A radiation source mechanism is provided, including: a body and a first support assembly installed at a lower end of the body to support the lower end of the body to smoothly rotate around the first axis relative to a first working surface below the first support assembly . A part of the first support assembly has a disengagement state of being disengaged from the first working surface, and a contact state of being in contact with the first working surface in a process of the body disengaging from a closed position. A computer tomography device is further provided, including a machine frame, a detector mechanism and a radiation source mechanism, the radiation source mechanism is movable between a closed position of shielding the detector mechanism and an open position of exposing the detector mechanism.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
A CT scanning system is provided, including: a conveying device; a distributed ray source including m target points configured to be activated in a predetermined order to emit ray beams, the ray beams emitted by at least one of the m target points is modulated into a first ray beam having a first energy, and the ray beams emitted by at least another of the m target points is modulated into a second ray beam having a second energy, where the first energy is lower than the second energy; a detector array configured to generate first projection data in response to the first ray beam passing through the scanned object, and generate second projection data in response to the second ray beam passing through a scanned object; and an image reconstruction device configured to generate a computed tomography image according to the first and second projection data.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
A61B 6/04 - Positioning of patientsTiltable beds or the like
G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
3.
DATA ACQUISITION METHOD AND SYSTEM FOR STATIC COMPUTED TOMOGRAPHY, AND CT DEVICE
The present disclosure provides a data acquisition method and system for static computed tomography, and a CT device. The data acquisition method includes: sending a scan control system instruction to a master controller; parsing the scan control system instruction to generate an internal control instruction; sending the internal control instruction to a plurality of acquisition controllers; and controlling a plurality of detectors to perform data acquisition according to the internal control instruction.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
A CT scanning system is provided, including: a conveying device, configured to move a scanned object in a scanning channel; a distributed ray source including m target points, where the m target points are configured to be activated in a predetermined order to emit ray beams; a detector array configured to detect a ray emitted from the distributed ray source and passing through the scanned object, and to generate projection data according to the detected ray; and an image reconstruction device configured to generate a computed tomography image according to the projection data. The distributed ray source is configured to rotate around a first axis. In the distributed ray source, at least two of the m target points are offset in a tangent direction, and the tangent direction is a direction extending along a tangent line tangent to a rotation direction of the distributed ray source.
A heat dissipating device for a Marx generator is provided, including: N sequentially arranged cooling plates each fixed with a switch component of the Marx generator, the switch components on the N cooling plates are sequentially connected in series. Each cooling plate has a water inlet and a water outlet, the cooling water flows in from the water inlet of a first cooling plate and out from the water outlet thereof, after sequentially flowing through m cooling plates except a second cooling plate, the cooling water flows into the water inlet of a Nth cooling plate and out from the water outlet thereof. After sequentially flowing through k cooling plates, the cooling water flows out from the water outlet of the second cooling plate, where m+k=N−3, 0≤m≤N−3, and 0≤k≤N−3, and the m cooling plates are different from the k cooling plates.
The present disclosure provides a conveying device, a fan blade scanning system and a fan blade scanning method. The conveying device includes a driving conveyor and a driven conveyor, and the driving conveyor includes a main driving member and a main body member, and the main body member includes a carrier member and a micro-motion member, and the carrier member is connected with the main driving member and the main driving member drives the carrier member to move at a first set speed; the micro-motion member is movably arranged on the carrier member, a first end of the fan blade is configured to be fixedly mounted on the micro-motion member, and a second end of the fan blade is configured to be fixedly mounted on the driven conveyor.
B65G 35/06 - Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path
B65G 43/08 - Control devices operated by article or material being fed, conveyed, or discharged
A detector for detecting radiation and an imaging device are provided. The detector includes rows of detector crystal layers for sequentially detecting a same radiation signal and combining portions of the radiation signal detected by each row of detector crystal layers to analyze a characteristic of the radiation signal. The rows of detector crystal layers include at least a first row and a second row of detector crystal layers, and the at least first row and second row of detector crystal layers include a first crystal layer and a second crystal layer, and layer thicknesses of the first row of detector crystal layers and the second row of detector crystal layers are set such that a total layer thickness of one of the first crystal layer and the second crystal layer detecting radiation in a wave band of interest is greater than a total layer thickness of the other layer.
The present disclosure relates to a vehicle inspection method, system and a storage medium. The vehicle inspection method for performing radiation inspection on a vehicle passing through an inspection passage by a radiation scanning device includes: recognizing an external optical image of the vehicle that has entered the inspection passage to determine a type of the vehicle and a size of a radiation dose limited area of the vehicle; selecting a scanning strategy of the radiation scanning device for the vehicle according to the type of the vehicle, and switching a working mode of the radiation scanning device according to the size of the radiation dose limited area of the vehicle and a traveling position of the vehicle.
Provided are an inspection device and an inspection method thereof, an inspection system. The inspection device includes: a transmission imaging apparatus for constructing a transmission image of an inspected object; and a diffraction detection apparatus for detecting characteristics of at least part of the inspected object. The transmission imaging apparatus defines an inspection channel. The inspection device includes a linear track spanning the inspection channel along a lateral direction. The diffraction detection apparatus is movable along the linear track to a specific position to detect radiations diffracted by at least part of the inspected object.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
A CT machine is provided, including: a first frame; a plurality of supporting devices on the first frame; a rotatable portion capable of rotating around a rotation axis when driven by a driving wheel, and the rotatable portion being jointly supported by the plurality of supporting devices during rotation; a scanning device comprising a ray source and a detector, the ray source and the detector being both arranged on the rotatable portion; and an axial limiting mechanism for limiting movements of the rotatable portion along a first direction and a second direction, the first direction and the second direction being both parallel to the rotation axis, and the first direction being opposite to the second direction. The plurality of supporting devices are further configured to limit a movement of the rotatable portion along a first radial direction, the CT machine further comprises a radial limiting mechanism on the first frame, the radial limiting mechanism is configured to limit a movement of the rotatable portion along a second radial direction, the first radial direction and the second radial direction are both parallel to the radial direction of the rotatable portion and opposite to each other.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
11.
METHOD AND APPARATUS FOR PROCESSING CT IMAGE AND METHOD AND APPARATUS FOR INSPECTING INTERNATIONAL EXPRESS DELIVERY
Provided are a method and an apparatus for processing a CT image and a method and an apparatus for inspecting the international express delivery. The method for processing the CT image includes a pre-processing step where uniform sampling and coordinate normalization are performed on three-dimensional data of the CT image to acquire pre-processed data, an object instance acquisition step where object instance data acquired after instance segmentation combined with semantic information is acquired for the pre-processed data, and a structured feature acquisition step where structured features of the object instance data are acquired using a feature extractor trained based on a neural network.
G01V 5/226 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
G06V 10/74 - Image or video pattern matchingProximity measures in feature spaces
G06V 10/77 - Processing image or video features in feature spacesArrangements for image or video recognition or understanding using pattern recognition or machine learning using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]Blind source separation
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
G06V 20/70 - Labelling scene content, e.g. deriving syntactic or semantic representations
A linear scanning CT imaging system, including: a conveying device used to move a scanned object in a predetermined conveying direction in a scanning channel; ray sources used to alternately emit ray beams to form a scanning region; detectors, including a first detector used to detect first projection data formed by the ray beams transmitted through the scanned object during a process of the scanned object passing through the scanning region, and a second detector used to detect second projection data formed by ray beams transmitted through the scanned object during the process of the scanned object passing through the scanning region; and an imaging device used to: generate a digital radiographic image of the scanned object according to second projection data, and obtain a computed tomography image of the scanned object according to first projection data and second projection data. A linear scanning CT imaging method is further provided.
G01V 5/226 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
13.
CALIBRATION DEVICE FOR ULTRA-HIGH DOSE RATE RADIATION APPARATUS, CALIBRATION METHOD, AND ULTRA-HIGH DOSE RATE RADIATION APPARATUS
The present disclosure provides a calibration device for an ultra-high dose rate radiation apparatus. The ultra-high dose rate radiation apparatus comprises a plurality of beam modules configured to emit a plurality of radiation beams. The calibration device comprises: a calibration target assembly comprising a target portion, wherein the target portion is located in a predetermined radiation region of the ultra-high dose rate radiation apparatus during a calibration process and is used as a reference to calibrate a convergence deviation of the plurality of radiation beams converging at the predetermined radiation region. Also provided are a calibration method and an ultra-high dose rate radiation apparatus.
The present disclosure provides an ultra-high dose rate radiation method, comprising: controlling a plurality of beam modules to be located at a plurality of target positions in a one-to-one correspondence, so as to form different radiation angles relative to a same target portion; when a region to be irradiated of a target object is located at the target portion, controlling the plurality of beam modules to alternately emit a plurality of radiation beams toward the target portion from the different radiation angles, wherein each of the plurality of radiation beams has an ultra-high dose rate. The present disclosure further provides an ultra-high dose rate radiation apparatus.
G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners
15.
