer shell; a front cover assembly is inserted into a connecting portion of the outer shell, an insertion portion of the front cover assembly is recessed radially to form an accommodating recess, and the accommodating recess and the connecting portion form a second accommodating space; the first accommodating space is communicated with the second accommodating space by means of an air outlet through hole of the first flange and a through air hole of a mounting panel of the front cover assembly, and the second flange at the tail of the camera is provided with an air inlet through hole, so that a cooling gas can sequentially flow through the first accommodating space and the second accommodating space through the air inlet through hole, and purge a camera window on the mounting panel through an air outlet groove of a bottom plate of the second accommodating space. The structure is simple, and mounting and assembly are convenient; in addition, a negative pressure phenomenon of the camera window can be avoided, and the cooling and dust removal effects are good.

Classes IPC  ?

• H04N 23/51 - Boîtiers
• G03B 17/55 - Parties constitutives des appareils ou corps d'appareilsLeurs accessoires avec des dispositions pour chauffer ou réfrigérer, p. ex. avion

Abrégé

A model quantization method and apparatus, and a device and a storage medium, which belong to the technical field of model quantization. The method comprises: acquiring a performance deviation corresponding to each model layer in a model to be quantized; constructing a hierarchical quantization sequence according to the performance deviations corresponding to the respective model layers; and performing hierarchical quantization processing on the model layers in said model on the basis of the hierarchical quantization sequence. A hierarchical quantization sequence is constructed according to performance deviations corresponding to respective model layers in a model to be quantized, hierarchical quantization processing is respectively performed on the model layers in said model according to the sequence order of the hierarchical quantization sequence, and after quantization during the processing, parameter adjustment and correction are used to reduce a performance loss of the model to the greatest possible extent, which performance loss is generated by low-bit quantization.

Classes IPC  ?

• G06N 3/082 - Méthodes d'apprentissage modifiant l’architecture, p. ex. par ajout, suppression ou mise sous silence de nœuds ou de connexions
• G06N 3/0495 - Réseaux quantifiésRéseaux parcimonieuxRéseaux compressés

Abrégé

Provided in the present disclosure are a decoding method and apparatus, and a device. The method comprises: decoding a code stream corresponding to the current image block, so as to obtain a target feature corresponding to the current image block; determining a first input feature of a target decoding network on the basis of the target feature; acquiring a target feature value quantization bit width and a target feature value quantization hyper-parameter of the target decoding network, and converting the first input feature into a second input feature on the basis of the target feature value quantization bit width and the target feature value quantization hyper-parameter; processing the second input feature on the basis of an integer weight of the target decoding network, so as to obtain an output feature of the target decoding network, wherein the integer weight is determined on the basis of a target weight quantization bit width and a target weight quantization hyper-parameter; and on the basis of the output feature of the target decoding network, determining a reconstructed image block corresponding to the current image block. By means of the technical solution of the present disclosure, the decoding calculation amount can be reduced on the premise of ensuring the decoding quality.

Classes IPC  ?

• H04N 19/91 - Codage entropique, p. ex. codage à longueur variable ou codage arithmétique

Abrégé

The present application provides a video encoding/decoding method and apparatus. The method includes: obtaining, by a decoding end, a code stream of a unit to be decoded; determining a scanning manner and a grouping manner of the unit to be decoded, and an coding manner corresponding to each group; decoding according to the coding manner of each group to obtain one or more coefficient blocks corresponding to the unit to be decoded; and recovering one or more coefficients in each of the coefficient blocks in each group one by one according to the scanning manner of the unit to be decoded to obtain one or more reconstructed data blocks corresponding to the unit to be decoded.

Classes IPC  ?

• H04N 19/174 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une tranche, p. ex. une ligne de blocs ou un groupe de blocs
• H04N 19/103 - Sélection du mode de codage ou du mode de prédiction
• H04N 19/129 - Balayage d’unités de codage, p. ex. balayage en zigzag de coefficients de transformée ou ordonnancement flexible de macroblocs [OFM]
• H04N 19/136 - Caractéristiques ou propriétés du signal vidéo entrant
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc

Abrégé

Embodiments of the present application relate to the technical field of network topology display, and provide a display method and apparatus for a network topology structure, and an electronic device. The display method for a network topology structure comprises: determining an initial network topology structure, wherein each node in the initial network topology structure is used for representing one device in a network system; identifying whether there are nodes satisfying an aggregation condition among nodes at a same level of the initial network topological structure, wherein the nodes satisfying the aggregation condition comprise a plurality of nodes representing a same device type and having a same parent node; aggregating the nodes satisfying the aggregation condition to obtain aggregated nodes corresponding to the nodes satisfying the aggregation condition; and displaying the initial network topology structure that has undergone aggregation as a target network topology structure of the network system. Therefore, this solution can improve the convenience of viewing a network topology structure.

Classes IPC  ?

• H04L 41/12 - Découverte ou gestion des topologies de réseau

Abrégé

A decoding method and apparatus, and an encoding method and apparatus for a picture are provided, and relate to the field of video encoding and decoding. The decoding method includes: analyzing a code stream to obtain one or more picture frames, wherein a picture frame comprises one or more coding units (CUs); determining a plurality of quantization parameter (QP) values for the picture frame, wherein a CU comprises a plurality of quantization groups (QGs), and a QG corresponds to a QP value; and decoding the picture frame based on the plurality of QP values.

Classes IPC  ?

• H04N 19/124 - Quantification
• H04N 19/172 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une image, une trame ou un champ
• H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance

Abrégé

Traffic proxy-based Internet of Things terminal key information leakage monitoring methods and systems, electronic devices, storage media, and computer programs. An example method includes: receiving a proxy request sent by an Internet of Things terminal, the proxy request including protocol related information of the Internet of Things terminal, and the protocol related information including part or all of device model information, service type information, and data packet information; according to the protocol related information of the Internet of Things terminal, determining a target protocol corresponding to the Internet of Things terminal; and allocating a target proxy service to the Internet of Things terminal according to the target protocol, and a usage state and an online state of each proxy service in a full traffic proxy pool, and performing key information monitoring on the traffic of the Internet of Things terminal by the target proxy service.

Classes IPC  ?

• H04L 9/40 - Protocoles réseaux de sécurité
• H04L 67/56 - Approvisionnement des services mandataires
• H04L 69/18 - Gestionnaires multi-protocoles, p. ex. dispositifs uniques capables de gérer plusieurs protocoles

Abrégé

A palm image acquisition device, method and apparatus, and an electronic device. The acquisition device comprises a short-focus lens (1), a long-focus lens (2), a first transflective mirror (31), a first reflector (32), a second transflective mirror (41), a second reflector (42), a visible light photosensitive element (5) and a near-infrared light photosensitive element (6). When the short-focus lens (1) is activated, visible light sequentially passes through the short-focus lens (1) and the first transflective mirror (31) and is propagated to the visible light photosensitive element (5), and near-infrared light passes through the short-focus lens (1) and is sequentially reflected by the first transflective mirror (31) and the second reflector (42) and propagated to the near-infrared light photosensitive element (6); and when the long-focus lens (2) is activated, near-infrared light sequentially passes through the long-focus lens (2) and the second transflective mirror (41) and is propagated to the near-infrared light photosensitive element (6), and visible light passes through the long-focus lens (2) and is sequentially reflected by the second transflective mirror (41) and the first reflector (32) and propagated to the visible light photosensitive element (5).

Classes IPC  ?

• G06V 40/13 - Capteurs à cet effet

Abrégé

Provided in the present application are a palm image collection device, method and apparatus, and an electronic device. The collection device comprises: a visible light lens, a near-infrared lens, a first reflector, a semi-transparent and semi-reflective mirror, and a high-speed photosensitive element, wherein when the visible light lens is turned on, visible light irradiating a palm passes through the visible light lens, and is sequentially reflected by the first reflector and the semi-transparent and semi-reflective mirror and is then transmitted to the high-speed photosensitive element; and when the near-infrared lens is turned on, near-infrared light irradiating the palm sequentially passes through the near-infrared lens and the semi-transparent and semi-reflective mirror and is transmitted to the high-speed photosensitive element.

Classes IPC  ?

• G06V 40/13 - Capteurs à cet effet

Abrégé

A data privacy protection method based on multi-layer encryption is disclosed, which is related to the technical field of network technologies. The method includes: by an initial client, encrypting service data based on a public key set to obtain first to-be-processed data, and sending the first to-be-processed data to a next client; by an intermediate client, obtaining the first to-be-processed data sent by a previous client, encrypting service data based on a public key set to obtain second encrypted data, and sending second to-be-processed data and the second encrypted data to a next client; by a final client, obtaining the second to-be-processed data and the second encrypted data sent by a previous client, decrypting the second to-be-processed data and the second encrypted data based on its own private key, to obtain service data of each of other clients other than the final client itself, and sending the service data of all of the clients in a data privacy protection system to a preset service platform. The embodiments of the present application are applied to reduce the risk of user's privacy data leakage.

Classes IPC  ?

