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 23/203 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffraction de la radiation par les matériaux, p. ex. pour rechercher la structure cristallineRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffusion de la radiation par les matériaux, p. ex. pour rechercher les matériaux non cristallinsRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la réflexion de la radiation par les matériaux en mesurant la rétrodiffusion
G01N 23/20008 - Détails de construction des appareils d’analyse, p. ex. caractérisés par la source de rayons X, le détecteur ou le système optique à rayons XLeurs accessoiresPréparation d’échantillons à cet effet
G01S 17/93 - Systèmes lidar, spécialement adaptés pour des applications spécifiques pour prévenir les collisions
G01S 17/86 - Combinaisons de systèmes lidar avec des systèmes autres que lidar, radar ou sonar, p. ex. avec des goniomètres
G21F 1/08 - MétauxAlliagesCermets, c.-à-d. mélanges frittés de céramiques et métaux
G21F 3/00 - Blindage caractérisé par sa forme physique, p. ex. granulés, ou forme du matériau
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.
G01T 1/167 - Mesure du contenu radioactif des objets, p. ex. contamination
G01T 7/12 - Dispositions pour actionner un signal d'alarme
G01V 5/222 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques mesurant les rayons diffusés
G01T 7/00 - Détails des instruments de mesure des radiations
G01N 23/203 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffraction de la radiation par les matériaux, p. ex. pour rechercher la structure cristallineRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffusion de la radiation par les matériaux, p. ex. pour rechercher les matériaux non cristallinsRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la réflexion de la radiation par les matériaux en mesurant la rétrodiffusion
G01N 23/20008 - Détails de construction des appareils d’analyse, p. ex. caractérisés par la source de rayons X, le détecteur ou le système optique à rayons XLeurs accessoiresPréparation d’échantillons à cet effet
G01S 17/93 - Systèmes lidar, spécialement adaptés pour des applications spécifiques pour prévenir les collisions
G01S 17/86 - Combinaisons de systèmes lidar avec des systèmes autres que lidar, radar ou sonar, p. ex. avec des goniomètres
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 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
G01R 31/378 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge spécialement adaptées à un type de batterie ou d’accumulateur
7.
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
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 - Mesure de plusieurs variables par des moyens non couverts par une seule autre sous-classe
G01V 5/00 - Prospection ou détection au moyen de rayonnement ionisant, p. ex. de la radioactivité naturelle ou provoquée
G01V 3/11 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection en utilisant des cadres inducteurs pour la détection d'objets conducteurs, p. ex. d'armes à feu, de câbles ou de tuyaux
13.
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en mesurant l'émission secondaire de matériaux utilisant l'analyse par activation en utilisant l'analyse par activation neutronique [NAA]
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
G01N 23/083 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption le rayonnement consistant en rayons X
14.
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
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.
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
G01C 21/00 - NavigationInstruments de navigation non prévus dans les groupes
G01C 21/20 - Instruments pour effectuer des calculs de navigation
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).
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
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 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
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.
G05D 1/689 - Interaction avec des charges utiles ou des entités externes dirigeant des charges utiles vers des cibles fixes ou en mouvement
G05D 1/246 - Dispositions pour déterminer la position ou l’orientation utilisant des cartes d’environnement, p. ex. localisation et cartographie simultanées [SLAM]
G05D 107/70 - Sites industriels, p. ex. entrepôts ou usines
23.
METHOD AND APPARATUS FOR SEPARATING TARGET OBJECT IN THREE-DIMENSIONAL CT IMAGE, AND SECURITY INSPECTION CT SYSTEM
G06V 10/762 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant le regroupement, p. ex. de visages similaires sur les réseaux sociaux
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
H04L 47/43 - Assemblage ou désassemblage de paquets, p. ex. par segmentation et réassemblage [SAR]
32.
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption le rayonnement consistant en rayons X
33.
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.
G06F 16/58 - Recherche caractérisée par l’utilisation de métadonnées, p. ex. de métadonnées ne provenant pas du contenu ou de métadonnées générées manuellement
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
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 - Roues en forme d'étoiles ou dispositifs à courroies ou chaînes sans fin, les roues ou dispositifs étant dotés d'éléments venant en prise avec les objets
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.
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
G01N 23/083 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption le rayonnement consistant en rayons X
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
B07C 5/34 - Tri en fonction d'autres propriétés particulières
G01N 23/083 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption le rayonnement consistant en rayons X
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/54 - Récupération des parties utiles des accumulateurs usagés
39.