PULSE POWER SUPPLY METHOD, PULSE POWER SUPPLY DEVICE, AND RADIATION DEVICE
The present disclosure provides a pulse power supply method for an electron gun, comprising: collecting in real time at least one working parameter of a target electron gun, wherein the at least one working parameter comprises a gun voltage and a gun current of the target electron gun; and delivering N pulse signals to the target electron gun at intervals to supply power, wherein any two adjacent pulse signals are delivered at intervals, N is an integer greater than or equal to 2, and at least one of the N pulse signals is modulated on the basis of the at least one working parameter. The present disclosure further provides a pulse power supply method for a plurality of electron guns.
A radiation apparatus, comprising a rotatable assembly, the rotatable assembly being capable of rotating about a rotation axis; a beam assembly arranged on the rotatable assembly, wherein the beam assembly comprises a plurality of beam modules, each of the beam modules is used for emitting a radiation beam, and the plurality of beam modules are spaced apart along a circumferential direction of the rotatable assembly; and a power divider arranged on the rotatable assembly, wherein the power divider is provided with a plurality of power distribution ports, the plurality of power distribution ports are connected to the plurality of beam modules, respectively, and the beam assembly and the power divider are capable of rotating about the rotation axis along with the rotatable assembly.
Provided is a gantry for a radiotherapy device, comprising: a supporting assembly; a cylindrical roller configured as a horizontal structure with a first end and a second end in an axial direction, wherein the first end and the second end are both rotatably arranged on the supporting assembly; and a carrier arranged on an outer wall of the first end and adapted to carry an external pulse transformer, such that the pulse transformer rotates synchronously with the cylindrical roller. The cylindrical roller is adapted to provide a reliable mounting platform for the ultra-high dose rate radiotherapy device, such that particle rays output by a plurality of beam modules arranged in the ultra-high dose rate radiotherapy device can accurately converge in the cylindrical roller. Both the first end and the second end of the cylindrical roller are rotatably arranged on the supporting assembly, so as to meet the bearing capacity requirements of the cylindrical roller and other arranged components, thereby forming a reliable mounting platform for the gantry for the radiotherapy device. The carrier is used to assemble the pulse transformer on the cylindrical roller and moves synchronously with the cylindrical roller, thus allowing the alignment and connection to other components of the ultra-high dose rate radiotherapy device.
Provided is an inspection device for a cavity-type object, including: a base; an inspection chamber rotatably disposed on the base, including: an inspection chamber body with an inspection channel having two open ends formed inside; an X-ray source and a radiation detector respectively disposed on opposite first and second side surfaces of the inspection channel; a conveyor belt extending through the inspection channel between the X-ray source and the radiation detector and configured to suspend and transport an object to be inspected; a first driving device disposed on the base and configured to drive the inspection chamber to rotate relative to the base to change an angle between rays emitted by the X-ray source and the conveyor belt. When the angle is equal to 90°, a distance between the conveyor belt and the first side surface is less than a distance between the conveyor belt and the second side surface.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
The present disclosure provides a diffraction detection apparatus, an inspection device, an inspection method and an inspection system. The diffraction detection apparatus includes a bracket, a diffraction radiation source, and a diffraction radiation detector, where the diffraction radiation detector and the diffraction radiation source define an inspection channel extending along a first direction, and the diffraction radiation detector is configured to receive diffracted radiation from an inspected object on the inspection channel to determine a characteristic of a substance causing diffraction. The bracket is configured to allow the diffraction radiation source and the diffraction radiation detector to move on the bracket across the inspection channel in a second direction, where the second direction is transverse to the first direction.
G01N 23/20 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using diffraction of the radiation by the materials, e.g. for investigating crystal structureInvestigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materialsInvestigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using reflection of the radiation by the materials
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners
A multi-energy imaging system and method. The multi-energy imaging system comprises: a multi-energy spectral radiation source (10) configured to generate at least one of a plurality of types of ray radiation, the plurality of types of ray radiation having energy spectra with different maximum energies; a multi-energy spectral detector (20) capable of acquiring at least one of a plurality of energy components in the energy spectrum of the ray radiation; and a processor (30) in signal connection with the multi-energy spectral radiation source (10) and the multi-energy spectral detector (20) and configured to obtain energy spectral image data of at least two coordination modes between the plurality of types of ray radiation that have passed through an inspected object and the plurality of energy components.
G01N 23/06 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption
21.
INTELLIGENT QUESTION-ANSWERING METHOD AND APPARATUS
The present disclosure relates to an intelligent question-answering method and apparatus. The method comprises: receiving an input text; on the basis of the input text, acquiring from a vector knowledge base the top N entities having the highest similarity, wherein N is an integer greater than or equal to 1; on the basis of the top N entities, acquiring corresponding N communities from a top-layer knowledge graph in a dual-layer knowledge graph; on the basis of the input text and community summaries of the N communities, an intelligent question-answering large language model generating a plurality of intermediate input texts; on the basis of the top N entities, acquiring corresponding N subgraphs from a bottom-layer knowledge graph in the dual-layer knowledge graph; the intelligent question-answering large language model generating text descriptions of the N subgraphs; and on the basis of the input text, the plurality of intermediate input texts, and the text descriptions of the N subgraphs, the intelligent question-answering large language model generating a global answer.
A radiation-sensitive detector (30), comprising a plurality of pixels (300), at least one pixel (300) among the plurality of pixels (300) comprising: a radiation-sensitive element (310) for receiving ray photons and converting the ray photons to output same as an analog signal; and an analog-to-digital conversion element (320), which is electrically connected to the radiation-sensitive element (310), wherein the analog-to-digital conversion element (320) is used for converting the analog signal into a digital signal. The analog signal comprises a plurality of sub-analog signals, and the sub-analog signals are generated by means of performing partitioning along at least one of a spatial dimension and a temporal dimension and converting the ray photons. Further provided is a radiation inspection device.
G01T 1/20 - Measuring radiation intensity with scintillation detectors
G01T 1/17 - Circuit arrangements not adapted to a particular type of detector
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
23.
METHOD AND SYSTEM FOR GENERATING DESIGNATED STANDING POSTURE PROMPT IMAGE, AND MILLIMETER WAVE SELF-SERVICE SCANNING SECURITY INSPECTION METHOD AND SYSTEM
Provided in the present disclosure are a method and system for generating a designated standing posture prompt image, and a millimeter wave self-service scanning security inspection method and system. The method for generating a designated standing posture prompt image comprises: acquiring a standing posture image of a subject by means of a camera device; on the basis of the standing posture image of the subject, acquiring a body shape and standing posture image of the subject; on the basis of a standard standing posture image, adjusting the body shape and standing posture image of the subject, acquiring a standing posture prompt image of the subject, and using the standing posture prompt image as a designated standing posture prompt image of the subject; on the basis of the standing posture image of the subject obtained by means of the camera device and body posture features, acquiring a current standing posture image of the subject; and simultaneously displaying the designated standing posture prompt image and the current standing posture image of the subject to the subject, wherein the designated standing posture prompt image may be different according to body posture features of different subjects.
G06T 11/20 - Drawing from basic elements, e.g. lines or circles
G01V 8/00 - Prospecting or detecting by optical means
G06V 40/10 - Human or animal bodies, e.g. vehicle occupants or pedestriansBody parts, e.g. hands
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersectionsConnectivity analysis, e.g. of connected components
G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
The present disclosure relates to the technical field of information scanning. Provided are an information scanning method, apparatus and system. The method comprises: receiving a scanning instruction, the scanning instruction indicating a plurality of target channels among a plurality of channels in a scanning area that need to be scanned, and the scanning area being provided with a plurality of marks, including a first mark indicating a parking point and a second mark indicating each of two endpoints of each channel, the first mark being different from the second mark; in response to the scanning instruction, determining, on the basis of a first mark in an image acquired by a visual sensor installed on a scanning device, a parking point where the scanning device is currently located; on the basis of the parking point where the scanning device is currently located and two endpoints of each target channel, planning a target path; and controlling the scanning device to start from the parking point where the scanning device is currently located, and during traveling, on the basis of each second mark in the image, controlling the scanning device to travel according to the target path, so that the scanning device scans information of goods stored in each target channel.
The present disclosure provides a radiation inspection system, having an inspection channel through which an object to be inspected passes, and comprising a transmission inspection device, a backscatter inspection device, a signal processing device, and an image processing device. The transmission inspection device comprises a transmission radiation source and a transmission detector which are arranged on two opposite sides of the inspection channel. The backscatter inspection device comprises a backscatter radiation source and a backscatter detector arranged on the same side of the inspection channel. The time at which the transmission radiation source outputs a transmission beam is staggered from the time at which the backscatter radiation source outputs a pencil beam. A backscatter signal correction device is in signal connection with the backscatter detector, and is configured to subtract, from a backscatter detection signal produced by the backscatter detector during output of the pencil beam, an afterglow signal generated on the backscatter detector by the transmission beam, thereby forming a corrected backscatter signal. A backscatter image processing device is in signal connection with the backscatter signal correction device, and is configured to form a backscatter image on the basis of the corrected backscatter signal.
