A method for calibrating a vehicle to infrastructure system using an infrared camera overlooking a road, comprises: obtaining from the camera a first image, each image of the camera having points identifiable in an image coordinate system and corresponding to objects in a real world scene; identifying in the first image a plurality of points each of which corresponds to a respective object that is touching the road's surface; obtaining a measurement that corresponds to a distance from a location of the camera to each respective one of the points in a camera coordinate system (CCS); determining a model of the road in the CCS based on the points and their obtained distances; and calculating a transformation between the CCS and a world coordinate system (WCS) using the road model, the transformation being usable to determine a distance in the WCS to an object in a second image.
A method for calibrating a vehicle to infrastructure system using an infrared camera overlooking a road, comprises: obtaining from the camera a first image, each image of the camera having points identifiable in an image coordinate system and corresponding to objects in a real world scene; identifying in the first image a plurality of points each of which corresponds to a respective object that is touching the road's surface; obtaining a measurement that corresponds to a distance from a location of the camera to each respective one of the points in a camera coordinate system (CCS); determining a model of the road in the CCS based on the points and their obtained distances; and calculating a transformation between the CCS and a world coordinate system (WCS) using the road model, the transformation being usable to determine a distance in the WCS to an object in a second image.
A system for securing an infrared camera lens in optical alignment with an infrared camera sensor, including: a computer-controlled robotic arm configured to adjust a relative position of the infrared camera sensor and the infrared camera lens so as to bring the infrared camera lens into an ideal lens position with respect to the infrared camera sensor; and at least one computer-controlled welder, the at least one computer-controlled welder being configured to perform welding together of at least two parts of the infrared camera after the infrared camera lens is positioned by the robotic arm in the ideal lens position with respect to the infrared sensor camera such that the infrared camera lens is permanently maintained in the ideal lens position.
A system and method for operating a Vehicle to Infrastructure (V2I) system. The method includes receiving images from an infrared (IR) camera, determining whether a non-uniform noise exists within the received images, performing a calibration, upon determining that the non-uniform noise exists, performing a Non-Uniformity Correction (NUC) on the IR, upon determining that there is residual non-uniform noise, after performing the calibration, and determining that the IR camera has not detected a moving object that is approaching the IR camera, determining whether a Field of View (FOV) of the IR camera is occluded, after performing the NUC, and cleaning the IR camera, upon determining that the FOV of the infrared camera is occluded.
G06T 5/50 - Amélioration ou restauration d'image utilisant plusieurs images, p. ex. moyenne ou soustraction
H04N 5/357 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit
H04N 5/365 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit appliqué au bruit à motif fixe, p.ex. non-uniformité de la réponse
A system and method for operating a Vehicle to Infrastructure (V2I) system. The method includes receiving images from an infrared (IR) camera, determining whether a non-uniform noise exists within the received images, performing a calibration, upon determining that the non-uniform noise exists, performing a Non-Uniformity Correction (NUC) on the IR, upon determining that there is residual non-uniform noise, after performing the calibration, and determining that the IR camera has not detected a moving object that is approaching the IR camera, determining whether a Field of View (FOV) of the IR camera is occluded, after performing the NUC, and cleaning the IR camera, upon determining that the FOV of the infrared camera is occluded.
G06V 10/98 - Détection ou correction d’erreurs, p. ex. en effectuant une deuxième exploration du motif ou par intervention humaineÉvaluation de la qualité des motifs acquis
G06T 7/80 - Analyse des images capturées pour déterminer les paramètres de caméra intrinsèques ou extrinsèques, c.-à-d. étalonnage de caméra
H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c.-à-d. systèmes dans lesquels le signal vidéo n'est pas diffusé
G06V 10/143 - Détection ou éclairage à des longueurs d’onde différentes
G06V 20/54 - Trafic, p. ex. de voitures sur la route, de trains ou de bateaux
A heatable optical element for a compound lens, the optical element being adapted to (i) provide a focusing function for the compound lens and (ii) be heated by resistive heating upon application of electricity to the heatable optical element. The compound lens including the heatable optical element may be employed in a camera, with the heatable optical element being the most distal optical element from a light sensor of the camera. A method for operating such a camera comprises detecting a present condition of the distal-most element and controlling application of electricity to control heating of the distal-most element in response to the detected present condition of the distal-most element.