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 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques utilisant la tomographie
B65G 43/00 - Dispositifs de commande, p. ex. de sécurité, d'alarme ou de correction des erreurs
40.
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.
H05H 9/02 - Accélérateurs linéaires à ondes progressives
G01N 23/02 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau
H05H 7/22 - Détails d'accélérateurs linéaires, p. ex. tubes de glissement
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 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
G01V 5/226 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques utilisant la tomographie
43.
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 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
45.
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 - Prospection ou détection par des moyens optiques
G01V 3/12 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant par ondes électromagnétiques
46.
DISPLAY METHOD AND APPARATUS FOR RADIOGRAPHIC INSPECTION SYSTEM, AND RADIOGRAPHIC INSPECTION SYSTEM AND METHOD
A display method and apparatus for a radiographic inspection system, and a radiographic inspection system and method. The display method for a radiographic inspection system comprises: acquiring M frames of radiographic data collected by a detector (S110); separately processing the M frames of radiographic data to obtain M frames of images, wherein the M frames of images are suitable for being displayed on a display screen of a radiographic inspection system (S120); on the basis of the M frames of images, generating video data (S130); and dynamically displaying the video data at a first predetermined frequency (S140). Compared with the static display of a single X-ray image, the display frequency is greatly improved, and the system inspection efficiency is improved.
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
47.
POWER SUPPLY CONTROL CIRCUIT AND SECURITY CHECK DEVICE
The present disclosure relates to the technical field of security check, and provides a power supply control circuit and a security check device. The power supply control circuit comprises: a first power supply module; a second power supply module, wherein one of the first power supply module and the second power supply module comprises an uninterruptible power supply unit, and the other comprises a mains power supply unit; and a power supply switching module, wherein the power supply switching module comprises a first end, a second end, and a third end, the first end is connected to the first power supply module, the second end is connected to the second power supply module, and the third end is connected to a target apparatus; and the power supply switching module is configured to: when the power supply of the first end is abnormal, disconnect the first end and the third end, and connect the second end and the third end within a first preset time; and when the power supply of the first end returns to normal, disconnect the second end and the third end, and connect the first end and the third end within a second preset time, wherein the first preset time and the second preset time are configured such that: during the execution of switching operations, the target apparatus does not experience a power loss.
H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p. ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
48.
TRAIN OPEN-TOP WAGON MEASUREMENT AND INSPECTION SYSTEM AND METHOD
A train open-top wagon measurement and inspection system and method. The system comprises: a LiDAR group, which is used for generating a laser to scan a train and collecting profile information of the train, wherein the profile information is point cloud data; a wagon identification apparatus, which is used for measuring the wheelbase of the train, determining the wagon type of each wagon of the train on the basis of the wheelbase and the point cloud data, and generating a coupler signal between wagons of the train; and a detection module, which is used for segmenting, on the basis of the coupler signal, the profile information of the train into wagon profile information taking a wagon as a unit, calculating the volume of loaded objects in the wagon on the basis of the wagon profile information when the wagon is an open-top wagon, and identifying foreign matters in the loaded objects.
An analysis and test device and a spent fuel reprocessing system. The analysis and test device comprises: a base (1); a shielding body (7), which is fixed to the base (1) and comprises a main body portion (71) and a sealing portion (72), the sealing portion (72) being configured to seal an opening (711) in the main body portion (71) and being capable of being opened and closed; an accelerator assembly (3) and a radiation source (4), wherein the accelerator assembly (3) is located on one side of the shielding body (7) in a first direction (x) and is movably mounted on the base (1) in the first direction (x), and the radiation source (4) is fixed to one side of the accelerator assembly (3) in the first direction (x) and is located in the shielding body (7); a measurement assembly (5), which is fixed in the shielding body (7), is located, in the first direction (x), on the side of the radiation source (4) away from the accelerator assembly (3), and is configured to accommodate a test object, so as to implement a test mode; a calibration assembly (6), which is detachably mounted in the shielding body (7) by means of the opening (711), is located, in the first direction (x), on the side of the radiation source (4) away from the accelerator assembly (3), and is configured to accommodate a calibration object, so as to implement a calibration mode; and a detector assembly (8), which is arranged on one side of the shielding body (7) in a second direction (y) and is movably mounted on the base (1) in the first direction (x).
G01N 23/09 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption le rayonnement consistant en neutrons
50.