Provided in the present disclosure is a preliminary machine inspection baggage identification system. The system comprises: a baggage conveying platform, which is configured to convey baggage along a baggage conveying direction; a security inspection device, which is configured to perform detection on the baggage and generate a target security inspection result; an appearance collection device, which comprises at least a first appearance collection device and a second appearance collection device, wherein the first appearance collection device is arranged upstream of the security inspection device and is used for collecting a first appearance image of the baggage, and the second appearance collection device is arranged upstream of a baggage claim area and is used for collecting a second appearance image of the baggage; and a control apparatus, which is in communication connection with the security inspection device and the appearance collection device, wherein the control apparatus is configured to perform association matching on the target security inspection result, the first appearance image and the second appearance image, and form baggage interception prompt information on the basis of an association mapping result.
Provided in the present disclosure are a management method for logistics smart locks, and a smart cabinet. The management method is applied to a management system for logistics smart locks, wherein a management platform of the management system stores a plurality of pieces of upper-level lock information that match a plurality of logistics smart locks. The management method comprises: respectively collecting health state information of a plurality of logistics smart locks, wherein each logistics smart lock is stored in a different storage compartment of a smart cabinet of the management system; in response to the reception of a lock requirement instruction that comprises upper-level lock information, determining, from among a plurality of storage compartments that store logistics smart locks, a first target storage compartment where a first logistics smart lock, the health state information of which meets a usage requirement, and local lock information of which matches the lock requirement instruction, is located, wherein the local lock information comprises site information and attribute information of the logistics smart lock stored in the storage compartment; and sending an opening instruction to the first target storage compartment.
The present disclosure discloses a conveying device, a security inspection system, and a security inspection method therefor. The conveying device comprises: a mounting frame; a conveying component rotatably arranged on the mounting frame and used for conveying articles, the conveying component comprising a plurality of conveying rollers spaced apart from each other, and the plurality of conveying rollers forming a conveying surface; a driving component for driving the conveying component to rotate; a safety protection component configured to form a light curtain area on a side of the conveying surface facing away from the articles, and to trigger an alarm signal when a foreign object enters the light curtain area; and a control module in communication connection with the driving component and the safety protection component, wherein the control module is configured to, on the basis of the alarm signal, send a shutdown signal to the driving component, such that the conveying component is switched from a rotating state to a stopped state. According to the conveying device of the present disclosure, if a foreign object falls into the light curtain area below the conveying surface, an alarm signal is triggered, and the control module receives the alarm signal and sends a shutdown signal to the driving component, thereby effectively shortening the response time and ensuring the safety of the conveying device and personnel.
A security inspection system and a security inspection method therefor. The security inspection system comprises: a security inspection device (10), which is configured to scan an object under inspection, so as to generate a scanned image; a first image interpretation station (20), which is configured to generate a first image interpretation result on the basis of the scanned image; a second image interpretation station (30), which is configured to generate a second image interpretation result on the basis of the scanned image; a first inspection station (40), which is located in a first inspection area and is configured to perform an unpacking inspection on suspicious baggage on the basis of the first image interpretation result and the second image interpretation result; a second inspection station (50), which is located in a second inspection area and is configured to perform an unpacking inspection on the suspicious baggage on the basis of the first image interpretation result and the second image interpretation result; and a control system, wherein the security inspection device (10), the first image interpretation station (20), the second image interpretation station (30), the first inspection station (40) and the second inspection station (50) are in communication connection with the control system. The security inspection system has the functions of civil aviation security inspection and customs security inspection, thereby effectively reducing the configuration costs of the security inspection system, and improving the security inspection efficiency.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
30.
MULTI-MODAL IDENTIFICATION METHOD AND APPARATUS FOR HAZARDOUS LIQUID, AND COMPUTER PROGRAM PRODUCT
The present application relates to a multi-modal identification method and apparatus for a hazardous liquid, and a computer program product. The multi-modal identification method for a hazardous liquid comprises: for image data of CT imaging, generating text data describing attributes of a hazardous liquid, the attributes comprising at least a liquid composition and a container material; using an image encoder to encode the image data to obtain a visual vector; using a text encoder to encode each attribute in the text data to obtain a text vector, and storing the text vector in a text vector library; and, for image data for training, using the visual vector and the text vectors to train a multi-modal model for identifying a hazardous liquid. The multi-modal identification method and apparatus for a hazardous liquid of the present application can take into account the influences of container material, liquid composition, etc., in a CT scan image, thereby improving the accuracy of identifying a hazardous liquid.
The present disclosure provides a data acquisition method and system for static computed tomography, and a CT device. The data acquisition method includes: sending a scan control system instruction to a master controller; parsing the scan control system instruction to generate an internal control instruction; sending the internal control instruction to a plurality of acquisition controllers; and controlling a plurality of detectors to perform data acquisition according to the internal control instruction.
A material sorting method, relating to the field of material sorting, the field of radiation inspection, or other fields. The material sorting method comprises: in response to particle size information of materials to be sorted satisfying a preset condition, controlling at least one of a ray source (221) and a detector (222) to move, so as to obtain a radiation distance and a detection distance matching the particle size information; controlling the ray source (221) to emit radiation rays toward the materials on the basis of the radiation distance, and controlling the detector (222) to receive ray signals of the radiation rays on the basis of the detection distance, so as to obtain a radiation image; and sorting the materials on the basis of the radiation image. Further provided is a material sorting device. The material sorting method and device can improve the image quality of imaging and the accuracy of subsequent steps such as analysis and identification.
B07C 5/34 - Sorting according to other particular properties
G01N 23/044 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using laminography or tomosynthesis
33.
FLYING SPOT FORMING DEVICE AND SCANNING INSPECTION SYSTEM
A flying spot forming device and a scanning inspection system. The flying spot forming device (FP) comprises: a radiation source (10), which has a radiation outlet (11); a radiation shielding mechanism (20), which has a first beam slit (21); and a rotary shielding mechanism (30), which is rotatable relative to the radiation shielding mechanism (20) and is provided with at least one second beam slit (31). The radiation outlet (11) is located on an inner side of the rotary shielding mechanism (30), and a plane on which the first beam slit (21) is located is perpendicular to a rotation axis (ax) of the rotary shielding mechanism (30) and intersects with a plane on which the second beam slit (31) is located. When the second beam slit (31) rotates along with the rotary shielding mechanism (30) to at least a part of an angle range corresponding to the first beam slit (21), the first beam slit (21) and the second beam slit (31) form, by means of radially overlapping parts, a channel for a radiation beam emitted from the radiation outlet (11) to pass through.
The present disclosure provides an empty container inspection method and apparatus, a storage medium, and a program product. The empty container inspection method comprises: acquiring a perspective image of a vehicle declared as an empty container; segmenting the perspective image to obtain a carriage image of the vehicle; if an item to be inspected is identified in the carriage image, detecting whether said item is a suspicious item; if said item is not a suspicious item, using a machine learning model to identify whether said item is a whitelist item; and outputting risk indication information on the basis of an identification result of the machine learning model.
An engine configuration method, which can be applied to the technical field of big data. The engine configuration method comprises: constructing a risk model in a risk assessment engine on the basis of service information related to risk assessment and a rule engine integrated with different decision-making tools; on the basis of a service logic in the service information, integrating a plurality of indicator items defined in the risk model with calculation rules in the decision-making tools for the indicator items, to generate a decision-making flow corresponding to the risk model, wherein the decision-making flow comprises a plurality of decision-making nodes, and each decision-making node corresponds to an assessment strategy determined on the basis of the indicator items and the calculation rules; and configuring the decision-making flow into the risk assessment engine, so as to perform risk assessment using the configured risk assessment engine. Also provided are a risk assessment method, an engine configuration apparatus, a device, a storage medium and a program product.
A radiation scanning device (RS), comprising: a chassis (10); a radiation source assembly (20) which is disposed on the chassis (10); an arm frame assembly (30), which is connected to the chassis (10) or the radiation source assembly (20) and used for forming a detection region; and a detector assembly (40), which is disposed on the arm frame assembly (30) and cooperates with the radiation source assembly (20) so as to perform scanning imaging on an object to be detected (DO). The height of the chassis (10) is adjustable. An inspection apparatus is further involved.
A flying-spot scanning device, an imaging device, an adjustment method, a system, and a readable storage medium, relating to the field of security detection, and for use in improving the imaging quality of a flying-spot scanning device. The flying-spot scanning device comprises a base (1), a driving mechanism (2), a transmission mechanism (3), a flywheel (4), a detection mechanism (5), and a control assembly. The base (1) is configured to provide support. The driving mechanism (2) is mounted on the base (1) and supported by the base (1). The transmission mechanism (3) is mounted on the base (1) and supported by the base (1). The transmission mechanism (3) is drivingly connected to the driving mechanism (2) so as to rotate under the drive of the driving mechanism (2). The flywheel (4) is drivingly connected to the transmission mechanism (3). The detection mechanism (5) comprises a vibration detection assembly (51). The vibration detection assembly (51) is mounted on the transmission mechanism (3). The control assembly is electrically connected to the detection mechanism (5). The control assembly is configured to calculate, on the basis of the amplitude of vibration detected by the vibration detection assembly (51), whether the vibration of the flywheel (4) during movement meets requirements. Scanning and imaging can be performed only when the flywheel vibration meets the requirements, thereby ensuring imaging quality.