A heatable optical element for a compound lens, the optical element being adapted to (i) provide a focusing function for the compound lens and (ii) be heated by resistive heating upon application of electricity to the heatable optical element. The compound lens including the heatable optical element may be employed in a camera, with the heatable optical element being the most distal optical element from a light sensor of the camera. A method for operating such a camera comprises detecting a present condition of the distal-most element and controlling application of electricity to control heating of the distal-most element in response to the detected present condition of the distal-most element.
A system for optical alignment and calibration of an infrared camera lens, including: a lens support mechanism configured to adjust a position of an infrared camera lens relative to a camera body; at least one collimator configured to output infrared rays, wherein the at least one collimator is positioned such that the output infrared rays converge on an infrared sensor within the camera body through the infrared camera lens; and at least one curing catalyst configured to cure an adhesive placed on the infrared camera lens when an ideal lens position is determined.
Radiometric camera with black body elements for screening infectious disease carriers and method for calibrating a thermal camera having internal black body elements
A radiometric camera having internal black body components and a method for calibrating a radiometric camera having internal black body components. A radiometric camera includes a detector, the detector further including a thermal detector configured to capture thermal images, wherein the thermal detector is pointed in a direction, wherein the radiometric camera is adapted to receive at least one black body element in front of the detector with respect to the direction of the thermal detector, the thermal detector having a plurality of portions including at least one first portion, wherein the at least one black body element affects radiation readings by the at least one first portion of a plurality of portions of the thermal detector when disposed in the radiometric camera.
A system for securing an infrared camera lens in optical alignment with an infrared camera sensor, including: a computer-controlled robotic arm configured to adjust a relative position of the infrared camera sensor and the infrared camera lens so as to bring the infrared camera lens into an ideal lens position with respect to the infrared camera sensor; and at least one computer-controlled welder, the at least one computer-controlled welder being configured to perform welding together of at least two parts of the infrared camera after the infrared camera lens is positioned by the robotic arm in the ideal lens position with respect to the infrared sensor camera such that the infrared camera lens is permanently maintained in the ideal lens position.
A radiometric camera and method for obtaining accurate radiometric readings of objects in a scene captured by a radiometric camera. The method comprises estimating a gamma drift coefficient based on an input thermal image, wherein the thermal image is captured by an infrared sensor; performing, based on the gamma drift coefficient and the input thermal image, a sensor temperature stabilization to provide an ambient-stabilized thermal image, wherein the ambient-stabilized thermal image is invariant to temperature changes of the infrared sensor; performing ambient calibration to estimate a scene temperature based on the ambient-stabilized thermal image; and measuring, based on the estimated scene temperature and a calibrated attenuation factor, a temperature of each of at least one object shown in the input thermal image, where the temperature of each of the at least one object is measured independently of the ambient temperature of the radiometric camera.
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
A radiometric camera and method for obtaining accurate radiometric readings of objects in a scene captured by a radiometric camera. The method comprises estimating a gamma drift coefficient based on an input thermal image, wherein the thermal image is captured by an infrared sensor; performing, based on the gamma drift coefficient and the input thermal image, a sensor temperature stabilization to provide an ambient-stabilized thermal image, wherein the ambient-stabilized thermal image is invariant to temperature changes of the infrared sensor; performing ambient calibration to estimate a scene temperature based on the ambient-stabilized thermal image; and measuring, based on the estimated scene temperature and a calibrated attenuation factor, a temperature of each of at least one object shown in the input thermal image, where the temperature of each of the at least one object is measured independently of the ambient temperature of the radiometric camera.
A61F 9/00 - Procédés ou dispositifs pour le traitement des yeuxDispositifs pour mettre en place des verres de contactDispositifs pour corriger le strabismeAppareils pour guider les aveuglesDispositifs protecteurs pour les yeux, portés sur le corps ou dans la main
13.