• H04L 9/40 - Protocoles réseaux de sécurité
• H04L 9/30 - Clé publique, c.-à-d. l'algorithme de chiffrement étant impossible à inverser par ordinateur et les clés de chiffrement des utilisateurs n'exigeant pas le secret

Abrégé

The present disclosure provides methods and apparatuses for implementing high-speed cryptographic operations based on software-hardware collaboration, and electronic devices. In the embodiments of the present disclosure, by analyzing software and hardware computing resources in real-time, the cryptographic device driver allocates the one or more target resources for cryptographic computation to the reference data packets. When the one or more target resources include the target cryptographic device, the cryptographic device executes, according to the characteristics of the target cryptographic algorithm used to perform cryptographic computation on the reference data packet, the acceleration operation corresponding to the target cryptographic algorithm for the cryptographic computation on the reference data packets, such as grouping the reference data packets, to improve a concurrent execution rate of an algorithm and cope with situations with a large amount of service concurrency and data processing.

Classes IPC  ?

• H04L 9/06 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité l'appareil de chiffrement utilisant des registres à décalage ou des mémoires pour le codage par blocs, p. ex. système DES

Abrégé

The present application provides an image processing method, apparatus and system and a device. The method comprises: acquiring a privacy protection image corresponding to an original sensitive image, wherein the privacy protection image is an image obtained by performing a scrambling operation on the original sensitive image by using scrambling parameters; and inputting the privacy protection image to a target network model to obtain an image processing result corresponding to the privacy protection image, wherein weights in the target network model are scrambled by using the scrambling parameters.

Classes IPC  ?

• G06F 21/62 - Protection de l’accès à des données via une plate-forme, p. ex. par clés ou règles de contrôle de l’accès
• G06V 40/50 - Traitement de données biométriques ou leur maintenance
• G06T 9/00 - Codage d'image
• G06N 3/0455 - Réseaux auto-encodeursRéseaux encodeurs-décodeurs
• G06N 3/08 - Méthodes d'apprentissage
• H04N 1/44 - Systèmes à secret

Abrégé

Provided are a connecting wire harness structure (100) and an electronic device (1000). The connecting wire harness structure (100) comprises one or more connecting circuit boards (10), at least two cables (20), and a stress relief structure (30); a first end (1011) and a second end (1012), which are opposite to each other, of each connecting circuit board (10) are respectively provided with at least one electrical connecting button (11, 12, 13, 14, 15, 16); the at least two cables (20) comprise at least one first cable (21) connected to at least one first electrical connecting button (11, 1101) located on the first end (1011) of the connecting circuit board (10), and at least one second cable (22) connected to at least one second electrical connecting button (12, 1201, 1202) located on the second end (1012) of the connecting circuit board (10); the stress relief structure (30) comprises a prefabricated protective housing (31) and a mounting portion (32), wherein the protective housing (31) is provided with an accommodating cavity (301) penetrating through the two opposite end of the protective housing (31), and the mounting portion (32) at least comprises a mounting main body located at the outer edge of the protective housing (31); the connecting circuit board (10) is arranged in the accommodating cavity (301), the at least one first cable (21) extends out of one end of the accommodating cavity (301), and the at least one second cable (22) extends out of the other end of the accommodating cavity (301).

Classes IPC  ?

• H01R 13/52 - Boîtiers protégés contre la poussière, les projections, les éclaboussures, l'eau ou les flammes
• H01R 13/502 - SoclesBoîtiers composés de différentes pièces
• H01R 13/73 - Moyens de montage des pièces de couplage sur les appareils ou structures, p. ex. sur un mur

Abrégé

An optical filtering micro-nano structure (20) and a filter array. The optical filtering micro-nano structure (20) comprises: a first micro-nano modulation layer (21) arranged on a transparent substrate (10) of a filter, wherein the material of the first micro-nano modulation layer (21) is one of a transparent material and an optical loss material; a second micro-nano modulation layer (22) arranged on the side of the first micro-nano modulation layer (21) facing away from the transparent substrate (10), wherein the material of the second micro-nano modulation layer (22) is the other of the transparent material and the optical loss material; and a transparent protective layer (23) covering the first micro-nano modulation layer (21) and the second micro-nano modulation layer (22) and connected to the transparent substrate (10), wherein the refractive index of the transparent material is higher than the refractive index of the material of the transparent substrate (10) and the transparent protective layer (23). A filter array having the present optical filtering micro-nano structure (20) can be used for broadband filtering of color imaging with small-size pixels, and increases the transmittance of incident light, thereby realizing a color imaging function in low illumination.

Classes IPC  ?

• G02B 5/20 - Filtres

Abrégé

A modulation structure (20) for infrared hyperspectral imaging, a detector, and an infrared spectrometer. The modulation structure (20) comprises: a detector window packaging layer (10); an infrared antireflection film (40), wherein the infrared antireflection film (40) is arranged on the surface of the side of the detector window packaging layer (10) facing a pixel array (30), and the refractive index of the material of the infrared antireflection film (40) is smaller than that of the material of the detector window packaging layer (10); and a plurality of microstructure modulation units (21), wherein the plurality of microstructure modulation units (21) are arranged, according to a preset arrangement rule, on the surface of the side of the infrared antireflection film (40) facing away from the detector window packaging layer (10), so that a partial area on the surface of the side of the infrared antireflection film (40) facing away from the detector window packaging layer (10) is vacant to form at least one vacancy modulation unit (22). By means of the infrared antireflection film (40) and the vacancy design, the luminous fluxes of the microstructure modulation units (21) are increased, so that a high signal-to-noise ratio can be achieved.

Classes IPC  ?

• G01J 3/02 - SpectrométrieSpectrophotométrieMonochromateursMesure de la couleur Parties constitutives
• G01J 3/28 - Étude du spectre

Abrégé

The present application relates to a waterproof sealing mechanism of a microphone, and an electronic device. The waterproof sealing mechanism comprises: a device housing (10) provided with sound transmission through holes (115); a module substrate (510), provided with sound pickup holes (515) corresponding to the positions of the sound transmission through holes, and microphones (500) covering the sound pickup holes on the surface of the module substrate facing away from the device housing, so as to form sound transmission channels between the microphones and the sound transmission through holes and running through the sound pickup holes; waterproof sound transmission membranes (550), transversely placed in the sound transmission channels; and a sealing film (520), sealed and stacked between the module substrate and the device housing together with the waterproof sound transmission membranes, the sealing film being provided with sound transmission holes (525), the sound transmission channels being sealed and surrounded by hole walls of the sound transmission holes between the sound pickup holes and the sound transmission through holes, and the sealing film also forming a sealing partition between the device housing and the module substrate.

Classes IPC  ?

• H04R 1/44 - Adaptation particulière pour usage sous l'eau, p. ex. pour hydrophone

Abrégé

The present application provides a decoding and encoding method, an apparatus, and a device thereof. The decoding method comprises: decoding a code stream corresponding to a current image block to obtain coefficient hyperparametric features; on the basis of the coefficient hyperparametric features, determining probability distribution parameters, and on the basis of the probability distribution parameters, decoding another stream of the current image block to obtain reconstructed features; inputting the reconstructed features into a synthetic transformation network to obtain reconstructed image blocks; wherein the synthetic transformation network comprises an attention module, and the attention module is a cascaded mixed attention module; the cascaded mixed attention module comprises a first attention submodule and a second attention submodule, and the first attention submodule and the second attention submodule are connected in series.

Classes IPC  ?

• H04N 19/44 - Décodeurs spécialement adaptés à cet effet, p. ex. décodeurs vidéo asymétriques par rapport à l’encodeur

Abrégé

The present application discloses a coding/decoding method and device, and a storage medium thereof, and belongs to the field of image processing technologies. The method includes: predicting, when a multi-reference line prediction mode is enabled for a current block, the current block based on a target reference line when the current block is predicted according to the multi-reference line prediction mode, wherein the target reference line is determined based on reference line indication information; wherein the reference line indication information is configured to indicate index information of the target reference line used in predicting the current block based on the multi-reference line prediction mode, and the target reference line is one line selected from candidate reference lines, which are three lines and three columns closest to a boundary of the current block, wherein the number of the candidate reference lines corresponding to the multi-reference line prediction mode is 3.

Classes IPC  ?

• H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance
• H04N 19/103 - Sélection du mode de codage ou du mode de prédiction
• H04N 19/147 - Débit ou quantité de données codées à la sortie du codeur selon des critères de débit-distorsion
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/18 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant un ensemble de coefficients de transformée
• H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p. ex. liés aux standards de compression

Abrégé

The present application relates to an audio playback apparatus, comprising: a main shell (10), the main shell (10) being provided with an inner cavity (110) and a shell wall surrounding the inner cavity (110), and the shell wall of the main shell (10) being provided with a mounting hole (120) in communication with the inner cavity (110); a loudspeaker assembly (20), the loudspeaker assembly (20) being hermetically mounted in the mounting hole (120); a circuit board assembly (40), the circuit board assembly (40) being located in the hermetically packaged inner cavity (110); and a sound-blocking inner cover (50), the sound-blocking inner cover (50) being located in the inner cavity (110), and the sound-blocking inner cover (50) isolating the circuit board assembly (40) from the loudspeaker assembly (20). The inner cavity (110) comprises a first sub-cavity and a second sub-cavity separated by the sound-blocking inner cover (50), the mounting hole (120) being in communication with the first sub-cavity, the circuit board assembly (40) being hermetically packaged in the second sub-cavity, and the surface of the sound-blocking inner cover (50) facing the first sub-cavity being provided with a sound absorption structure (500).