H04N 25/60 - Noise processing, e.g. detecting, correcting, reducing or removing noise
G01V 5/222 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays measuring scattered radiation
38.
METHOD AND APPARATUS FOR RECOMMENDING HARMONIZED SYSTEM CODE FOR GOODS ON BASIS OF LARGE LANGUAGE MODEL
The present disclosure relates to a method and apparatus for recommending a harmonized system code for goods on the basis of a large language model. The method comprises: receiving goods information that is input by a user; inputting the goods information into a harmonized system code recommendation large language model to obtain an initial recommended harmonized system code for goods; inputting query rewriting information based on the goods information into a query rewriting large language model to obtain a goods name and goods specifications; inputting the goods name and the goods specifications into a hybrid retrieval module to obtain hybrid retrieval results of harmonized system codes; and inputting the initial recommended harmonized system code and the hybrid retrieval results of the harmonized system codes into a decision fusion module to obtain a final recommended harmonized system code for the goods.
Provided in the present disclosure are a multi-modal large model retrieval method and apparatus for the field of security checks, an electronic device, a storage medium, and a program product. The method comprises: receiving a user input comprising a target text and a target image, and processing the user input on the basis of a retrieval enhancement process, comprising: first retrieving a first image block to be recognized in the target image from a security check database to obtain a first retrieval result, the first retrieval result comprising at least one first security check image and first text record data of an image block in the first security check image successfully matched with the first image block; then using a first prompt word to instruct a large model to determine the type of goods in the first image block on the basis of the first text record data in the first retrieval result, so as to obtain a first goods recognition result; and then using a preset second prompt to instruct the large model to generate first reply content for the target text in light of the first goods recognition result.
G06F 16/532 - Query formulation, e.g. graphical querying
G06F 16/583 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
G06F 16/535 - Filtering based on additional data, e.g. user or group profiles
G06F 16/58 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
The present disclosure provides an advance inspection target tracking method and tracking system. The tracking method comprises: performing zone-based detection on targets to obtain a plurality of pieces of initial detection data for a plurality of zones, wherein the targets comprise luggage to be detected and/or a person to be detected; using zone processing units of the plurality of zones to respectively process the corresponding plurality of pieces of initial detection data to obtain first processed data for the plurality of zones; sending the first processed data for the plurality of zones to a central server; using the central server to process the first processed data for the plurality of zones to obtain second processed data for the plurality of zones; and performing tracking detection on the targets within the plurality of zones on the basis of the second processed data for the plurality of zones.
The present disclosure provides a backscatter detector, including: a plurality of detector modules arranged at different positions, where ray signal channels are independent of each other, where detection region areas of at least two first detection modules among the plurality of detector modules are different from each other, and the detection region area of each of the at least two first detection modules is adapted to a respective target first count rate. The present disclosure further provides a backscatter detection apparatus.
A vehicle-mounted inspection device and a control method therefor. The vehicle-mounted inspection device comprises: a drive-by-wire chassis platform (2), comprising a vehicle body controller (21) configured for causing a vehicle to perform a maneuver; and a scanning device (1), comprising a control unit and an automatic guidance controller (12), wherein the control unit is configured for sending a vehicle maneuver instruction to the vehicle body controller (21), receiving vehicle state information fed back by the vehicle body controller (21), and sending same to the automatic guidance controller (12); and the automatic guidance controller (12) is configured for determining steering adjustment information of the vehicle according to the vehicle state information, and sending the steering adjustment information to the vehicle body controller (21) by means of the control unit, so as to adjust a steering and travel state of the vehicle.
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
The present disclosure relates to a scanning system, comprising a scanning device (1) and a processing device (2). The scanning device (1) is configured to scan an object under inspection (3) that is moving relative to the scanning device (1), wherein an included angle α between a scanning plane (11) of the scanning device (1) and the traveling direction of the object under inspection (3) is an acute angle or an obtuse angle. The processing device (2) is in signal connection with the scanning device (1), and the processing device (2) is configured to receive a scanned image from the scanning device (1) and perform stretching or compression processing on the scanned image on the basis of a reference component on the object under inspection (3), wherein during the travel of the object under inspection (3), the reference component remains perpendicular to the traveling direction of the object under inspection (3). The present disclosure can effectively reduce the dependence of an image processing process on the traveling speed of an object under inspection, thereby reducing the configuration of speed measurement devices, and thus reducing the scanning inspection cost.
The present disclosure provides a CT scanning imaging system based on a single linear scanning channel, including: a conveying device configured to move a scanned object in a single linear scanning channel in a predetermined conveying direction; a plurality of scanning segments arranged at intervals in the conveying direction, where each scanning segment includes a plurality of ray sources and at least one detector, in each scanning segment, the plurality of ray sources are sequentially arranged at intervals on one side of the scanning channel and configured to alternately emit ray beams to form a scanning region, and the at least one detector is located on the other side of the scanning channel and configured to detect projection data formed by the ray beams transmitted through the scanned object in a process of the scanned object passing through the scanning region; and an imaging device configured to generate a three-dimensional reconstructed image of the scanned object according to the projection data detected by each detector in the plurality of scanning segments.
G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
G01V 5/226 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
45.
MATERIAL SORTING METHOD AND MATERIAL SORTING APPARATUS
A material sorting method, comprising: in response to the determination of a target material to be sorted, acquiring monitored current blowing medium parameters of blowing mechanisms (310, 320); calculating a blowing duration for blowing said target material to a sorting position on the basis of the blowing medium parameters; and controlling the blowing mechanisms (310, 320) to blow the target material according to the blowing duration and on the basis of the blowing medium parameters. Further provided is a material sorting apparatus. In the material sorting method, blowing medium parameters are monitored to dynamically adjust a blowing strategy, so that the overall long-term operational stability and reliability of material sorting can be improved, thereby continuously achieving a good material sorting effect.
The present application relates to a gas collection control method, apparatus and system, and a computer program product. The gas collection control method is used for collecting gas inside a container, and comprises: a ranging apparatus measuring the distance to a container carried on a moving vehicle to serve as a ranging result; on the basis of the ranging result, if the container enters an area to be measured, starting an image collection apparatus to perform image collection on at least a specific position of the container during the movement of the vehicle; on the basis of an image recognition result for an image, determining whether there is a vent cover on the container; if there is a vent cover, combining the image recognition result and the ranging result to calculate an arrangement position of the vent cover; using the ranging apparatus to measure the position of a robotic arm, a gas collection apparatus being mounted on the robotic arm; and controlling a mobile device equipped with the robotic arm, to enable the robotic arm to move to the arrangement position of the vent cover, and performing gas collection by means of the gas collection apparatus.
A material sorting apparatus, comprising: a carrying assembly (300), comprising a plurality of grid compartments used for carrying a plurality of materials, wherein the plurality of grid compartments comprise at least one adjustable grid compartment, the size of an accommodating space inside the adjustable grid compartment is adjustable, and the adjusted accommodating space is used for carrying a target number of target materials; a detection assembly, used for detecting the plurality of materials carried in the plurality of grid compartments to obtain a detection image; and a control unit (500), used for processing the detection image to obtain an identification result for each material among the plurality of materials, so as to sort each material from the grid compartment where the material is located to a target position matching the identification result. The design of the adjustable grid compartment allows for accommodation of materials of different sizes and types, thereby improving the flexibility of sorting processes and improving sorting efficiency and accuracy. Also provided is a material sorting method.
The present disclosure provides a method of identifying a material, including: detecting, in response to a radiation ray scanning a target object, a radiation ray signal using a plurality of detector modules of a radiation detector, where the plurality of detector modules are arranged at different positions and ray signal channels are independent of each other; calculating N ray indexes corresponding to a position of each of the detector modules according to the radiation ray signal detected by each of the detector modules, where N is an integer greater than or equal to 1; and identifying a material of the target object according to index values of each of the ray indexes at different positions. The present disclosure further provides an apparatus of identifying a material
G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor
G01N 23/20066 - Measuring inelastic scattering of gamma rays, e.g. Compton effect
Provided in the present application is a radiation inspection system, comprising: a radiation device, which comprises a ray source for emitting rays; a detector, which is arranged downstream of the radiation device in a first direction and is configured to receive the rays emitted by the radiation device; and a collimation device, which is configured to collimate the rays emitted by the radiation device, wherein the collimation device comprises at least two collimators, the at least two collimators being spaced apart in the first direction and each having a collimation slit adapted for passage of the rays, and the relative positions of the at least two collimators being adjustable. In this way, inspection accuracy can be improved.
The CT imaging system includes: an imaging channel; M distributed ray sources, at least one of which including q target spots; N detectors. The q target spots of the distributed ray source are arranged at intervals along a first straight line inclined relative to a first direction. The imaging method includes: placing an object to be imaged in the imaging channel; controlling q target spots of the distributed ray source to emit ray beams to form an imaging area; detecting, using the detector, a ray emitted from the distributed ray source and penetrating the object to be imaged, and generating projection data according to the detected ray; and generating a computed tomography image of the object to be imaged according to the projection data. The beam emitting time interval is determined based on an inclination angle of an extension direction of the first straight line relative to the first direction.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
The CT imaging system includes: an imaging channel for placing an object to be imaged in an imaging process; M distributed X-ray sources arranged at intervals along a circumferential direction of the imaging channel, the distributed X-ray source including q target spots; N detectors arranged at intervals along the circumferential direction of the imaging channel, including first sub-detectors and second sub-detectors. The CT imaging system includes imaging components each including the distributed X-ray source and the first sub-detector. In the same imaging component, the distributed X-ray source and the first sub-detector are arranged face-to-face in a radial direction of the imaging channel, target spots of the distributed X-ray source and at least part of the first sub-detector are in a same plane perpendicular to the first direction. At least one second sub-detector is provided on at least one side of the distributed X-ray source in the first direction.