System and method for optical alignment and calibration of an infrared camera lens
A system for optical alignment and calibration of an infrared camera lens, including: a lens support mechanism configured to adjust a position of an infrared camera lens relative to a camera body that includes: a hexapod platform and a robotic arm to manipulate the position of the infrared camera lens that extends from the hexapod platform and is coupled thereto to be continually oriented parallel to the hexapod platform and to maintain the infrared camera lens continually oriented parallel to the orientation of the hexapod platform; at least one collimator configured to output infrared rays, wherein the at least one collimator is positioned such that the output infrared rays converge on an infrared sensor within the camera body through the infrared camera lens; and at least one curing catalyst configured to cure an adhesive placed on the infrared camera lens when an ideal lens position is determined.
A system and method for correcting oversaturated pixels in far-infrared (FIR) images captured by a shutterless FIR camera, the method comprising: capturing thermal images by a FIR sensor in the shutterless FIR camera; processing the thermal images, by the shutterless FIR camera to determine pixel value and at least a shutterless sunburn correction, wherein the shutterless sunburn correction removes oversaturated pixels based on pixel-by-pixel analysis of the thermal image; and sending the processed thermal images to an output device.
A system for optical alignment and calibration of an infrared camera lens, including: a lens support mechanism configured to adjust a position of an infrared camera lens relative to a camera body; at least one collimator configured to output infrared rays, wherein the at least one collimator is positioned such that the output infrared rays converge on an infrared sensor within the camera body through the infrared camera lens; and at least one curing catalyst configured to cure an adhesive placed on the infrared camera lens when an ideal lens position is determined.
A system for optical alignment and calibration of an infrared camera lens, including: a lens support mechanism configured to adjust a position of an infrared camera lens relative to a camera body; at least one collimator configured to output infrared rays, wherein the at least one collimator is positioned such that the output infrared rays converge on an infrared sensor within the camera body through the infrared camera lens; and at least one curing catalyst configured to cure an adhesive placed on the infrared camera lens when an ideal lens position is determined.
A camera mounting system and a method for processing images are disclosed. The system includes an external component configured to capture thermal images, and an internal component configured to receive the thermal images. The thermal images are wirelessly transmitted by the external component, the external component is coupled to the internal component via a glass, and the internal component is further configured to wirelessly power the external component.
An infrared camera assembly for a vehicle. The assembly includes: a vehicle component having a front surface; a shutterless far-infrared (FIR) camera mounted within the vehicle component, wherein the shutterless FIR camera is utilized to output at least one thermal video stream processed by the autonomous vehicle system; and a protective window disposed on at least a portion of the front surface of the vehicle component, where the protective window is positioned to be aligned with a lens of the FIR camera, so as to allow the shutterless FIR camera to capture images therethrough.
B60R 1/00 - Dispositions pour la visibilité optiqueDispositions de visualisation en temps réel pour les conducteurs ou les passagers utilisant des systèmes de capture d’images optiques, p. ex. des caméras ou des systèmes vidéo spécialement adaptés pour être utilisés dans ou sur des véhicules
B60R 11/04 - Montage des caméras pour fonctionner pendant la marcheDisposition de leur commande par rapport au véhicule
G02B 13/14 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous à utiliser avec des radiations infrarouges ou ultraviolettes
B60J 1/20 - Accessoires, p. ex. déflecteurs d'air, écrans
G03B 17/55 - Parties constitutives des appareils ou corps d'appareilsLeurs accessoires avec des dispositions pour chauffer ou réfrigérer, p. ex. avion
19.
Method and system for generating multiple synchronized thermal video streams for automotive safety and driving systems
A system and method for image stream synchronization for an FIR camera. The method includes applying an initial correction to a received image stream; splitting the corrected image stream into a first image stream and at least a second image stream; enhancing the first image stream by at least one image enhancing process; buffering the second image stream until a synchronization signal is received; and synchronizing the first image stream and second image stream, such that the output of the enhanced first image stream and the buffered second image stream match.