CARGO INSPECTION DEVICE AND INSPECTION METHOD THEREOF
A cargo inspection device and an inspection method thereof. The cargo inspection device comprises: a carrier (10) which is configured to move relative to an inspected cargo (G) in a preset direction during cargo inspection; a scanning imaging inspection apparatus (20) provided with a ray scanning assembly (21) used for scanning the inspected cargo (G) through rays; and a smell inspection apparatus (30) provided with a gas sampling assembly (31) for performing gas sampling on the inspected cargo (G), wherein the ray scanning assembly (21) and the gas sampling assembly (31) are both arranged on the carrier (10), and the ray scanning process realized by the ray scanning assembly (21) and the gas sampling process of the gas sampling assembly (31) at least partially coincide in time.
G01V 5/00 - Prospection ou détection au moyen de rayonnement ionisant, p. ex. de la radioactivité naturelle ou provoquée
G01V 5/20 - Détection de biens prohibés, p. ex. des armes, des explosifs, des substances dangereuses ou des objets de contrebande ou non déclarés
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
G01N 23/00 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou
G01N 21/84 - Systèmes spécialement adaptés à des applications particulières
G01N 1/22 - Dispositifs pour prélever des échantillons à l'état gazeux
G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes
G01T 1/00 - Mesure des rayons X, des rayons gamma, des radiations corpusculaires ou des radiations cosmiques
51.
METHOD AND APPARATUS FOR DETERMINING ENERGY CALIBRATION OF RADIATION DETECTOR, DEVICE, AND MEDIUM
Provided are a method and an apparatus for determining an energy calibration of a radiation detector, a device, and a medium. The method includes: acquiring (S110) a background energy spectrum of a plurality of known nuclides, where the background energy spectrum is obtained by the radiation detector detecting the plurality of known nuclides; performing (S120) differential processing on the background energy spectrum to obtain a channel address-difference diagram, where the channel address-difference diagram includes a plurality of valid peak information determined from a plurality of full-energy peak information; determining (S130) a target coefficient according to the channel address-difference diagram, where the target coefficient characterizes a calibration coefficient in initial energy channel address function; and determining (S140) a target energy channel address function according to the channel address-difference diagram and the initial energy channel address function, where the target energy channel address function characterizes the energy calibration of the radiation detector. The apparatus for determining an energy calibration of a radiation detector includes an acquisition module (610), a differencing module (620), a first determination module (630), and a second determination module (640).
Provided in the present disclosure is a calibration method for performing energy spectrum calibration on a scanning imaging device, which comprises: when an energy spectrum calibration phantom is located in a scanning area formed by rays, obtaining a geometric relationship between a ray source, the energy spectrum calibration phantom, and a detector according to relative positions of the ray source, the energy spectrum calibration phantom, and the detector; collecting rays that pass through the scanning area by means of the detector to obtain real projection data; obtaining a physical attribute of the energy spectrum calibration phantom, wherein the physical attribute is pre-determined according to the material of which the energy spectrum calibration phantom is made or is calculated according to an image reconstruction method; calculating theoretical projection data using a plurality of predetermined basis spectra on the basis of the physical attribute of the energy spectrum calibration phantom and the geometric relationship; performing calibration on an energy spectrum parameter according to the theoretical projection data and the actual projection data, so as to obtain an optimized energy spectrum parameter; and determining the optimized energy spectrum parameter as an energy spectrum calibration parameter.
G01N 23/00 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou
53.
CALIBRATION METHOD AND SYSTEM FOR GEOMETRIC CALIBRATION OF SCANNING AND IMAGING EQUIPMENT
Provided is a calibration method for calibrating a scanning and imaging device. The calibration method comprises: by means of a detector, collecting rays which have passed through a geometric calibration phantom so as to obtain detector data, the detector data comprising an actual projection position of the rays on the detector after the rays have passed through the geometric calibration phantom; obtaining initial ray source parameters and initial detector parameters; according to the initial ray source parameters, the initial detector parameters, and the positional relationship of the geometric calibration phantom with respect to a ray source and the detector, obtaining a theoretical projection position of the geometric calibration phantom on the detector by means of geometric calculation; constructing an optimization function of the deviation between the actual projection position and the theoretical projection position in terms of the ray source parameters and the detector parameters; and according to the optimization function, determining the ray source parameters and the detector parameters which correspond to the minimum deviation value as optimized ray source parameters and optimized detector parameters, and determining the optimized ray source parameters and the optimized detector parameters as geometric calibration parameters.
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
54.