Classes IPC  ?

• H04R 9/06 - Haut-parleurs

Abrégé

Encoding and decoding methods and apparatuses, coder-side devices and decoder-side devices are provided, the method includes: obtaining a weighted prediction angle and weight configuration parameters of the current block; where the weight configuration parameters include a weight transform rate and a weight transform start position; configuring reference weight values for surrounding positions outside the current block according to the weight configuration parameters; determining a surrounding matching position to which the pixel position points from the surrounding positions outside the current block based on the weighted prediction angle; determining a target weight value of the pixel position based on the reference weight value associated with the surrounding matching position, determining an association weight value of the pixel position based on the target weight value of the pixel position; determining a first prediction value of the pixel position based on a first prediction mode, determining a second prediction value of the pixel position based on a second prediction mode; determining a weighted prediction value of the pixel position based on the first prediction value, the target weight value, the second prediction value and the association weight value.

Classes IPC  ?

• H04N 19/105 - Sélection de l’unité de référence pour la prédiction dans un mode de codage ou de prédiction choisi, p. ex. choix adaptatif de la position et du nombre de pixels utilisés pour la prédiction
• H04N 19/137 - Mouvement dans une unité de codage, p. ex. différence moyenne de champs, de trames ou de blocs
• H04N 19/159 - Type de prédiction, p. ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc

Abrégé

Decoding methods and encoding methods based on an adaptive intra refresh mechanism and related devices are provided. In one aspect, a decoding method includes: receiving a bit stream of a current frame; and determining whether the current frame supports an adaptive intra refresh technology. The determining comprises one of: if there is extension data in the bit stream of the current frame and the extension data carries an adaptive intra refresh video extension identifier (ID), obtaining virtual boundary position information carried in the extension data, and determining whether the current frame supports an adaptive intra refresh technology based on the virtual boundary position information; or if there is no adaptive intra refresh video extension ID in the extension data in the bit stream of the current frame, determining that the current frame does not support the adaptive intra refresh technology.

Classes IPC  ?

• H04N 19/159 - Type de prédiction, p. ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
• H04N 19/107 - Sélection du mode de codage ou du mode de prédiction entre codage prédictif spatial et temporel, p. ex. rafraîchissement d’image
• H04N 19/167 - Position dans une image vidéo, p. ex. région d'intérêt [ROI]

Abrégé

Provided is a decoding method, including: acquiring coded data of a current block; determining that a height and a width of the current block are both less than or equal to a preset threshold and the current block is a luma block; acquiring a transform pair index corresponding to the current block from the coded data, and determining the transform pair corresponding to the current block based on the transform pair index, wherein the transform pair comprises a horizontal transform kernel and a vertical transform kernel.

Classes IPC  ?

• H04N 19/12 - Sélection parmi plusieurs transformées ou standards, p. ex. sélection entre une transformée en cosinus discrète [TCD] et une transformée en sous-bandes ou sélection entre H.263 et H.264
• H04N 19/13 - Codage entropique adaptatif, p. ex. codage adaptatif à longueur variable [CALV] ou codage arithmétique binaire adaptatif en fonction du contexte [CABAC]
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/46 - Inclusion d’information supplémentaire dans le signal vidéo pendant le processus de compression
• H04N 19/625 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en cosinus discrète

Abrégé

Provided in the present application are a data processing method and apparatus based on a multi-modal model, and a device and a medium. The method comprises: on the basis of an original input question, determining an initial question feature matching a configured question template; on the basis of the initial question feature, acquiring a plurality of additional question features associated with the initial question feature; generating a plurality of target questions on the basis of the initial question feature and the plurality of additional question features, wherein each target question comprises the initial question feature and at least one additional question feature; for each target question, inputting the target question into a trained multi-modal target model, and the multi-modal target model outputting a candidate answer corresponding to the target question; and on the basis of the candidate answer corresponding to each target question, determining a target answer corresponding to the original input question. By means of the technical solution of the present application, computing resources of a server can be reduced, time overheads can also be reduced, and the target answer corresponding to the original input question can be quickly positioned.

Classes IPC  ?

• G06F 16/9535 - Adaptation de la recherche basée sur les profils des utilisateurs et la personnalisation

Abrégé

Methods, apparatuses, devices and storage media for decoding and encoding are provided. In one aspect, a decoding method includes: obtaining a value of an Enhanced Temporal Motion Vector Prediction (ETMVP) mode flag and an ETMVP mode index value for a current coding unit (CU); when the value of the ETMVP mode flag is a first value, determining coordinate information of an initial matching CU of the current CU according to coordinate information of the current CU; constructing an enhanced temporal candidate list based on the coordinate information of the initial matching CU; determining coordinate information of a target matching CU according to the ETMVP mode index value; and determining motion information of a subblock at a corresponding position in the current CU according to the motion information of the target matching CU.

Classes IPC  ?

• H04N 19/52 - Traitement de vecteurs de mouvement par encodage par encodage prédictif
• H04N 19/109 - Sélection du mode de codage ou du mode de prédiction parmi plusieurs modes de codage prédictif temporel
• H04N 19/13 - Codage entropique adaptatif, p. ex. codage adaptatif à longueur variable [CALV] ou codage arithmétique binaire adaptatif en fonction du contexte [CABAC]
• H04N 19/139 - Analyse des vecteurs de mouvement, p. ex. leur amplitude, leur direction, leur variance ou leur précision
• H04N 19/147 - Débit ou quantité de données codées à la sortie du codeur selon des critères de débit-distorsion
• H04N 19/159 - Type de prédiction, p. ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
• H04N 19/172 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une image, une trame ou un champ
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p. ex. liés aux standards de compression

Abrégé

Provided in the present application are a decoding method and apparatus, a coding method and apparatus, and devices. The decoding method comprises: decoding a code stream corresponding to the current image block, so as to obtain a coefficient hyper-parameter feature corresponding to the current image block; determining a probability distribution parameter on the basis of the coefficient hyper-parameter feature; on the basis of the probability distribution parameter, decoding a code stream corresponding to the current image block, so as to obtain an initial reconstruction feature corresponding to the current image block; and on the basis of the initial reconstruction feature, determining a target reconstructed image block corresponding to the current image block. By means of the technical solution of the present application, the coding performance and the decoding performance can be improved.

Classes IPC  ?

• H04N 19/136 - Caractéristiques ou propriétés du signal vidéo entrant
• G06N 3/02 - Réseaux neuronaux

Abrégé

The present application provides a decoding method and apparatus, an encoding method and apparatus, a device, and a medium. The decoding method comprises: decoding a first code stream of a current image block to obtain a coefficient hyperparameter feature of each stage sub-block of the current image block; for each stage sub-block, determining a probability distribution parameter on the basis of the coefficient hyperparameter feature of the stage sub-block, and decoding a second code stream of the current image block on the basis of the probability distribution parameter to obtain a residual feature of the stage sub-block; determining a reconstruction feature of the stage sub-block on the basis of the residual feature of the stage sub-block and a mean value feature of the stage sub-block; and on the basis of the reconstruction feature of each stage sub-block, determining a reconstructed image block corresponding to the current image block. By means of the technical solution of the present application, the encoding performance and the decoding performance can be improved.

Classes IPC  ?

• H04N 19/103 - Sélection du mode de codage ou du mode de prédiction

Abrégé

The present application provides an application installation method and apparatus, an electronic device, and a machine readable storage medium. The method comprises: when an operation instruction for an installation package program of a first application is detected and the first application is not installed at present, determining whether a combination installation condition is met; when the combination installation condition is met, installing the first application in the installation path of a second application; and when the combination installation condition is not met, executing a first installation process of the first application. The method can improve the application installation efficiency, and reduce the storage space occupied by application installation.

Classes IPC  ?

• G06F 8/61 - Installation

Abrégé

The present invention belongs to the technical field of image processing. Disclosed are an image decoding method and apparatus, an image coding method and apparatus, and a device and a storage medium. The image decoding method of the present application comprises: extracting image residual data or extended residual data from an image code stream, and obtaining a plurality of extended residual groups on the basis of the extracted image residual data or extended residual data; respectively performing residual recovery on the plurality of extended residual groups, so as to obtain an image reconstruction feature corresponding to each extended residual group; performing spatial-domain resolution amplification processing on the image reconstruction feature corresponding to each extended residual group, so as to obtain reconstruction feature data; and performing image reconstruction according to the reconstruction feature data, so as to obtain a reconstructed image block. Since acquired extended residual data is residual data which has been subjected to spatial-domain resolution reduction processing, residual recovery processing performed in groups on the entire group can be implemented at a low resolution, thereby improving the overall residual recovery calculation efficiency, and reducing the time complexity.

Classes IPC  ?

• H04N 19/124 - Quantification

Abrégé

The present application relates to the technical field of image coding, and particularly, to an image reconstruction method and apparatus, a device, and a storage medium. The image reconstruction method comprises: acquiring a quantization parameter and a prediction mode corresponding to a current coding block; adjusting a prediction granularity corresponding to the prediction mode; predicting according to the adjusted prediction granularity to give a predicted sample block; and on the basis of the predicted sample block and the quantization parameter, acquiring a reconstructed sample block.

Classes IPC  ?

• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/124 - Quantification
• H04N 19/157 - Mode de codage attribué, c.-à-d. le mode de codage étant prédéfini ou présélectionné pour être utilisé ultérieurement afin de sélectionner un autre élément ou paramètre

Abrégé

Embodiments of the present application relate to the technical field of video processing, and provide a video storage method and apparatus, and a video playback method, apparatus, and system. The video playback method comprises: acquiring the target event information of a target event from a platform, the target event information comprising a target event identifier, a target linkage video recording mark, and a target device identifier; when the target linkage video recording mark indicates that the target event has a linkage video, sending the target event identifier and the target device identifier to the platform, so that the platform acquires, from a terminal device corresponding to the target device identifier, a video state, a start time, and an end time of a target video file associated with the target event identifier, and sends the acquired video state, start time and end time to a client; and when the acquired video state indicates that video recording is successful, playing back the target video file according to the acquired start time and end time. The use of the technical solution provided by the embodiments of the present application can save the storage space and accurately play back a video file.

Classes IPC  ?

• H04N 5/76 - Enregistrement du signal de télévision

Abrégé

Embodiments of the present application relate to the technical field of data association, and provide an information processing method, system and apparatus, an electronic device, and a storage medium. The information processing method is applied to an information processing device. The method comprises: in response to receipt of a door event of an access control device, searching for a specified acquisition device associated with the access control device; generating a unique identifier for the door event; generating target access control information containing the unique identifier and information representing the door event; controlling the specified acquisition device to carry out snapshot photography, and recording snapshot picture information containing the unique identifier and real-time processing information representing the snapshot photography; and performing information integration on the target access control information and the snapshot picture information by using the unique identifier to obtain integrated information corresponding to the door event. Hence, for security scenarios of intelligent doors, the present application provides data basis for intelligence of the security field.

Classes IPC  ?

• G07C 9/00 - Enregistrement de l’entrée ou de la sortie d'une entité isolée

Abrégé

The present disclosure provides a decoding method and apparatus, and a device thereof. The decoding method comprises: decoding a bit stream corresponding to a current image block to obtain a reconstructed image block, wherein the reconstructed image block comprises a first initial component and a second initial component, wherein the resolution of the first initial component is greater than or equal to the resolution of the second initial component; generating an adjusted component corresponding to the second initial component based on the first initial component and the second initial component; performing feature enhancement on the adjusted component to obtain a restored target component corresponding to the second initial component. By the technical solution of the present disclosure, decoding performance can be improved, and decoding complexity can be reduced.

Classes IPC  ?

• H04N 19/44 - Décodeurs spécialement adaptés à cet effet, p. ex. décodeurs vidéo asymétriques par rapport à l’encodeur
• G06N 3/04 - Architecture, p. ex. topologie d'interconnexion

Abrégé

The present disclosure relates to the technical field of image processing and discloses an image decoding and encoding method and apparatus, a device and a storage medium. In the present disclosure, feature channel distinguishing information and/or spatial point distinguishing information are obtained, and image code streams are decoded to obtain quantized residual values; an inverse quantization precision parameter value is set for each quantized residual value according to the feature channel distinguishing information and/or the spatial point distinguishing information; inverse quantization is performed on the quantization residual values according to the inverse quantization precision parameter values to obtain reconstructed residual values; synthetic transformation is performed on the reconstructed residual values to obtain a reconstructed image block. Since corresponding inverse quantization precision parameter values are constructed based on the feature channel distinguishing information and/or the spatial point distinguishing information for inverse quantization, during the encoding process, different quantization parameter values can also be set according to the different feature channels and spatial point image textures, such that more important features are subject to smaller quantization losses, which improves the performance of encoding and decoding.

Classes IPC  ?

• H04N 19/124 - Quantification
• G06N 3/02 - Réseaux neuronaux

Abrégé

The present application provides a camera, comprising a lens assembly (11), a mounting adapter structure (12) and a base assembly (13). The mounting adapter structure comprises an adapter body (14) and a snap-fitting structure (16) arranged on the adapter body. The lens assembly is mounted on the base assembly. The base assembly is detachably mounted on the mounting adapter structure. The base assembly comprises a base body (17) and a snap-fit structure (19) movably arranged on the base body. The snap-fitting structure is arranged on the side of the adapter body facing the base assembly. When the snap-fitting structure pushes against the snap-fit structure, the snap-fit structure is moved until the snap-fit structure is snap-fitted to the snap-fitting structure, so that the base assembly is assembled on the mounting adapter structure. When pressed, the snap-fit structure is separated from the snap-fitting structure, so that the base assembly is separated from the mounting adapter structure.

Classes IPC  ?

• H04N 23/50 - Détails de structure
• H04N 23/55 - Pièces optiques spécialement adaptées aux capteurs d'images électroniquesLeur montage
• F16M 11/16 - Détails concernant la fixation des pieds supportant les têtes, avec ou sans intervention d'organes de verrouillage à cet effet
• F16M 13/02 - Autres supports ou appuis pour positionner les appareils ou les objetsMoyens pour maintenir en position les appareils ou objets tenus à la main pour être portés par un autre objet ou lui être fixé, p. ex. à un arbre, une grille, un châssis de fenêtre, une bicyclette

Produits et services

(1) Security cameras, cameras for inspecting underground infrastructures, video cameras, web cameras; 360-degree camcorders, camcorders, digital camcorders; wireless security cameras, wireless video cameras; video recorders; audio monitors, computer monitors, touch screen monitors; software for accessing, browsing, retrieving images and searching downloadable audio and video files available from a platform of network video recorders; computer software recorder for search engine services; computer software for accessing, browsing, retrieving images, and searching downloaded audio and video files from a platform of network video recorder and the internet; computer software recorded for use in facial recognition and data analysis in genetic disorders; downloadable audio and video files containing images; remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; audio- and video-receivers; computing hardware consisting of tactile and touch screens, central processing units and cameras; camera sensors; computer application software for mobile phones and other wireless devices, namely, software for viewing, monitoring, and analyzing video streams and to receive alert notifications; downloadable computer software for operating smart home hubs for connecting, integrating and controlling networked consumer electronic devices, home devices and temperature controls via a wireless computer network (1) Image retrieval and searching downloadable audio and video files available from a platform of network video recorders; maintenance and installation of computer software for images retrieval; consulting services in the field of software as a service (saas); software systems integration engineering, software testing engineering services, computer software engineering services, software design engineering services; technological research in the field of computer hardware systems; advice on designing, selecting, and using computer hardware and systems; computer software advisory services, computer software and hardware project management services for data centers, computer software programming services, computer software system design, computer systems design services for others; software as a service (SAAS) provider for hosting software for use by others for use in the online publishing of websites, development of computer software, providing information in the field of computer software development; installation, maintenance and repair of computer networking software; installation, updating and maintenance of computer software; maintaining computer software applications of others; maintenance, repair and updating of computer software and computer software applications; research and development of new products for others; computer software consultancy

Produits et services

(1) Assembly brackets for computer hardware; Storage cards; Electronic interactive whiteboards; Interactive touchscreen terminals; Network servers; Computer software platforms, recorded or downloadable; Computer programs (downloadable software); Computer programs for virtual reality systems (downloadable software); Computer software used to establish, promote, and manage secure remote access and communication for remote computers, regional networks, virtual private networks, wide area networks, and global computer networks (recorded); Computer software providing virtualization technology (recorded); Computer software, recorded; Computer programs, recorded; Computer memory devices; Digital audio signal processors; Central Processing Units (CPU) for information, data, sounds and images processing; Downloadable mobile applications; Central Processing Units (CPU); Video displays; Microprocessors; Data processing apparatus; Automatic cash registers; Face recognition equipment; Devices for checking work attendance; Network communication equipment; Telephone terminal equipment; Conference telephones; Switchboards; Microphones; Wireless speakers; Audio- and video-receivers; Video signal receivers; Wearable video display monitors; Head-mounted video displays; Video recorders; Portable media players; Cameras; Security surveillance robots; Video processors; Video projectors; Enlarging apparatus [photography]; Remote control apparatus; LED screens; Liquid crystal displays (LCD); Electronic chips; Video screens; Touch screens; Transducers; Motion recognition sensors; Alarms; Eyeglasses; Recorded computer software, namely, for file browsing, editing, e-book writing, system setting, screen sharing, and meeting (1) Rental of message sending apparatus; Information transfer through video communication systems; Information transfer of sound, videos and messages; Teleconferencing services; Video conferencing services; Teleconferencing and video conferencing services; Audio teleconference services; Providing video conferencing services; Communications by computer terminals; Providing instant message transmission services; Transmission of digital files, data, images, sound, files, audio, video, audio-visual content and other data; Providing user access to global computer networks

Abrégé

Decoding methods and apparatuses, coding methods and apparatuses, devices and machine-readable storage media are provided. In an example of the decoding method, for a received bitstream, by parsing a motion information index value of a skip mode or a direct mode of a current coding unit, a candidate list of the skip mode or the direct mode may be constructed, and determining a prediction mode of the current coding unit, thus, motion compensation can be performed on the current coding unit according to motion information of the current coding unit acquired from the prediction mode of the current coding unit. The motion information index value of the skip mode or the direct mode of the current coding unit is obtained by parsing according to the number of motion vector angle prediction candidate motion information and the number of inter-prediction candidate historical motion vector prediction information.

Classes IPC  ?