G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor
G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners
G01T 1/161 - Applications in the field of nuclear medicine, e.g. in vivo counting
52.
MATERIAL SORTING METHOD AND MATERIAL SORTING APPARATUS
A material sorting method, specifically comprising: acquiring an X-ray image and a three-dimensional image of materials to be sorted; on the basis of at least one of the X-ray image and the three-dimensional image, identifying a material state of each material, wherein the material state includes a non-adhesion state and an adhesion state, and the adhesion state includes a state in which the material comes into contact with at least one of the remaining materials; for the X-ray image and the three-dimensional image, if material state identification has been executed, performing image segmentation on the basis of the material state of each material, and if the material state identification has not been executed, directly performing image segmentation on each material; on the basis of the material state of each material, matching each material in the X-ray image subjected to image segmentation with a corresponding material in the three-dimensional image subjected to image segmentation; and on the basis of a material matching result between the X-ray image and the three-dimensional image, performing material sorting. Further provided is a material sorting apparatus.
Provided are a radiographic inspection system and method for an electronic product. The radiographic inspection system comprises: a radiation-proof housing having an accommodating chamber; a ray source disposed in the accommodating chamber; a carrying device slidably disposed in the accommodating chamber and configured to place an electronic product to be inspected, wherein the side surface of the carrying device that is not enclosed by the accommodating chamber is made of a radiation-proof material; a detector disposed in the accommodating chamber, the ray source and the detector being located on two opposite sides of the carrying device; and a control device disposed outside the radiation-proof housing, in communication connection with each of the radiation source and the detector, and used for controlling beam emission of the ray source, receiving scanning images from the detector, and processing the scanning images to obtain detection results.
G01R 1/04 - HousingsSupporting membersArrangements of terminals
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
54.
VEHICLE INSPECTION METHOD, APPARATUS AND SYSTEM, AND COMPUTER-READABLE STORAGE MEDIUM
The present disclosure relates to the field of vehicle security inspection, and relates to a vehicle inspection method, apparatus and system, and a computer-readable storage medium. The vehicle inspection method comprises: while at least one vehicle under inspection is traveling through an inspection road section, using a multi-line laser radar to acquire raw point cloud data, and determining a laser scanning line to which each point cloud of each vehicle under inspection in the raw point cloud data belongs; on the basis of the raw point cloud data, acquiring vehicle point cloud data of each vehicle under inspection among the at least one vehicle under inspection; determining at least one of position information and speed information of each vehicle under inspection on the basis of the vehicle point cloud data; determining, from among the vehicle point cloud data, target point cloud data of each vehicle under inspection scanned by at least one laser line of which the vertical field of view is greater than a vertical field of view threshold; and determining position information of a loaded object of each vehicle under inspection on the basis of the target point cloud data of each vehicle under inspection.
A radiation inspection apparatus, comprising: a mounting base (10); a support frame (20); connecting rods (50), wherein the connecting rods (50), the support frame (20) and the mounting base (10) together define a scanning passage (P) for an object (O) to be inspected to pass through, first ends of the connecting rods (50) are rotatably connected to the mounting base (10), and second ends of the connecting rods (50) are rotatably connected to the support frame (20); and a scanning device (30), which is mounted on the support frame (20) and comprises a radiation source (31) and a detection device (32), the scanning device (30) being configured to perform radiation inspection on the object (O) to be inspected passing through the scanning passage (P). The connecting rods (50) are configured to drive the support frame (20) to move relative to the mounting base (10), so as to change the size of the scanning passage (P) and the scanning range of the scanning device (30), such that the scanning passage (P) can adapt to objects (O) to be inspected of more specifications to achieve complete scanning.
G01V 5/226 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
Disclosed is a security inspection robot device, comprising: a backscatter robot, which is configured in such a way that same can move, in a self-driven manner, to the vicinity of an object to be inspected, so as to approach the object, can emit radiation towards the object and detects radiation reflected from the object, so as to implement scanning of the object; and a transmission robot, which is configured in such a way that same can move, in a self-driven manner, to the side of the object that is away from the backscatter robot, so as to shield the radiation emitted from the backscatter robot, and can detect radiation transmitted through the object, wherein the object is located between the backscatter robot and the transmission robot.
G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor
G01S 17/93 - Lidar systems, specially adapted for specific applications for anti-collision purposes
G01S 17/86 - Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
G21F 1/08 - MetalsAlloysCermets, i.e. sintered mixtures of ceramics and metals
G21F 3/00 - Shielding characterised by its physical form, e.g. granules, or shape of the material
Provided in the present disclosure are a radiation protection robot and a backscatter inspection apparatus. The radiation protection robot comprises: a first wheel enabling the radiation protection robot to move; a shielding device capable of reflecting and/or absorbing radiation; and radiation sensors configured to sense the radiation. The radiation protection robot is configured to move, by means of the first wheel, towards an area where a radiation dose value sensed by the radiation sensors increases, and to block the propagation of the radiation by means of the shielding device.
G01V 5/222 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays measuring scattered radiation
G01T 7/00 - Details of radiation-measuring instruments
G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor
G01S 17/93 - Lidar systems, specially adapted for specific applications for anti-collision purposes
G01S 17/86 - Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
Provided in the present disclosure are a dedicated keyboard for security inspection and a security inspection system applying the dedicated keyboard for security inspection. The dedicated keyboard for security inspection comprises: one or two first keys, M second keys and one third key. The first keys are configured to determine whether a target passes security inspection during a security inspection process. The second keys are configured to process an acquired image of the target during the security inspection process. The third key is configured to trigger a soft keyboard. The size of the first keys is greater than that of the second keys and that of the third key, and the size of the second keys is not less than that of the third key.
A radiation scanning inspection device, comprising: a base, configured to form a channel (P) for an object under inspection to pass through when the radiation scanning inspection device scans and inspects the object; a transmission scanning apparatus (6), comprising a ray source (61) for emitting rays and a detector (62) for detecting the rays emitted by the ray source (61); and an arm frame (3), the transmission scanning apparatus (6) being mounted on the arm frame (3), and the arm frame (3) being rotatably disposed relative to the base such that the transmission scanning apparatus (6) has at least two scanning working positions by means of the rotation of the arm frame (3) relative to the base, wherein at different scanning working positions, the height of a beam emission position (611) of the ray source (61) differs. When the radiation scanning inspection device inspects an object under inspection, chassis information and cargo information in imaging information do not overlap, thereby improving imaging quality and ultimately improving inspection accuracy.
Provided is an object recognition method for three-dimensional CT data, which method can be used in the field of image processing. The method comprises: acquiring three-dimensional CT data; performing initial recognition on the three-dimensional CT data, so as to acquire first three-dimensional image semantic description sets of N objects; on the basis of the first three-dimensional image semantic description sets of the objects, extracting, from the three-dimensional CT data, three-dimensional regions-of-interest corresponding to the N objects; taking a first three-dimensional image semantic description set of at least one of the N objects and a three-dimensional region-of-interest of at least one of the N objects as inputs for a three-dimensional object recognition method; and using the three-dimensional object recognition method to perform re-recognition on the three-dimensional regions-of-interest, so as to acquire a three-dimensional recognition result of at least one of the N objects. In the present disclosure, three-dimensional information of CT data is effectively used, thereby improving the recognition accuracy of objects. In addition, further provided are an object recognition apparatus for three-dimensional CT data, and an electronic device, a ray scanning detection system, a computer-readable storage medium and a program product.
Embodiments of the present application provide a battery cell detection apparatus and a detection method using same, and a battery cell detection system and a detection method using same. The battery cell detection apparatus comprises: a detection apparatus arranged at a detection station; a conveying apparatus used for conveying a battery cell from a first placement position to a second placement position, the first placement position and the second placement position being located on two opposite sides of the detection apparatus; a first transfer apparatus arranged on a first side of the detection apparatus and used for transferring a grabbed battery cell to the detection station and placing a detected battery cell at the first placement position; and a second transfer apparatus arranged on a second side of the detection apparatus and used for grabbing a battery cell at the second placement position and transferring the grabbed battery cell to the detection station. The first transfer apparatus is configured to move a part to be detected of a battery cell to a first preset position, and the second transfer apparatus is configured to move a part to be detected of a battery cell to a second preset position. The detection apparatus is configured to detect the battery cell grabbed by the first transfer apparatus and/or the battery cell grabbed by the second transfer apparatus.
G01R 31/385 - Arrangements for measuring battery or accumulator variables
G01R 31/378 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
62.