CALIBRATION METHOD AND CALIBRATION SYSTEM FOR CALIBRATING SCANNING IMAGING DEVICE
Provided is a calibration method for calibrating a scanning imaging device, comprising: when a geometric calibration phantom is located in a scanning area formed by rays, executing a geometric calibration step, which comprises: collecting rays that pass through the scanning area by means of a detector to obtain detector data; performing calibration on a ray source parameter and a detector parameter by utilizing the detector data, so as to obtain an optimized ray source parameter and an optimized detector parameter, and determining the optimized ray source parameter and the optimized detector parameter as geometric calibration parameters; and when an energy spectrum calibration phantom is located in a scanning area formed by rays, executing an energy spectrum calibration step, which comprises: collecting rays that pass through the scanning area by means of the detector, and obtaining real projection data related to the energy spectrum phantom; and performing calibration on an energy spectrum parameter according to a geometric relationship and a physical attribute of the energy spectrum calibration phantom by utilizing the actual projection data, so as to obtain an optimized energy spectrum parameter, and determining the optimized energy spectrum parameter as an energy spectrum calibration parameter.
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
Provided in the present disclosure is a neutron poison monitoring apparatus. The neutron poison monitoring apparatus comprises: a container, which is used for accommodating a liquid to be tested that contains a neutron poison; a neutron source, which is configured to emit neutrons to said liquid; a detector, which is configured to detect the number of neutrons and/or the number of photons in said liquid; a multi-channel scaler, which is configured to send to a neutron poison monitoring control apparatus the number of neutrons and/or the number of photons detected by the detector; the neutron poison monitoring control apparatus, which is configured to control the neutron source to emit the neutrons to said liquid, control the detector to detect the number of neutrons or the number of photons in said liquid within a time range after the neutron source is controlled to stop emitting neutrons to said liquid, so as to obtain a plurality of detection values, use a background value to correct each detection value among the plurality of detection values, so as to obtain a plurality of corrected values, and use the plurality of corrected values to determine the concentration of the neutron poison in said liquid; and a shielding device, which is configured to shield external interference received by said liquid and the detector.
G01N 23/00 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou
56.
MOBILE INSPECTION DEVICE AND MOBILE INSPECTION SYSTEM
A mobile inspection device and a mobile inspection system. The mobile inspection device comprises a moving body (1), a rear cabin (2), an accelerator chamber (3) and a detector arm (5). The mobile inspection device has a container truck scanning mode and a train scanning mode which can be switched from one to the other. The rear cabin (2) is rotatably arranged on the moving body (1), and is configured to rotate to a counterweight position in the container truck scanning mode and to rotate to a retracted position in the train scanning mode; the detector arm (5) is arranged on the moving body (1), and is provided with a first detector (6); the detector arm (5) is configured to have a folded state and an unfolded state, and is in the unfolded state in the container truck scanning mode and in the folded state in the train scanning mode; and the accelerator chamber (3) is arranged in the rear cabin (2), and is configured to emit ray beams from a first beam outlet (201) and a second beam outlet (202) of the rear cabin (2) in the container truck scanning mode and the train scanning mode, respectively.
G01N 23/02 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau
57.
RADIATION DOSE MEASUREMENT APPARATUS AND RADIATION DOSE MEASUREMENT METHOD
A radiation dose measurement apparatus (200) and a radiation dose measurement method. The radiation dose measurement apparatus (200) comprises: an ionization chamber (210), which defines an accommodating space (211), wherein the accommodating space (211) is filled with a gas, and the gas is configured to react with rays entering the accommodating space (211), so as to generate electrons; and N VDMOS devices (100), which are arranged in the accommodating space (211), wherein N is an integer greater than or equal to 1, a change occurs in a source-drain reverse current-voltage curve of at least one of the N VDMOS devices (100) in response to the electrons, and the radiation dose of the rays is obtained by means of the source-drain reverse current-voltage curves before and after the change.
A human body scanning device, comprising a supporting column (200) and an imaging assembly. The imaging assembly can move up and down along the supporting column (200) so as to scan a human body. The imaging assembly comprises an arm frame (300), a ray source (301) located at a first end portion (306) of the arm frame (300), and a detector located at a second end portion (305) of the arm frame (300). The human body scanning device further comprises an energy absorbing structure; the energy absorbing structure comprises an energy absorbing portion and a flexible member (410); one end of the flexible member (410) is fixedly connected to the second end portion (305) of the arm frame (300); and the energy absorbing portion enables the flexible member (410) to apply a tensile force to the second end portion (305) of the arm frame (300) so as to prevent the second end portion (305) of the arm frame (300) from vibrating.
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
A61B 6/04 - Mise en position des patientsLits inclinables ou similaires
59.