• H04N 19/51 - Estimation ou compensation du mouvement
• H04N 19/103 - Sélection du mode de codage ou du mode de prédiction
• H04N 19/139 - Analyse des vecteurs de mouvement, p. ex. leur amplitude, leur direction, leur variance ou leur précision
• H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p. ex. liés aux standards de compression

Produits et services

Assembly brackets for computer hardware; Storage cards; Electronic interactive whiteboards; Interactive touchscreen terminals; Network servers; Computer software platforms, recorded or downloadable; Computer programs (downloadable software); Computer programs for virtual reality systems (downloadable software); Computer software used to establish, promote, and manage secure remote access and communication for remote computers, regional networks, virtual private networks, wide area networks, and global computer networks (recorded); Computer software providing virtualization technology (recorded); Computer software, recorded; Computer programs, recorded; Computer memory devices; Digital audio signal processors; Central Processing Units (CPU) for information, data, sounds and images processing; Downloadable mobile applications; Central Processing Units (CPU); Video displays; Microprocessors; Data processing apparatus; Automatic cash registers; Face recognition equipment; Devices for checking work attendance; Network communication equipment; Telephone terminal equipment; Conference telephones; Switchboards; Microphones; Wireless speakers; Audio- and video-receivers; Video signal receivers; Wearable video display monitors; Head-mounted video displays; Video recorders; Portable media players; Cameras; Security surveillance robots; Video processors; Video projectors; Enlarging apparatus [photography]; Remote control apparatus; LED screens; Liquid crystal displays (LCD); Electronic chips; Video screens; Touch screens; Transducers; Motion recognition sensors; Alarms; Eyeglasses; Recorded computer software, namely, for file browsing, editing, e-book writing, system setting, screen sharing, and meeting. Rental of message sending apparatus; Information transfer through video communication systems; Information transfer of sound, videos and messages; Teleconferencing services; Video conferencing services; Teleconferencing and video conferencing services; Audio teleconference services; Providing video conferencing services; Communications by computer terminals; Providing instant message transmission services; Transmission of digital files, data, images, sound, files, audio, video, audio-visual content and other data; Providing user access to global computer networks.

Abrégé

Provided in the present disclosure are a decoding method and apparatus, an encoding method and apparatus, and devices thereof. The decoding method comprises: decoding an auxiliary code stream corresponding to the current image block, so as to obtain bit width information corresponding to the current image block; acquiring a fixed-point weight corresponding to the bit width information, and acquiring a decoding network on the basis of the fixed-point weight; and decoding a main code stream corresponding to the current image block, so as to obtain a target feature of the current image block, and processing the target feature on the basis of the decoding network, so as to obtain a reconstructed image block corresponding to the current image block. By means of the technical solution of the present disclosure, the amount of decoding calculation can be reduced when the decoding quality is ensured.

Classes IPC  ?

• H04N 19/169 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif
• G06N 3/04 - Architecture, p. ex. topologie d'interconnexion

Abrégé

The present disclosure provides a decoding and encoding method and apparatus, and a device. The decoding method comprises: obtaining a first feature corresponding to a current image block by means of a first neural network, and obtaining a feature adjusting factor corresponding to the current image block, wherein the first neural network comprises at least one convolutional layer; determining a target feature on the basis of the first feature and the feature adjusting factor; and based on the target feature, obtaining a reconstructed image block corresponding to the current image block by means of a second neural network, wherein the second neural network comprises at least one convolutional layer. By means of the technical solution of the present disclosure, encoding and decoding performance can be improved.

Classes IPC  ?

• H04N 19/42 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par les détails de mise en œuvre ou le matériel spécialement adapté à la compression ou à la décompression vidéo, p. ex. la mise en œuvre de logiciels spécialisés

Abrégé

Disclosed in the present application are an image decoding method and apparatus, an image coding method and apparatus, devices and a storage medium. In the present invention, the image decoding method comprises: decoding an image code stream, and determining a feature reconstruction value corresponding to a current image feature obtained by means of decoding; performing feature enhancement on the feature reconstruction value to obtain an enhanced feature value; and performing synthesis transformation on the enhanced feature value to obtain a reconstructed image block.

Classes IPC  ?

• H04N 19/172 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une image, une trame ou un champ
• H04N 19/00 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques

Abrégé

Decoding, encoding, and encoding/decoding methods, apparatuses and devices are provided. A decoding method includes: if an inter prediction filter enable flag indicates that a current block is allowed to be coded in inter prediction filter mode, and the current block satisfies inter prediction filter conditions, parsing an inter prediction filter flag of the current block from bitstream data of the current block; if the inter prediction filter flag indicates that a filter type of the current block is the inter prediction filter, obtaining a target prediction value of the current block by performing an inter prediction filter process on the current block; if the inter prediction filter flag indicates that the filter type of the current block is enhanced inter prediction filter, obtaining a target prediction value of the current block by performing an enhanced inter prediction filter process on the current block.

Classes IPC  ?

• H04N 19/117 - Filtres, p. ex. pour le pré-traitement ou le post-traitement
• H04N 19/159 - Type de prédiction, p. ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance
• H04N 19/46 - Inclusion d’information supplémentaire dans le signal vidéo pendant le processus de compression
• H04N 19/80 - Détails des opérations de filtrage spécialement adaptées à la compression vidéo, p. ex. pour l'interpolation de pixels

Abrégé

Provided in the embodiments of the present application are a multimedia playing method, a browser, and an electronic device. The method comprises: acquiring an encapsulated video code stream to be played by means of a browser, wherein a hardware decoder and a WebAssembly (Wasm) module are integrated in the browser; calling the Wasm module to parse the encapsulated video code stream, so as to obtain coded video data in the encapsulated video code stream; calling an interface provided by the hardware decoder, and inputting the coded video data into the hardware decoder for hard decoding, so as to obtain original video data; rendering the original video data, so as to obtain a video picture; and displaying the video picture. The present application can not only improve compatibility but also reduce system resources occupied during video playing.

Classes IPC  ?

• H04N 21/4402 - Traitement de flux élémentaires vidéo, p. ex. raccordement d'un clip vidéo récupéré d'un stockage local avec un flux vidéo en entrée ou rendu de scènes selon des graphes de scène du flux vidéo codé impliquant des opérations de reformatage de signaux vidéo pour la redistribution domestique, le stockage ou l'affichage en temps réel

Abrégé

A data processing method and apparatus and an electronic device, relating to the technical field of intelligent transportation. The method comprises: receiving first-type data sent by a first-type camera and second-type data sent by a second-type camera, wherein the first-type data is data determined when the first-type camera identifies the number of a container entering the field of view, and the second-type data is data determined when the second-type camera identifies the license plate number of a vehicle entering the field of view of the second-type camera; determining data belonging to the same container; determining a container number identification result of a target container; determining the license plate number of a target vehicle loaded with the target container; and performing associated recording on the container number identification result of the target container and the license plate number of the target vehicle to obtain passage data of the target vehicle. By applying the scheme provided by embodiments of the present application, a data basis can be provided for intelligent processing for a transportation scene of a container.

Classes IPC  ?

• G06V 20/62 - Texte, p. ex. plaques d’immatriculation, textes superposés ou légendes des images de télévision
• G08G 1/017 - Détection du mouvement du trafic pour le comptage ou la commande par identification des véhicules
• G06V 10/774 - Génération d'ensembles de motifs de formationTraitement des caractéristiques d’images ou de vidéos dans les espaces de caractéristiquesDispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant l’intégration et la réduction de données, p. ex. analyse en composantes principales [PCA] ou analyse en composantes indépendantes [ ICA] ou cartes auto-organisatrices [SOM]Séparation aveugle de source méthodes de Bootstrap, p. ex. "bagging” ou “boosting”

Abrégé

Provided in the present application are a security protection control method and apparatus, and a device. The method comprises: determining a service port corresponding to a target network device, and enabling a security protection function for the service port, wherein the service port is a port on the target network device that is connected to a terminal device; acquiring address information of at least one terminal device connected to the service port; for each of the at least one terminal device, if a protection policy corresponding to the terminal device is a grant protection policy, adding to a grant list a correspondence between the service port and the address information of the terminal device; and sending the grant list to the target network device, such that the target network device performs, after determining that the service port has enabled the security protection function, security protection on the service port on the basis of the grant list.

Classes IPC  ?

• H04L 9/40 - Protocoles réseaux de sécurité

Abrégé

The present application belongs to the technical field of image coding, and discloses a quantization parameter adjustment method, apparatus and device, and a storage medium. The quantization parameter adjustment method comprises: determining visual complexity information and/or coding complexity information corresponding to the current coding block, wherein the current coding block is an image coding block currently undergoing coding processing; determining quantization parameters of the current coding block according to the visual complexity information and/or the coding complexity information; and adjusting the quantization parameters of the current coding block.

Classes IPC  ?

• H04N 19/124 - Quantification

Abrégé

The present application provides a video data coding method and apparatus, and a device. The method comprises: for a current adjustment period in a current long period, if the current long period is not the first long period of a coding process of video data, selecting a reference adjustment period from a previous long period of the current long period, wherein the position of the reference adjustment period in the previous long period is the same as the position of the current adjustment period in the current long period; on the basis of an actual bit rate corresponding to the reference adjustment period, determining a target bit rate corresponding to the current adjustment period, wherein the target bit rate represents an expected average bit rate in the current adjustment period; determining a target quantization parameter of the current adjustment period on the basis of the target bit rate; and in the current adjustment period, coding the video data on the basis of the target quantization parameter. According to the technical solution of the present application, a coding bit rate is controlled on the basis of the complexity of an actual scenario, and the bit rate control capability is improved.