A camera apparatus. The camera apparatus includes a housing having a front end and a back end; a lens, wherein the lens is disposed in the front end of the housing; and a thermal core, wherein the thermal core is disposed between the lens and the back end of the housing, the thermal core further comprising: at least one substrate; at least one thermally conductive member configured to remove heat from the thermal core; and an infrared imager affixed to one of the at least one substrate, the infrared imager configured to capture an infrared video stream.
A method and apparatus for correcting nonuniformity noise in thermal images. The method comprises receiving a current image being part of a stream of thermal images; concatenating the current image from the stream of thermal images with hidden state images; processing, by a first convolutional neural network, the concatenated image to extract a number of feature channels; generating based on the feature channels at least a first multiplicative mask; processing, by a second convolutional neural network, a masked concatenated image to compute a weighting parameter, wherein the masked concatenated image is resulted by applying the first multiplicative mask on the concatenated image; and simulating, using the weighting parameter, an infinite impulse response (IIR)-style updating scheme to estimate the nonuniformity noise in the current image.
G06K 9/46 - Extraction d'éléments ou de caractéristiques de l'image
G06T 5/50 - Amélioration ou restauration d'image utilisant plusieurs images, p. ex. moyenne ou soustraction
H04N 5/365 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit appliqué au bruit à motif fixe, p.ex. non-uniformité de la réponse
H04N 5/33 - Transformation des rayonnements infrarouges
An infrared camera assembly for a vehicle. The assembly includes: a vehicle component having a front surface; a shutterless far-infrared (FIR) camera mounted within the vehicle component, wherein the shutterless FIR camera is utilized to output at least one thermal video stream processed by the autonomous vehicle system; and a protective window disposed on at least a portion of the front surface of the vehicle component, where the protective window is positioned to be aligned with a lens of the FIR camera, so as to allow the shutterless FIR camera to capture images therethrough.
A window for resistive heating and a camera apparatus including a window for resistive heating. The window includes a transparent member having an outer edge, wherein the transparent member is made of a first material, wherein the first material is a low conductivity material; and at least one set of two conductive pads disposed on the outer edge of the transparent member and electrically coupled to at least one source of electricity, wherein each conductive pad is made of a second material, wherein matter disposed on the transparent member is removed via resistive heating when electricity is conducted from the at least one source through the at least one set of two conductive pads and the transparent member.
H05B 3/84 - Dispositions pour le chauffage spécialement adaptées à des surfaces transparentes ou réfléchissantes, p. ex. pour désembuer ou dégivrer des fenêtres, des miroirs ou des pare-brise de véhicules
H04N 5/33 - Transformation des rayonnements infrarouges
H05B 3/14 - Éléments chauffants caractérisés par la composition ou la nature des matériaux ou par la disposition du conducteur caractérisés par la composition ou la nature du matériau conducteur le matériau étant non métallique
A system and method for correcting oversaturated pixels in far-infrared (FIR) images captured by a shutterless FIR camera. The method includes identifying oversaturated pixels based on a pixel value analysis of an input image; creating an oversaturated pixel mask of the input image, where the oversaturated pixel mask includes the identified oversaturated pixels and excludes pixels not identified as oversaturated pixels; and correcting the oversaturated pixels of the current image using the oversaturated pixel mask, based on a scene-based nonuniformity correction (SBNC).
H04N 5/359 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit appliqué aux porteurs de charge en excès générés par l'exposition, p.ex. bavure, tache, image fantôme, diaphonie ou fuite entre les pixels
25.
Compact infrared camera for automotive safety and driving systems
A camera apparatus. The camera apparatus includes a housing having a front end and a back end; a lens, wherein the lens is disposed in the front end of the housing; and a thermal core, wherein the thermal core is disposed between the lens and the back end of the housing, the thermal core further including: an electrical component; at least one substrate electrically connected to the electrical component; and an infrared imager configured to capture an infrared video stream, wherein the infrared imager is affixed to one of the at least one substrate.