OBJECT IDENTIFICATION METHOD FOR THREE-DIMENSIONAL CT DATA, APPARATUS AND RAY SCANNING DETECTION SYSTEM
Provided is an object identification method for three-dimensional CT data, the method comprising: acquiring three-dimensional CT data; segmenting the three-dimensional CT data along a plurality of segmentation directions to obtain m slice sequences, wherein at least one of the m slice sequences comprises n slices, m being a positive integer greater than or equal to 1, and n being a positive integer greater than or equal to 2; generating a plurality of two-dimensional images on the basis of the m slice sequences; performing object identification on the plurality of two-dimensional images to obtain a two-dimensional semantic description set of an object; and increasing the dimensionality of the two-dimensional semantic description set to obtain a three-dimensional identification result of the object.
A tray, a transfer device and a testing apparatus. The tray (100) comprises a support plate (1), pressing plate assemblies (2) and magnetic attraction assemblies, wherein the support plate is configured to carry a battery cell (200); each pressing plate assembly comprises a connecting base (21) and a pressing plate (22), the connecting base being connected to the support plate, and the pressing plate being rotatably connected to the connecting base and being operably switched between a first position state and a second position state; the magnetic attraction assemblies are disposed on the corresponding connecting bases and configured to hold the pressing plates in the first position state or the second position state; each pressing plate comprises a first contact portion (221) and a second contact portion (222); when the pressing plates are in the first position state, the first contact portions abut against the battery cell to press the battery cell tightly against the support plate; and when the pressing plates are in the second position state, the second contact portions abut against the corresponding connecting bases to release the battery cell. By means of the magnetic attraction force between the magnetic attraction assemblies and the pressing plates, the tray enables the pressing plates to be stably held in either the first position state or the second position state, thereby conveniently and quickly pressing or releasing the battery cell.
Provided is a material sorting system. The system comprises a conveying apparatus, an identification apparatus, a blowing apparatus, a sorting assembly, and a discharging apparatus. The conveying apparatus is used for conveying materials to be sorted until the materials leave the tail end of the conveying apparatus; the identification apparatus is used for identifying material information of the materials on the conveying apparatus; the blowing apparatus is used for blowing, on the basis of the material information, at least some of the materials leaving the tail end to corresponding sorting channels; the sorting assembly defines at least two sorting channels for receiving the materials; and the discharging apparatus comprises at least two discharging devices, wherein the at least two discharging devices are in one-to-one correspondence with the at least two sorting channels and are used for conveying the materials to positions away from the tail end. The sorting assembly comprises a buffer structure. After a target material having specific material information leaves the tail end, the buffer structure is used for buffering the target material by changing the state of the buffer structure.
Provided is a cascaded CT data target recognition method, the method comprising: acquiring three-dimensional CT data; performing initial identification on the three-dimensional CT data to obtain a first object description set of a target; and according to the first object description set of the target, using a cascaded fine recognition method to perform fine recognition on the target, so as to obtain a fine recognition result of the target, wherein according to the cascaded fine recognition method, fine recognition is performed on the target by using at least one of a first deep learning network for three-dimensional CT data and a second deep learning network for two-dimensional data, so as to obtain the fine recognition result of the target.
A detection channel for CT detection and a CT detection device (1000). The detection channel includes: at least two base pipes and a carbon fiber connector. Each base pipe is a metal component with both ends of the base pipe open, the at least two base pipes are distributed sequentially in a length direction of the detection channel, cavities of the at least two base pipes are connected sequentially to allow an object to be detected to pass through, two base pipes are spaced apart from each other in the length direction, and a radiation gap is defined between the two base pipes; the carbon fiber connector extends in the length direction, a middle part of the carbon fiber connector is located within the radiation gap, two ends of the carbon fiber connector are at least fixedly connected to the base pipes on both sides of the radiation gap respectively, and the carbon fiber connector is a solid rod or a pipe body.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
A gantry structure (100) and a detection system. The gantry structure (100) comprises: a frame body (10); and mounting assemblies (50) arranged on the frame body (10) and connected to the frame body (10), wherein each mounting assembly (50) and the frame body (10) define a wiring space (60), each mounting assembly (50) is provided with a first hole (55), and the first hole (55) is communicated with the wiring space (60). The gantry structure (100) and the detection system can not only ensure the mounting requirements of external detection devices (200), but also reduce the difficulty of upgrading and maintaining the gantry structure itself, thereby reducing maintenance costs.
G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
G01V 3/11 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils for detecting conductive objects, e.g. firearms, cables or pipes
68.
ELEMENTAL ANALYSIS SYSTEM, METHOD AND APPARATUS, AND PROGRAM PRODUCT
The present invention relates to the field of radioactivity-based elemental analysis, and in particular to an elemental analysis system, method and apparatus, and a program product. The elemental analysis system comprises: an X-ray scanning device comprising an X-ray source and a detector array and configured to perform dual-energy X-ray scanning on materials; a prompt gamma neutron activation analysis device mounted downstream of the X-ray scanning device in a material transfer direction; and a control apparatus configured to calculate, on the basis of the sizes, mass attenuation coefficients and densities of materials at various positions obtained by means of the X-ray scanning, a self-adsorption correction coefficient to correct a gamma spectrum. The elemental analysis system, method and apparatus, and the program product of the present application can improve the calculation accuracy of the correction coefficient, thereby improving the measurement precision of elemental analysis.
G01N 23/222 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
69.
IMAGE CORRECTION METHOD, IMAGE CORRECTION APPARATUS, SCANNING IMAGING APPARATUS, ELECTRONIC DEVICE, STORAGE MEDIUM, AND COMPUTER PROGRAM PRODUCT
The present application provides an image correction method, an image correction apparatus, a scanning imaging apparatus, an electronic device, a storage medium, and a computer program product. The scanning imaging apparatus is configured to acquire a first image of an inspection object. The image correction method comprises: computing a plurality of actual cumulative positions of detectors in a correction direction; computing, on the basis of the plurality of actual cumulative positions and the size of the first image in the correction direction, a plurality of mapping positions to which the actual cumulative positions are mapped in the first image; computing pixel point coordinates on the basis of relationships between the plurality of mapping positions and coordinates of pixel points in the first image in the correction direction, wherein the pixel point coordinates are coordinates, in the first image in the correction direction, of pixel points in a second image; computing pixel values of the pixel points in the second image on the basis of pixel values of the pixel points in the first image and the pixel point coordinates; and generating the second image on the basis of the pixel point coordinates and the pixel values of the pixel points in the second image.
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
A tray, a transfer device and a test apparatus. The tray (100) comprises a support plate (10), a limiting assembly (20) and a pressure plate assembly (30). The support plate is configured to carry a battery cell (200). The limiting assembly comprises a base (22), a moving member (21) and a mounting seat (23), wherein the base and the mounting seat define a moving channel, the moving member is movably arranged at the moving channel, and the moving member is provided with a first connecting part (211). The pressure plate assembly comprises a pressure plate (31) and a rotating member (32), wherein the pressure plate is rotatably connected to the mounting seat, the pressure plate can switch between a first positional state and a second positional state, and a second connecting part (311) is provided on the side of the pressure plate facing the support plate. When the pressure plate is rotated to a first position, by moving the moving member to a locking position, the first connecting part and the second connecting part are connected, thus keeping the pressure plate in the first position to press the battery cell; by moving the moving member to an unlocking position, the second connecting part separates from the first connecting part, enabling the pressure plate to rotate to a second position to release the battery cell. The tray enables easy and quick pressing or releasing of battery cells.
A security inspection method, comprising: on the basis of object features of an object under inspection (3), determining a target category of the object under inspection (3) (101); on the basis of the target category, calling at least one target algorithm in an algorithm set, wherein the target algorithm is determined on the basis of the target category, and the algorithm set is integrated into a same security inspection device (102); and by means of the at least one target algorithm, recognizing a scanned image of the object under inspection (3), so as to generate a recognition result (103). Further provided are a security inspection apparatus and a security inspection system. A security inspection device (2) can inspect various different objects under inspection (3) in a targeted manner, thereby facilitating an improvement in the security inspection efficiency of the security inspection device (2), and reducing the overall space occupied by the security inspection device (2).
A security inspection method for a security inspection robot (120). The method comprises: a security inspection robot (120) moving to a specific position near an inspected target (S210); the security inspection robot (120) detecting the inspected target by means of non-contact detection, so as to obtain detection data (S220); on the basis of the detection data, determining whether the inspected target is suspicious or whether the inspected target carries a suspicious article (S230); when it is determined, on the basis of the detection data, that the inspected target is suspicious, the security inspection robot (120) sending a first early warning, wherein the first early warning is used for prompting the use of a substance composition analysis module (123) of the security inspection robot (120) to inspect the suspicious article (S240); and in response to the suspicious article being placed in an analysis area, the security inspection robot (120) obtaining a composition analysis result of the suspicious article by means of the substance composition analysis module (123) (S250). Further provided are a security inspection robot (120) and a security inspection system (100). The present application can enhance the scope and flexibility of security inspection, effectively eliminate the dependence on security inspection staff to reduce the labor cost, and improve the efficiency of security inspection.