Classes IPC  ?

• H04N 19/146 - Débit ou quantité de données codées à la sortie du codeur

Produits et services

Cameras; camcorders; network cameras; video recorders; computer monitor; recorded computer operating software; downloadable computer software for image retrieval; recorded computer software platforms for image retrieval; downloadable facial recognition software; facial recognition apparatus; downloadable image files containing images captured from real-time video; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; audio-receivers and video-receivers; machines for photograph enlargement; shutter releases; camera shutters; lens shutters; optical shutters; interactive touchscreen terminals; camera containing a linear image sensor; Wireless communication devices for voice, data or image transmission Images retrieval services for images captured from video recorder; Maintenance and installation of computer software for images retrieval; scanning of photographs for digitization; software as a service (SaaS) featuring software for viewing, managing, accessing, searching, and replaying videos and photos; software engineering services; technological research in the field of image search engines; design and writing of computer software; platform as a service (PaaS) featuring computer software platforms for viewing, managing, accessing, searching, and replaying videos and photos; computer software consultancy; software development in the framework of software publishing; maintenance of computer software; research and development of new advanced learning technologies and products for others; technical support services for computer software, namely, troubleshooting in the nature of diagnosing software problems

Abrégé

The present disclosure provides a decoding method and apparatus, a coding method and apparatus, and a device. The method comprises: on the basis of on a first code stream corresponding to a current block, acquiring a target probability distribution model corresponding to a first scaling factor; on the basis of the target probability distribution model corresponding to the first scaling factor, decoding a second code stream corresponding to the current block, to obtain a corrected residual feature corresponding to the current block; and, on the basis of the corrected residual feature, determining a reconstructed image block corresponding to the current block. The present disclosure improves the coding performance and the decoding performance.

Classes IPC  ?

• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc

Produits et services

Cameras; camcorders; network cameras; video recorders; monitor; recorded computer operating software; computer software for image retrieval; Computer software platforms (recorded) for image retrieval; facial recognition software; facial recognition apparatus; downloadable image files containing images captured from real-time video; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; audio-receivers and video-receivers; machines for photograph enlargement; shutter releases; camera shutters; lens shutters; optical shutters; interactive touchscreen terminals; camera containing a linear image sensor; Wireless communication devices for voice, data or image transmission. Images retrieval services for images captured from video recorder; Maintenance and installation of computer software for images retrieval; digitization of photographs [scanning]; software as a service [SaaS]; software engineering services; technological research; design and writing of computer software; platform as a service [PaaS]; computer software consultancy; software development in the framework of software publishing; maintenance of computer software; research and development of new technologies and products for others; technical support services for computer software.

Abrégé

Methods, apparatuses, devices and storage media for decoding and encoding are provided. In one aspect, a decoding method includes: obtaining a value of an Enhanced Temporal Motion Vector Prediction (ETMVP) mode flag and an ETMVP mode index value for a current coding unit (CU); when the value of the ETMVP mode flag is a first value, determining coordinate information of an initial matching CU of the current CU according to coordinate information of the current CU; constructing an enhanced temporal candidate list based on the coordinate information of the initial matching CU; determining coordinate information of a target matching CU according to the ETMVP mode index value; and determining motion information of a subblock at a corresponding position in the current CU according to the motion information of the target matching CU.

Classes IPC  ?

• H04N 11/02 - Systèmes de télévision en couleurs avec réduction de la largeur de bande
• H04N 19/109 - Sélection du mode de codage ou du mode de prédiction parmi plusieurs modes de codage prédictif temporel
• H04N 19/13 - Codage entropique adaptatif, p. ex. codage adaptatif à longueur variable [CALV] ou codage arithmétique binaire adaptatif en fonction du contexte [CABAC]
• H04N 19/139 - Analyse des vecteurs de mouvement, p. ex. leur amplitude, leur direction, leur variance ou leur précision
• H04N 19/147 - Débit ou quantité de données codées à la sortie du codeur selon des critères de débit-distorsion
• H04N 19/159 - Type de prédiction, p. ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
• H04N 19/172 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une image, une trame ou un champ
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/52 - Traitement de vecteurs de mouvement par encodage par encodage prédictif
• H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p. ex. liés aux standards de compression

Abrégé

Provided in the present application are an image encoding method and apparatus, an image decoding method and apparatus, and a storage medium. The image encoding method comprises: acquiring the state of a code stream buffer area; when the state of the code stream buffer area meets a preset condition, executing a first operation on an estimated number of bits of the current block to be encoded, or, executing a second operation on an estimated quantization parameter of said current block, wherein the first operation refers to reducing a penalty number of bits from the estimated number of bits, the estimated quantization parameter is obtained on the basis of the estimated number of bits, the second operation refers to adding a reference quantization parameter to the estimated quantization parameter, and the reference quantization parameter is obtained on the basis of the penalty number of bits; and encoding said current block on the basis of the estimated number of bits after the first operation is executed, or, on the basis of the estimated quantization parameter after the second operation is executed.

Classes IPC  ?

• H04N 19/146 - Débit ou quantité de données codées à la sortie du codeur
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/124 - Quantification
• H04N 19/184 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant des bits, p. ex. de flux vidéo compressé

Abrégé

The present application provides an image decoding method and apparatus, an image coding method and apparatus, and a device thereof. The image decoding method comprises: when permission protection is enabled, determining one or more target region classes corresponding to a target permission level (301); and performing decoding on a current coding unit according to the target region class (302). By means of the technical solution of the present application, permission protection (such as for a license plate, a localized region of the human body, a screen, text, etc.) for various types of information in an image can be carried out, and data security is improved.

Classes IPC  ?

• H04N 19/67 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant la tolérance aux erreurs mettant en œuvre une protection inégale contre les erreurs, c.-à-d. fournissant une protection selon l’importance des données

Abrégé

The present invention belongs to the technical field of image processing. Disclosed are a filtering method, a device, and a storage medium. The method of the present invention comprises: determining a filtering policy corresponding to the current filter unit, and a permission area where the current filter unit is located; according to the permission level of the permission area, determining the permission level of a sample in the current filter unit; according to the permission level of the sample, classifying the sample in the current filter unit; and according to the filtering policy and the classification result, executing a corresponding filtering operation on the current filter unit. According to a filtering policy, different filtering operations are executed on samples of different permission levels in each permission area, such that constrained filtering operations are performed on the permission area, thereby improving the subjective and objective quality of an image.

Classes IPC  ?

• H04N 19/80 - Détails des opérations de filtrage spécialement adaptées à la compression vidéo, p. ex. pour l'interpolation de pixels

Abrégé

The embodiments of the present application relate to the field of image coding and decoding. Provided are an image coding method and apparatus, and an image decoding method and apparatus, which ensure that users who have different permission levels at a decoding end obtain a consistent result of decoding for a low-permission-level region without increasing a transmission code stream. The method comprises: determining a prediction mode for an image block to be processed, and a permission level of the image block to be processed (S401); according to the prediction mode, determining a first reference image block of the image block to be processed (S402); and if the permission level of the first reference image block does not meet a reference condition, prohibiting determining a prediction block of the image block to be processed by using the first reference image block, or determining the prediction block of the image block to be processed by using a second reference image block, which is allowed to be exported (S403).

Classes IPC  ?

• H04N 19/00 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques

Abrégé

An image processing method and apparatus, and an electronic device and a storage medium, which relate to the field of image processing, and solve the problem of the image quality of different permission areas in an image being relatively poor after the image is decoded and filtered. The image processing method, which is executed by an electronic device, comprises: dividing an image to be processed into a plurality of image sub-areas, and acquiring the permission level of each image sub-area; and if the permission levels of at least two adjacent image sub-areas among the plurality of image sub-areas are different, performing filtering processing on a connection boundary between the at least two image sub-areas.

Classes IPC  ?

• H04N 19/86 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le pré-traitement ou le post-traitement spécialement adaptés pour la compression vidéo mettant en œuvre la diminution des artéfacts de codage, p. ex. d'artéfacts de blocs
• H04N 19/117 - Filtres, p. ex. pour le pré-traitement ou le post-traitement
• H04N 19/82 - Détails des opérations de filtrage spécialement adaptées à la compression vidéo, p. ex. pour l'interpolation de pixels mettant en œuvre le filtrage dans une boucle de prédiction

Abrégé

Disclosed in the present application are a coding method and apparatus, a decoding method and apparatus, and a device and a storage medium. The decoding method comprises: acquiring the permission levels of a user and the current processing unit; according to the permission levels of the user and the current processing unit, acquiring a code stream to be parsed of the current processing unit, wherein the code stream is obtained from the current frame code stream information, the current frame code stream information comprises a code stream with the lowest permission level, and at least one code stream, the permission level of which is greater than the lowest permission level; and when the permission level of the user is greater than or equal to the permission level of the current processing unit, the code stream to be parsed is equal to a code stream with the permission of the current processing unit, and a user with a non-lowest permission level can parse the code stream with the lowest permission level and the at least one code stream, the permission level of which is greater than the lowest permission level; and according to the permission level of the user, the permission level of the current processing unit and a corresponding code stream, acquiring an entropy decoder corresponding to the permission level, and parsing the code stream to be parsed, so as to obtain a corresponding reconstructed image block.