A system and method for correcting nonuniformity in far-infrared (FIR) images captured by a shutterless FIR camera. The method includes determining a noise of a current image based on updating a noise estimate of a previous image with a noise estimate of a current image; determining a weight mask matrix of the current image, where the weight matrix includes high values corresponding to pixels of the current image in which noise estimation is facilitated, and low values corresponding to pixels of the current image in which noise estimation is inhibited; applying the weight mask matrix to the current image; and correcting the nonuniformity of the current image incrementally based on the determined noise of current image and the applied weight mask matrix.
H04N 5/365 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit appliqué au bruit à motif fixe, p.ex. non-uniformité de la réponse
G06T 7/254 - Analyse du mouvement impliquant de la soustraction d’images
27.
TECHNIQUES FOR CORRECTING FIXED PATTERN NOISE IN SHUTTERLESS FIR CAMERAS
A system and method for correcting fixed pattern noise in far-infrared (FIR) images captured by a shutterless FIR camera. The method includes: determining a drift coefficient based on previously determined calibration values and high pass filter values applied to an input FIR image captured by the shutterless FIR camera; smoothing the drift coefficient based, in part, on previously computed drift coefficient values; and removing noise from the input image based on the smoothed drift coefficient value.
A system and method for correcting fixed pattern noise in far-infrared (FIR) images captured by a shutterless FIR camera. The method includes: determining a drift coefficient based on previously determined calibration values and high pass filter values applied to an input FIR image captured by the shutterless FIR camera; smoothing the drift coefficient based, in part, on previously computed drift coefficient values; and removing noise from the input image based on the smoothed drift coefficient value.
H04N 5/33 - Transformation des rayonnements infrarouges
H04N 5/365 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit appliqué au bruit à motif fixe, p.ex. non-uniformité de la réponse
G01J 5/06 - Dispositions pour éliminer les effets des radiations perturbatricesDispositions pour compenser les changements de la sensibilité
29.
SHUTTERLESS FAR INFRARED (FIR) CAMERA FOR AUTOMOTIVE SAFETY AND DRIVING SYSTEMS
A shutterless far-infrared (FIR) camera for advanced driver assistance systems, including at least one optical unit including at least one lens; an FIR sensor coupled to the optical unit and configured to capture FIR images; and an integrated circuit (IC) configured to process the captured FIR images to output an enhanced thermal video stream, wherein the IC further includes: a processing circuitry; and a memory containing instructions that, when executed by the processing circuitry, configure the processing circuitry to perform image corrections including at least a shutterless correction.
B60R 1/00 - Dispositions pour la visibilité optiqueDispositions de visualisation en temps réel pour les conducteurs ou les passagers utilisant des systèmes de capture d’images optiques, p. ex. des caméras ou des systèmes vidéo spécialement adaptés pour être utilisés dans ou sur des véhicules
H04N 5/33 - Transformation des rayonnements infrarouges
30.
Shutterless far infrared (FIR) camera for automotive safety and driving systems
A shutterless far-infrared (FIR) camera for advanced driver assistance systems, including at least one optical unit including at least one lens; an FIR sensor coupled to the optical unit and configured to capture FIR images; and an integrated circuit (IC) configured to process the captured FIR images to output an enhanced thermal video stream, wherein the IC further includes: a processing circuitry; and a memory containing instructions that, when executed by the processing circuitry, configure the processing circuitry to perform image corrections including at least a shutterless correction.