The present disclosure provides an autonomous inspection system having an inspection region, including: an inspection device movably provided in the inspection region; and a first laser radar device and a second laser radar device, wherein the first laser radar device and the second laser radar device are arranged on the inspection device, the first laser radar device is configured to determine whether an object to be inspected exists in the inspection region or not, and the second laser radar device is configured to determine whether the object to be inspected exists in the scanning channel or not, the scanning channel comprises a first end and a second end, each of the first end and the second end is provided with a node, and a moving path of the inspection device is guided by using the node when the inspection device determines that the object to be inspected exists.
A detection apparatus, comprising a mounting frame (1), a conveying mechanism (2) and a detection mechanism (3). The conveying mechanism (2) comprises a support frame (21), a roller assembly (22) and a conveyor belt (23), wherein the support frame (21) is detachably connected to the mounting frame (1); the roller assembly (22) is rotatably mounted on the support frame (21), and the roller assembly (22) comprises a plurality of rollers; the conveyor belt (23) is wound around the plurality of rollers in sequence; and the plurality of rollers comprise first driven rollers (221) located on an outer side of the conveyor belt (23) and second driven rollers (222) located on an inner side of the conveyor belt (23). The detection mechanism (3) comprises a channel assembly (31), wherein the channel assembly (31) is connected to the mounting frame (1), and at least part of the conveyor belt (23) is located in a detection channel (32) of the channel assembly (31). When the support frame (21) is separated from the mounting frame (1), the first driven rollers (221) are disassembled, such that the conveyor belt (23) can be separated from the conveying mechanism (2).
Provided in the present application is a detection apparatus, comprising a conveying mechanism, a detection mechanism and a mounting frame. The conveying mechanism comprises a drive roller, a deflection roller, driven rollers and a conveyor belt; the conveyor belt is sleeved on the drive roller, the deflection roller and the driven rollers; the conveyor belt comprises a carrying layer and a ready-to-carry layer which are parallel to each other, the carrying layer being used for carrying and conveying objects to be inspected. The detection mechanism comprises a radiation source, a detector component and a channel component; the channel component is configured with a first channel and a second channel, the carrying layer and the radiation source are both located in the first channel, and the detector component is located in the second channel. The conveying mechanism and the detection mechanism are both mounted on the mounting frame.
G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
A cooling device, which can be used for a distributed X-ray source. The distributed X-ray source comprises N ray tubes, and N is an integer greater than or equal to 2. The cooling device comprises: a storage mechanism configured to store a cooling medium; a power mechanism configured to suction the cooling medium from the storage mechanism and feed the cooling medium into a conveying pipe; and the conveying pipe comprising N conveying branches, wherein the N conveying branches are configured to be communicated with the N ray tubes in a one-to-one correspondence manner, so as to allow the cooling medium to flow through the N ray tubes by means of the N conveying branches for heat exchange.
The present disclosure provides an autonomous inspection method of an inspection device, including: acquiring a location information of the inspection device; detecting whether an object to be inspected exists in the inspection region or not; pre-determining an orientation of the object to be inspected relative to the inspection device based on the location information of the inspection device, in response to the object to be inspected existing in the inspection region; moving the inspection device in a first direction according to the pre-determined orientation, and determining whether the object to be inspected exists in a second direction or not, where the second direction is the same as an extension direction of the scanning channel; and moving the inspection device in the second direction and inspecting the object to be inspected, in response to the object to be inspected being detected in the second direction.
G06V 10/762 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using clustering, e.g. of similar faces in social networks
A cooling apparatus and a radiation apparatus using same. The cooling apparatus (100) can be used for cooling an X-ray source (200) in the radiation apparatus. The cooling apparatus (100) comprises: a structural frame (110); a heat dissipation device (120), installed inside the structural frame (110), the heat dissipation device (120) being configured to form a heat dissipation airflow passing therethrough; and a cooling unit (130), installed inside the structural frame (110) independently of the heat dissipation device (120), and located in a region through which the heat dissipation airflow flows; wherein the cooling unit (130) is configured to provide a cooling medium to flow through the X-ray source (200) for heat exchange, and the heat dissipation device (120) is further configured to communicate with the cooling unit (130) to dissipate heat from the cooling medium entering the interior of the heat dissipation device (120).
The present disclosure relates to the technical field of radiation imaging. Provided are an image processing method and apparatus, and a transmission scanning system. The image processing method comprises: performing sampling processing on a transmission image, so as to obtain an image to be processed, wherein the transmission image is obtained by using a multi-column detector to detect the transmission intensity of an object during transmission scanning; determining a region to be identified in said image; using a candidate depth to perform reconstruction processing on said region, so as to obtain a reconstruction result for said region; determining the edge sharpness of the reconstruction result; and when the edge sharpness is greater than a sharpness threshold value, using the candidate depth as the depth of said region.
The present disclosure provides a delivery robot, comprising: a compartment, wherein at least one accommodating chamber is formed in the compartment, the compartment comprises a front wall, a rear wall, a top wall, and a side wall, a window is formed in the front wall, and the window is suitable for allowing items to enter and exit; a guide rail assembly, comprising two guide rails which are mounted in parallel and are spaced apart, wherein the two guide rails are mounted on two opposite sides of the window and extend into the top wall or the side wall; a door, slidably mounted between the two rails; and a driving device, mounted in the top wall, the side wall or the rear wall and connected to a driving end of the door opposite to the end of the door located at the window, wherein the driving device is suitable for driving the door to move along a sliding path provided by the guide rail assembly, so that the driving end of the door moves between a closing position for closing the window and an opening position for at least partially opening the window.
The present application provides a backswing prevention device for a curtain, comprising: plate members; and a strip member, wherein one side of the strip member is provided with N plate members, and N is an integer greater than or equal to 2; when the strip member drives the plate member on the strip member to swing from a first position towards the side where the plate members are mounted to a second position, any two adjacent plate members abut against each other to limit further swinging, and there is a specific angle between the first position and the second position.
The present application relates to a task assignment method and device applied to a security check system. The task assignment method applied to a security check system comprises: in response to receiving a captured image of a checked object generated by a security check device, on the basis of a selected mode of the security check device, selecting from among a plurality of available image check stations a certain range of available image check stations corresponding to the selected mode; on the basis of the security check scenario of the security check device and the conditions of the image check stations, selecting from among a plurality of assignment polices an assignment policy that is adapted to the security check scenario and the conditions of the image check stations; on the basis of the selected assignment policy, selecting from among the certain range of available image check stations an image check station for executing an image check task associated with the captured image; and assigning the captured image and the associated image check task to the selected image check station for the selected image check station to complete the image check task within a specified image check time.
The present application relates to the field of X-ray image-based detection, and discloses a detection method and apparatus for a passenger vehicle, a device, and a storage medium. The method comprises: acquiring an X-ray image for detection and a template X-ray image of a target passenger vehicle, wherein the template X-ray image comprises an X-ray image of the target passenger vehicle not containing a specific object; on the basis of the X-ray image for detection and the template X-ray image, using a deep neural network to obtain a first multi-scale feature corresponding to the X-ray image for detection and a second multi-scale feature corresponding to the template X-ray image; and obtaining a detection result of the target passenger vehicle on the basis of a target similarity parameter between the first multi-scale feature and the second multi-scale feature.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
H04L 47/43 - Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR]
87.
DETECTOR ARM STRUCTURE, AND HUMAN BODY SCANNING DEVICE
A detector arm structure, comprising: a cage-type source fixing portion (100); an arm supporting portion (200), which extends in a first direction; and a distal framework portion (300), which extends in a second direction and has a plurality of through holes (301). The arm supporting portion (200) is connected between the cage-type source fixing portion (100) and the distal framework portion (300). Further provided is a human body scanning device. The cage-type source fixing portion (100) is provided with a sliding block, and slides along a guide rail on a supporting column (400) by means of the sliding block to enable the cage-type source fixing portion (100) to move along the supporting column (400). The cage-type source fixing portion (100) is provided with a three-sided supporting holder. The three-surface supporting holder comprises a bottom plate (101), a side plate (102) and a back plate (103) which are connected to each other, the side plate (102) and the back plate (103) being both perpendicular to the plane where the bottom plate (101) is located and forming a right angle.
G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
88.
RETRIEVER GENERATION METHOD, TARGET DETECTION METHOD AND RAY SCANNING DETECTION SYSTEM
Provided in the present disclosure are a retriever generation method and apparatus, a target detection method and apparatus, an electronic device and a ray scanning detection system, which can be applied to the field of image processing. The generation method comprises: constructing a sample library, involving: acquiring first sample data, which comprises a first image and a first label, wherein the first label represents the category of a first detection target, and acquiring second sample data, which comprises a second image and a second label, wherein the second label represents the category of a second detection target, the first sample data and the second sample data respectively being positive sample data and negative sample data; constructing a feature library, involving: using a feature extraction model to extract first and second image features, forming a first and a second image feature-label relationship, and on the basis of the first and the second image feature-label relationship, generating the feature library; and on the basis of the feature library, generating a retriever.