Classes IPC  ?

• H04N 19/169 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif
• H04N 19/91 - Codage entropique, p. ex. codage à longueur variable ou codage arithmétique
• H04N 21/234 - Traitement de flux vidéo élémentaires, p. ex. raccordement de flux vidéo ou transformation de graphes de scènes du flux vidéo codé

Abrégé

The present application relates to the technical field of radar antennas. Provided in the embodiments of the present application are a radome and an antenna. The radome comprises a radome body 101; and electromagnetic wave blocking members 102, the electromagnetic wave blocking members 102 being located in an inner cavity of the radome body 101, and partitioning the inner cavity of the radome body 101 into at least two sub-inner cavities. When the radome body 101 is installed on an antenna body, any feed source antenna contained in the antenna body is located within one of the at least two sub-inner cavities; the electromagnetic wave blocking members 102 block propagation of electromagnetic waves between any two sub-inner cavities; and the feed source antenna contained in the antenna body comprises a transmitting antenna and a receiving antenna. The present solution can reduce signal interference between feed source antennas without increasing the physical aperture of an antenna, thus improving antenna isolation.

Classes IPC  ?

• H01Q 1/42 - Enveloppes non intimement mécaniquement associées avec les éléments rayonnants, p. ex. radome

Abrégé

Filtering methods, apparatus, and devices are provided. In one aspect, a filtering method includes: determining whether enhanced adaptive leveling filtering is enabled for a current adaptive leveling filtering unit; if it is determined that the enhanced adaptive leveling filtering is enabled for the current adaptive leveling filtering unit, performing adaptive leveling filtering on the current adaptive leveling filtering unit by using a first filter; if it is determined that the enhanced adaptive leveling filtering is disabled for the current adaptive leveling filtering unit, performing adaptive leveling filtering on the current adaptive leveling filtering unit by using a second filter. The first filter includes a centrosymmetric filter with a 7*7 cross shape plus a 5*5 square shape, and the second filter includes a centrosymmetric filter with a 7*7 cross shape plus a 3*3 square shape.

Classes IPC  ?

• H04N 19/117 - Filtres, p. ex. pour le pré-traitement ou le post-traitement
• H04N 19/105 - Sélection de l’unité de référence pour la prédiction dans un mode de codage ou de prédiction choisi, p. ex. choix adaptatif de la position et du nombre de pixels utilisés pour la prédiction
• H04N 19/182 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant un pixel
• H04N 19/80 - Détails des opérations de filtrage spécialement adaptées à la compression vidéo, p. ex. pour l'interpolation de pixels

Abrégé

A data privacy protection method based on multi-layer encryption, related to the technical field of networks. The method comprises: an initial client encrypting service data on the basis of a public key set, obtaining first data to be processed; sending the first data to be processed to the next client; an intermediate client obtaining the first data to be processed sent by the previous client; encrypting service data on the basis of the public key set, and obtaining second encrypted data; sending second data to be processed and the second encrypted data to the next client; a final client obtaining the second data to be processed and the second encrypted data which are sent by the previous client; and based on its own private key, decrypting the second data to be processed and the second encrypted data, obtaining the service data of all clients except itself; and sending to a preset service platform the service data of all of the clients in a data privacy protection system. Applying the embodiments of the present application reduces the risk of user privacy data leakage.

Classes IPC  ?

• H04L 9/40 - Protocoles réseaux de sécurité

Abrégé

A traffic state determination method and apparatus, and a device. The traffic state determination method comprises: on the basis of vehicle passage data corresponding to a first position point and vehicle passage data corresponding to a second position point, determining a first average passage time corresponding to a target road section in the current statistical period (S101), wherein the target road section is a road section from the first position point to the second position point; and on the basis of K threshold intervals corresponding to the target road section, determining a target threshold interval within which the first average passage time is, and on the basis of a traffic state corresponding to the target threshold interval, determining a target traffic state corresponding to the target road section in the current statistical period (S102), wherein the K threshold intervals have one-to-one correspondence to K configured traffic states, and K is a positive integer greater than 1. By means of the traffic state determination method, the traffic state of the target road section can be accurately learned about.

Classes IPC  ?

• G08G 1/01 - Détection du mouvement du trafic pour le comptage ou la commande

Abrégé

Embodiments of the present application relate to the technical field of communications, and provide a device communication method and apparatus, and an electronic device. The method is applied to a client in a device communication system, and the device communication system further comprises a communication platform and at least one communication device. The method comprises: the client displaying a platform page of the communication platform, and when detecting a click operation on a target device, sending a page request about the target device to the communication platform, so that the communication platform feeds back to the client a page file sent by the target device; receiving the page file and executing the page file to obtain a device page of the target device; calling an authentication function of the platform page by means of the device page; sending, to the communication platform by means of the device page, a parameter request about the target device and carrying first authentication data; and receiving device parameters and jumping to a device page displaying the device parameters. Compared with the related art, the solution provided by the embodiments of the present application can implement communication between a client and a device without a fixed IP.

Classes IPC  ?

• H04L 67/54 - Gestion de la présence, p. ex. surveillance ou enregistrement pour la réception des informations de connexion des utilisateurs ou état de connexion des utilisateurs
• H04L 9/40 - Protocoles réseaux de sécurité
• H04L 41/22 - Dispositions pour la maintenance, l’administration ou la gestion des réseaux de commutation de données, p. ex. des réseaux de commutation de paquets comprenant des interfaces utilisateur graphiques spécialement adaptées [GUI]

Abrégé

Provided in the present disclosure are a task processing method and apparatus based on model quantization, and a device and a storage medium. The task processing method comprises: according to a first difference between a first quantization output of an optimization unit in a transformer model and a first floating-point output of same, updating a weight quantization coefficient of the optimization unit and an activation quantization coefficient of same; according to a second difference between a second quantization output of the optimization unit and a second floating-point output of same, updating a weight quantization increment of the optimization unit; determining a weight quantization rounding direction for the optimization unit according to a target weight quantization increment, and performing quantization on a weight parameter of the optimization unit according to a target weight quantization coefficient and the weight quantization rounding direction; and performing forward reasoning calculation on input data of the optimization unit according to a target quantized weight parameter corresponding to the optimization unit, and performing quantization on inputs and outputs of the optimization unit according to a target activation quantization coefficient of the optimization unit. The method can improve the accuracy of task processing.

Classes IPC  ?

• G06N 3/048 - Fonctions d’activation

Abrégé

The present application provides an information synchronization method and apparatus in a distributed remote classroom system and the system. The method comprises: a master whiteboard device sends address information thereof to a slave video device; a slave whiteboard device obtains the address information of the master whiteboard device from the slave video device; after receiving the address information of the master whiteboard device, the slave whiteboard device establishes a communication connection with the master whiteboard device on the basis of the address information of the master whiteboard device; and the master whiteboard device sends picture content of the master whiteboard device to the slave whiteboard device on the basis of the communication connection, so that the slave whiteboard device displays the picture content of the master whiteboard device.

Classes IPC  ?

• H04L 65/401 - Prise en charge des services ou des applications dans laquelle les services impliquent une session principale en temps réel et une ou plusieurs sessions parallèles additionnelles en temps réel ou sensibles au temps, p. ex. accès partagé à un tableau blanc ou mise en place d’une sous-conférence
• H04L 65/1069 - Établissement ou terminaison d'une session
• G09B 5/08 - Matériel à but éducatif à commande électrique avec présentation individuelle d'une information à une pluralité de postes d'élèves

Abrégé

Provided in the present application are an image coding method and apparatus, an image decoding method and apparatus, and a storage medium. The coding method comprises: acquiring a coding unit, wherein the coding unit is an image block in an image to be processed, and comprises coding blocks of a plurality of channels, the plurality of channels comprise a first channel, and the first channel is any one of the plurality of channels; and coding the coding block of the first channel according to a first coding mode. The method is suitable for image coding and decoding processes, and is used for solving the problem of substream buffers being set to be excessively large.

Classes IPC  ?

• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc

Abrégé

Provided in the present application are an integrated antenna and an electronic device. The integrated antenna (20) comprises a dielectric substrate (21) and an antenna radiator (22). The dielectric substrate (21) comprises a floor layer (211) and a clearance area (212), wherein the floor layer (211) is provided with a gap (213) in communication with the clearance area (212). The antenna radiator (22) is arranged in the clearance area (212), the antenna radiator (22) comprises a feed point (221), and the antenna radiator (22) and the gap (213) are located on the same side of the feed point (221). Further provided in the present application is an electronic device (10), which comprises the integrated antenna (20).

Classes IPC  ?

• H01Q 1/48 - Moyens de mise à la terreÉcrans de terreContrepoids
• H01Q 1/36 - Forme structurale pour éléments rayonnants, p. ex. cône, spirale, parapluie
• H01Q 1/50 - Association structurale d'antennes avec commutateurs de terre, dispositions de descente d'antennes ou parafoudres
• H01Q 1/22 - SupportsMoyens de montage par association structurale avec d'autres équipements ou objets

Abrégé

The present disclosure provides an encoding and decoding method, apparatus, and devices. The encoding and decoding method includes the following steps: determining to use a decoder-side motion vector refinement mode for a current block if the conditions are all satisfied; and if it is determined to use the decoder-side motion vector refinement mode for the current block, performing motion compensation on the current block.