H04N 5/33 - Transformation des rayonnements infrarouges
B60R 1/00 - Dispositions pour la visibilité optiqueDispositions de visualisation en temps réel pour les conducteurs ou les passagers utilisant des systèmes de capture d’images optiques, p. ex. des caméras ou des systèmes vidéo spécialement adaptés pour être utilisés dans ou sur des véhicules
G05D 1/02 - Commande de la position ou du cap par référence à un système à deux dimensions
H04N 5/357 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit
H04N 9/73 - Circuits pour l'équilibrage des couleurs, p. ex. circuits pour équilibrer le blanc ou commande de la température de couleur
H04N 5/243 - Circuits pour la compensation des variations de la luminance de l'objet en agissant sur le signal d'image
H04N 5/232 - Dispositifs pour la commande des caméras de télévision, p.ex. commande à distance
H04N 9/68 - Circuits pour le traitement de signaux de couleur pour commander l'amplitude des signaux de couleur, p. ex. circuits pour la commande automatique de la saturation de couleur
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
G06K 9/46 - Extraction d'éléments ou de caractéristiques de l'image
G06K 9/03 - Détection ou correction d'erreurs, p.ex. par une seconde exploration
H04N 5/367 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit appliqué au bruit à motif fixe, p.ex. non-uniformité de la réponse appliqué aux défauts, p.ex. pixels non réactifs
H04N 5/365 - Traitement du bruit, p.ex. détection, correction, réduction ou élimination du bruit appliqué au bruit à motif fixe, p.ex. non-uniformité de la réponse
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Electronic camera system comprised of an uncooled infrared camera and a computer vision module for providing assistance and warning to drivers while driving of close and far proximity of vehicles, pedestrians, animals, cyclists and other obstacles; electronic chip used as an image vision processor in electronic camera system for providing assistance while driving in good and difficult visibility conditions, for providing forward, side and backside collision warning, deviation from driving lanes warning, not maintaining distance warning, for assisting in autonomous decision making, providing warning, and detection of close and far proximity of vehicles, pedestrians, animals, cyclists and other obstacles; computer hardware and software, interior and exterior display and audio modules intended for warning and alerting of collisions, for assisting in autonomous decision making, and for alerting drivers of close and far proximity vehicles, pedestrians, cyclists, animals and other obstacles; uncooled infrared camera; electronic sensors for sensing objects around vehicles; computer software for analyzing and processing information for use in vehicles; computer software in the field of vehicle safety, namely, computer software for systems of driver alert and warnings; computer software in the field of vehicle safety, namely, computer software used for alerting and warning drivers of automobiles; computer software in the field of vehicle safety, namely, computer software for systems used for assisting drivers of automobiles Design and development of electronic camera and alert systems for assisting and alerting drivers of close and far proximity of vehicles, pedestrians, animals, cyclists and other obstacles; product testing and tests concerning vehicle safety; consultancy and technical support services and providing information services in the fields of design and development of electric camera and alert systems for assisting in autonomous decision making, assisting and alerting drivers driving of close and far proximity of vehicles, pedestrians, animals, cyclists, and other obstacles
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Electronic camera system comprised of an uncooled infrared camera and a computer vision module for providing assistance and warning to drivers while driving of close and far proximity of vehicles, pedestrians, animals, cyclists and other obstacles; electronic chip used as an image vision processor in electronic camera system for providing assistance while driving in good and difficult visibility conditions, for providing forward, side and backside collision warning, deviation from driving lanes warning, not maintaining distance warning, for assisting in autonomous decision making, providing warning, and detection of close and far proximity of vehicles, pedestrians, animals, cyclists and other obstacles; computer hardware and software, interior and exterior display and audio modules intended for warning and alerting of collisions, for assisting in autonomous decision making, and for alerting drivers of close and far proximity vehicles, pedestrians, cyclists, animals and other obstacles; uncooled infrared camera; electronic sensors for sensing objects around vehicles; computer software for analyzing and processing information for use in vehicles; computer software in the field of vehicle safety, namely, computer software for systems of driver alert and warnings; computer software in the field of vehicle safety, namely, computer software used for alerting and warning drivers of automobiles; computer software in the field of vehicle safety, namely, computer software for systems used for assisting drivers of automobiles Design and development of electronic camera and alert systems for assisting and alerting drivers of close and far proximity of vehicles, pedestrians, animals, cyclists and other obstacles; product testing and tests concerning vehicle safety; consultancy and technical support services and providing information services in the fields of design and development of electric camera and alert systems for assisting in autonomous decision making, assisting and alerting drivers driving of close and far proximity of vehicles, pedestrians, animals, cyclists, and other obstacles