A check device, comprising a bearing frame (1), a check apparatus (2) and a pressure measurement part. The check apparatus (2) is mounted inside the bearing frame (1), the check apparatus (2) being configured to emit radiation rays to an object to be checked so as to obtain a scanned image of said object. The pressure measurement part is connected to the bearing frame (1), wherein the pressure measurement part comprises N measurement mechanisms (3), the N measurement mechanisms (3) being used for measuring pressure values applied by the bearing frame (1) to N positions, and N being an integer greater than or equal to 1.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
The present disclosure provides a tray moving device and a check system. The tray moving device comprises a conveying line body, a tray pushing mechanism and a first detection mechanism; the conveying line body is configured to convey in a first direction trays borne thereby; the tray pushing mechanism comprises a driving part and a pushing part which are connected to each other, the pushing part being located on a side of the conveying line body; the pushing part is configured to be driven by the driving part to push a tray at a predetermined position in a second direction, the second direction intersecting the first direction; when the pushing part reaches an end point of a pushing stroke thereof, the tray is pushed to leave the conveying line body, the position of the end point being associated with the geometric attribute of the tray, such that the pushing stroke satisfies a predetermined requirement.
B65G 47/84 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
The present invention provides a generation method for calibration data. The calibration data is used for correction of image reconstruction of a scanning imaging device. The method comprises: placing a calibration phantom in a scanning area formed by rays, wherein the calibration phantom comprises M sections respectively composed of M materials, the M materials have M physical property theoretical values, respectively, and M is a positive integer greater than or equal to 2; by means of a detector, collecting rays passing through the scanning area so as to acquire actual projection data; on the basis of the actual projection data, using an image reconstruction algorithm to reconstruct the calibration phantom to obtain a reconstructed image; performing segmentation processing on the reconstructed image to obtain M reconstructed sub-images, wherein the M reconstructed sub-images respectively correspond to the M sections; for the M reconstructed sub-images, respectively calculating M physical property measurement values corresponding to the M sections; and generating calibration data on the basis of the M physical property theoretical values and the M physical property measurement values.
An inspection device and an inspection system are provided. The inspection device includes a first conveying mechanism (10), a radiographic imaging inspection mechanism (20), a stacking mechanism (30), a second conveying mechanism (40) and a tomographic imaging inspection mechanism (50). The first conveying mechanism (10) is used to convey a battery cell. The radiographic imaging inspection mechanism (20) is used to inspects the battery cell. The stacking mechanism (30) is used to stack battery cells into a battery cell group. The second conveying mechanism (40) is used to convey the battery cell group. The tomographic inspection mechanism (50) is used to inspect the battery cell group.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
B07C 5/34 - Sorting according to other particular properties
G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/54 - Reclaiming serviceable parts of waste accumulators
A conveying system for an inspection device, including an imaging system, used to scan and inspect an object; a first transmission mechanism configured to convey the object to the imaging system; and a supporting structure intersecting an inspection surface of the imaging system, where the object is pushed to slide along the supporting structure and passes through the imaging system. The first transmission mechanism includes: a chassis; a driving device; a lead screw driven by the driving device; a first slide rail, where an extension direction of the first slide rail is parallel to an extension direction of the lead screw; and a sliding mechanism connected to the lead screw, where the lead screw may drive the sliding mechanism to move along the extension direction of the lead screw, so that the sliding mechanism pushes the object to slide on the first slide rail and the supporting structure.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
94.
System and method for positioning suspected article
Provided are a system and a method for positioning a suspected article. The system includes a truss indicating mechanism defining a coordinate system having X, Y and Z directions perpendicular to each other. The truss indicating mechanism includes a first direction moving rail disposed on a truss body in one of the three directions; a second direction moving rail movably disposed on the first direction moving rail in a another of the three directions, the second direction moving rail is movable in the first direction relative to the first direction moving rail; and a ranging indicating device movably disposed on the second direction moving rail, the ranging indicating device is configured to be movable in the second direction relative to the second direction moving rail, and is configured to feed back position information of the suspected article in a to-be-inspected cargo by using coordinate information of the coordinate system.
G01V 5/226 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
B65G 43/00 - Control devices, e.g. for safety, warning or fault-correcting
95.
METHOD AND APPARATUS OF PROCESSING POSITIONING INFORMATION, ELECTRONIC DEVICE, AND STORAGE MEDIUM
The present disclosure provides a method and an apparatus of processing a positioning information, an electronic device, and a storage medium, which may be applied to a field of a positioning technology. The method includes: acquiring, in response to a positioning request, a distance information of each of a plurality of base stations for a terminal device; determining, based on a plurality of distance information, a first position information of the terminal device in a first reference system determined based on the plurality of base stations; and determining a positioning information of the terminal device for a target object based on the first position information and a position information of the target object, where the position information of the target object is determined from a tomography result.
An X-band small-focus accelerator for non-destructive testing is provided, including: a magnetron used to generate microwaves; an accelerating tube used to accelerate electrons, where the accelerating tube is an X-band accelerating tube; a microwave system connected between the magnetron and the accelerating tube, and used to feed the microwaves generated by the magnetron into the accelerating tube; an electron gun connected to the accelerating tube, and used to emit an electron beam into the accelerating tube; and an electron gun power supply used to supply power to the electron gun, where the accelerating tube, the microwave system, the magnetron and the electron gun power supply are arranged in sequence in a front-rear direction of the accelerator to determine a length of the accelerator.
G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material
H05H 7/22 - Details of linear accelerators, e.g. drift tubes
Provided is a CT device, being related to the technical field of radiation scanning. The CT device comprises a rack; multiple supporting apparatuses arranged on the rack; a rotatable portion, the rotatable portion being able to rotate around a rotation axis when driven by a driving wheel, and the rotatable portion being jointly supported by the multiple supporting apparatuses during the rotation process; a scanning apparatus arranged on the rotatable portion, the scanning apparatus being used for scanning an object to be examined; an axial limiting mechanism comprising a first pressing roller set and a second pressing roller set, wherein the first pressing roller set and the second pressing roller set are separately arranged on the end faces on two sides of the rotatable portion in the direction of the rotation axis; the first pressing roller set and the second pressing roller set each comprise n pressing rollers, n being an integer larger than 3, and at least a part of the outer circumferential face of each pressing roller is in contact with the end face of the rotatable portion so as to limit the movement of the rotatable portion in the direction of the rotation axis.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G01V 5/226 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
98.
VEHICLE HEAD AVOIDANCE METHOD, APPARATUS AND SYSTEM, AND COMPUTER-READABLE STORAGE MEDIUM
The present disclosure relates to a vehicle head avoidance method, apparatus and system, and a computer-readable storage medium. The vehicle head avoidance method comprises: acquiring a vehicle image to be subjected to detection which is collected by means of a visible-light area-array camera; acquiring a focal length of the camera by means of correcting intrinsic and extrinsic parameters of the camera; processing said vehicle image to obtain a pixel size of a vehicle head; acquiring the distance between the camera and the vehicle head; acquiring an actual size of the vehicle head on the basis of the focal length of the camera, the distance between the camera and the vehicle head, and the pixel size of the vehicle head; and performing vehicle head avoidance on the basis of the actual size of the vehicle head. In the present disclosure, a linear-array image collection device is replaced with a visible-light area-array camera, thereby reducing the use cost and installation cost, and reducing the occupied area.
A radiation detection system (700), comprising a first ray scanning device (106) and a second ray scanning device (107). The first ray scanning device (106) comprises a first target point (1061), which emits rays for scanning a first area (1081) of an object (108). The second ray scanning device (107) comprises a second target point (1071), wherein the second target point (1071) is closer to the ground (701) than the first target point (1061), and the second target point (1071) emits rays for scanning a second area (1082) of the object (108), at least part of the second area (1082) being located out of the first area (1081), and at least part of the second area (1082) being located below the first area (1081) in a vertical direction. Further provided is a radiation detection apparatus (800), comprising a bearing device, which comprises a door-type structure which defines a detection channel (802), wherein the radiation detection system (700) is mounted on the bearing device and performs scanning on a stationary or moving object (108) in the detection channel (802).
G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
100.
MILLIMETER-WAVE IMAGING DEVICE, SECURITY INSPECTION DEVICE, AND SECURITY INSPECTION METHOD
A millimeter-wave imaging device, comprising: a first millimeter-wave transceiving array (100), which comprises a row of first millimeter-wave transmitting antennas (100T) and a row of first millimeter-wave receiving antennas (100R); and a second millimeter-wave transceiving array (200), which comprises a row of second millimeter-wave transmitting antennas (200T) and a row of second millimeter-wave receiving antennas (200R), wherein the first millimeter-wave transceiving array (100) and the second millimeter-wave transceiving array (200) are respectively configured to transmit and receive millimeter waves to construct a first holographic image and a second holographic image of an object to be inspected. The millimeter-wave imaging device is further configured such that the second millimeter-wave receiving antenna (200R) receives millimeter waves of the first millimeter-wave transmitting antenna (100T) to form a first transmission image, or such that the first millimeter-wave receiving antenna (100R) receives millimeter waves of the second millimeter-wave transmitting antenna (200T) to form a second transmission image. The present application further relates to a security inspection device and a security inspection method.
G01V 8/00 - Prospecting or detecting by optical means
G01V 3/12 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with electromagnetic waves