Classes IPC  ?

• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/105 - Sélection de l’unité de référence pour la prédiction dans un mode de codage ou de prédiction choisi, p. ex. choix adaptatif de la position et du nombre de pixels utilisés pour la prédiction
• H04N 19/159 - Type de prédiction, p. ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
• H04N 19/513 - Traitement de vecteurs de mouvement

Abrégé

The present disclosure provides encoding and decoding methods, apparatus and devices thereof. The method includes: if the conditions are all satisfied, determining to use a bidirectional prediction compensation mode for a current block; if determining to use the bidirectional prediction compensation mode for the current block, performing motion compensation for the current block.

Classes IPC  ?

• H04N 19/105 - Sélection de l’unité de référence pour la prédiction dans un mode de codage ou de prédiction choisi, p. ex. choix adaptatif de la position et du nombre de pixels utilisés pour la prédiction
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance
• H04N 19/513 - Traitement de vecteurs de mouvement
• H04N 19/577 - Compensation de mouvement avec interpolation de trame bidirectionnelle, p. ex. utilisation d’images B

Abrégé

Decoding methods and encoding methods based on an adaptive intra refresh mechanism and related devices are provided. In one aspect, a decoding method includes: receiving a bit stream of a current frame; and determining whether the current frame supports an adaptive intra refresh technology. The determining comprises one of: if there is extension data in the bit stream of the current frame and the extension data carries an adaptive intra refresh video extension identifier (ID), obtaining virtual boundary position information carried in the extension data, and determining whether the current frame supports an adaptive intra refresh technology based on the virtual boundary position information; or if there is no adaptive intra refresh video extension ID in the extension data in the bit stream of the current frame, determining that the current frame does not support the adaptive intra refresh technology.

Classes IPC  ?

• H04N 19/159 - Type de prédiction, p. ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
• H04N 19/107 - Sélection du mode de codage ou du mode de prédiction entre codage prédictif spatial et temporel, p. ex. rafraîchissement d’image
• H04N 19/167 - Position dans une image vidéo, p. ex. région d'intérêt [ROI]

Abrégé

Method, apparatus, and devices for encoding and decoding are provided. In one aspect, a method includes: if a current pixel point in a current block satisfies an enable condition of an enhanced refinement mode, determining a gradient value of the current pixel point based on an original pixel value of the current pixel point and an original pixel value of a surrounding pixel point of the current pixel point; based on the gradient value of the current pixel point and the original pixel value of the current pixel point, determining a refined pixel value of the current pixel point.

Classes IPC  ?

• H04N 19/86 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le pré-traitement ou le post-traitement spécialement adaptés pour la compression vidéo mettant en œuvre la diminution des artéfacts de codage, p. ex. d'artéfacts de blocs
• H04N 19/117 - Filtres, p. ex. pour le pré-traitement ou le post-traitement
• H04N 19/157 - Mode de codage attribué, c.-à-d. le mode de codage étant prédéfini ou présélectionné pour être utilisé ultérieurement afin de sélectionner un autre élément ou paramètre
• H04N 19/182 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant un pixel
• H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance
• H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p. ex. liés aux standards de compression

Abrégé

Provided in the present application are a host device and a slave device of a building intercom system, and a building intercom system. The host device comprises a host circuit, the host circuit comprising a host power supply end, a host signal processing circuit and a host interface circuit. The host interface circuit is electrically connected to the host communication end, the host power receiving end and the host power supply end. The host interface circuit comprises a host communication interface circuit, a host power interface circuit and a host interface. The host communication interface circuit is electrically connected to the host communication end, the host power interface circuit is electrically connected to the host power receiving end and the host power supply end, the host communication interface circuit and the host power interface circuit are both electrically connected to a first host terminal and a second host terminal of the host interface, and the first host terminal and the second host terminal are used for electrically connecting to the slave device of the building intercom system by means of transmission lines.

Classes IPC  ?

• H04N 7/14 - Systèmes à deux voies

Abrégé

The present application relates to the field of video encoding and decoding, and provides an image encoding method and device, and an image decoding method and device, which can be used for avoiding code stream overflow. The specific decoding method comprises: parsing a code stream of a block to be decoded, and if the code stream of said block comprises a first code word, determining whether a fallback mode is used for an image block corresponding to the block to be decoded; if a fallback mode is used for the image block corresponding to the block to be decoded and the length of code streams stored in a code stream buffer exceeds a set upper overflow limit, according to an excess code stream length of the code stream buffer, determining a fixed code stream length of each component of the block to be decoded, wherein the block to be decoded comprises one or more components; for a first component of the block to be decoded, a fixed code stream length of the first component is used for indicating the code stream length required for parsing single pixels of the first component, and the excess code stream length of the code stream buffer is the code stream length by which the length of the code streams stored in the code stream buffer exceeds the set upper overflow limit; and parsing the pixels of each component on the basis of the fixed code stream length of each component so as to decode the block to be decoded.

Classes IPC  ?

• H04N 19/152 - Débit ou quantité de données codées à la sortie du codeur par mesure de l’état de remplissage de la mémoire tampon de transmission
• H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance
• H04N 19/85 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le pré-traitement ou le post-traitement spécialement adaptés pour la compression vidéo

Abrégé

The present application relates to the technical field of video decoding. Provided in the embodiments of the present application are a video image decoding method and coding method, an apparatus, and a storage medium, which help to improving the image quality. The method comprises: acquiring channel-level complexity levels from a data stream, the data stream being a coding data stream of a current block; according to at least two channel-level complexity levels, determining the block-level complexity level of the current block, the channel-level complexity levels being used for representing the complexity degree of the channel-level texture of the current block; according to a code control parameter, determining a target bit number of the current block, the code control parameter comprising the block-level complexity level of the current block; on the basis of the target bit number, determining a quantization parameter of the current block; and on the basis of the quantization parameter, decoding the current block.

Classes IPC  ?

• H04N 19/124 - Quantification
• H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
• H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance

Abrégé

The present invention provides an encoding and decoding method, apparatus and device. The method comprises: when a reference pixel of a current block is not available, removing a target prediction mode from an initial prediction mode list corresponding to the current block, so as to obtain a target prediction mode list; and encoding and decoding the current block on the basis of the target prediction mode list. The present invention can improve the encoding performance and the decoding performance.

Classes IPC  ?

• H04N 19/103 - Sélection du mode de codage ou du mode de prédiction
• H04N 19/61 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée combiné avec un codage prédictif

Abrégé

Disclosed in the present application are an image decoding method and apparatus, and an image coding method and apparatus. The image decoding method comprises: determining a predicted residual of a first pixel point according to a prediction mode of the first pixel point, wherein the predicted residual is used for reflecting the gradient of the first pixel point, the prediction mode is used for indicating the position of a reconstructed pixel point referenced when pixel points are predicted, and the first pixel point is any pixel point in the current coding block; determining a target quantization parameter (QP) value of the first pixel point according to the predicted residual of the first pixel point; and performing dequantization on the first pixel point according to the target QP value of the first pixel point.

Classes IPC  ?

• H04N 19/124 - Quantification

Abrégé

Disclosed in the present application are a scene adaptability improvement method and apparatus for object detection, and an object detection system. The method comprises: obtaining a detection result of current object data; performing object feature extraction on the current object data; determining a degree of matching between each object feature and each feature in a feature library; comparing each degree of matching with a detection threshold bound with a matched feature, in the feature library, used for determining the degree of matching; and determining processing of the detection result according to the comparison result, wherein the feature library is a feature set of object data calibrated according to the detection result which indicates a false alarm or a missing alarm; and the detection threshold bound with each matched feature is adjusted along with a degree of matching between the matched feature and the object feature of the object data within a preset range. The present application facilitates the reduction of missing alarms and false alarms, and has high scene adaptability.

Classes IPC  ?

• G06V 20/52 - Activités de surveillance ou de suivi, p. ex. pour la reconnaissance d’objets suspects

Abrégé

Provided in the present disclosure are an image decoding method and apparatus based on a neural network, an image encoding method and apparatus based on a neural network, and a device thereof. The image decoding method comprises: decoding, from a code stream, a control parameter and image information, which correspond to the current block; acquiring, from the control parameter, neural network information corresponding to a decoding processing unit, and on the basis of the neural network information, generating a decoding neural network corresponding to the decoding processing unit; and on the basis of the image information, determining an input feature corresponding to the decoding processing unit, and processing the input feature on the basis of the decoding neural network, so as to obtain an output feature corresponding to the decoding processing unit. By means of the present disclosure, the encoding performance and the decoding performance can be improved.

Classes IPC  ?

• H04N 21/2343 - Traitement de flux vidéo élémentaires, p. ex. raccordement de flux vidéo ou transformation de graphes de scènes du flux vidéo codé impliquant des opérations de reformatage de signaux vidéo pour la distribution ou la mise en conformité avec les requêtes des utilisateurs finaux ou les exigences des dispositifs des utilisateurs finaux