TWO-DIMENSIONAL GRID MAPPING METHOD, APPARATUS, DEVICE, AND STORAGE MEDIUM
A two-dimensional grid mapping method, an apparatus, a device, and a storage medium, which belong to the field of mapping. The two-dimensional grid mapping method comprises: obtaining, in real time, first pose data and second pose data of a robot at the current moment, the first pose data being pose data determined by a two-dimensional lidar, and the second pose data being pose data determined by a combination navigation device, where the pose data determined by the combination navigation device is pose data obtained by merging position data measured by a satellite navigation device and orientation data measured by an inertial measurement unit device (S110); merging the first pose data and the second pose data, and obtaining merged pose data (S120); and constructing a two-dimensional grid map according to the merged pose data (S130).
G01C 21/32 - Structuration ou formatage de données cartographiques
G01S 17/89 - Systèmes lidar, spécialement adaptés pour des applications spécifiques pour la cartographie ou l'imagerie
G01S 19/47 - Détermination de position en combinant les mesures des signaux provenant du système de positionnement satellitaire à radiophares avec une mesure supplémentaire la mesure supplémentaire étant une mesure inertielle, p. ex. en hybridation serrée
Disclosed are a detector apparatus and a ray irradiation apparatus, being related to the technical field of radiation scanning. The detector apparatus comprises a detector box that defines a first accommodating space, one side of the detector box having a first slit for rays to pass through; a shielding assembly being located in the first accommodating space and defining a second accommodating space, one side of the shielding assembly having a second slit for rays to pass through, and the second slit being aligned with the first slit; S detectors being located in the second accommodating space and being configured to detect rays passing through the first slit and the second slit, S being an integer greater than or equal to 1; and a first sealing member being configured to cover the first slit, wherein the first sealing member allows rays to pass through so as to enter the first slit; the first sealing member works in conjunction with the detector box to enable the first accommodating space to form a sealed, waterproof space.
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
G01N 23/02 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau
G21F 9/00 - Traitement des matériaux contaminés par la radioactivitéDispositions à cet effet pour la décontamination
61.
ENERGY SPECTRUM DATA READOUT CIRCUIT, X-RAY DETECTOR, AND DATA READOUT METHOD
The present disclosure provides an energy spectrum data readout circuit, an X-ray detector, and a data readout method. The energy spectrum data readout circuit comprises an acquisition circuit and a control circuit. The acquisition circuit comprises: a plurality of sub-channels used for receiving a current pulse signal generated on the basis of an X-ray, and generating a detection signal on the basis of the current pulse signal; a multiplexer connected to the plurality of sub-channels that selects and outputs a detection signal of at least one channel from among the plurality of sub-channels according to a channel selection signal; and a trigger circuit connected to the plurality of sub-channels and is used for generating a global trigger signal according to an over-threshold identifier received from the plurality of sub-channels, and outputting an address of an over-threshold channel according to an address readout request. The control circuit is connected to the acquisition circuit and is used, in response to a trigger signal from the acquisition circuit, for generating a chip selection signal and an address readout request, and providing the signal and request to the acquisition circuit.
The present disclosure relates to the technical field of anomaly detection, and provides an anomaly detection method and apparatus, and a computer readable storage medium. The method comprises: acquiring first customs declaration data to be detected, wherein said first customs declaration data comprises a plurality of fields associated with corresponding items and addresses, the plurality of items corresponding to the plurality of fields can form a plurality of item sets, and each item set comprises two items among the plurality of items; calculating an evaluation distance between two addresses associated with the two items in each item set; performing association rule mining on a plurality of pieces of historical second customs declaration data to obtain an evaluation index representing an association relationship between the two items in each item set; using an anomaly detection algorithm to process the evaluation distance and the evaluation index so as to obtain a first result representing whether there is a risk between the two items in each item set or not; and on the basis of the first result, determining whether there is an anomaly in the first customs declaration data or not.
The present disclosure provides a risk detection method and apparatus, and a storage medium. The risk detection method comprises: identifying ingredient content information of an edible commodity that is comprised in customs clearance data, in order to obtain a plurality of ingredient names and corresponding content data; comparing the plurality of ingredient names and the corresponding content data with those in a predetermined food safety standard database to determine a first risk value of the edible commodity; on the basis a food access knowledge base, determining a second risk value of a plurality of pieces of access information of the edible commodity that are comprised in the customs clearance data; acquiring historical risk information of the edible commodity; on the basis of the historical risk information, determining a third risk value of the edible commodity; and on the basis of the first risk value, the second risk value and the third risk value, determining an import risk value of the edible commodity.
G06F 40/216 - Analyse syntaxique utilisant des méthodes statistiques
G06F 40/284 - Analyse lexicale, p. ex. segmentation en unités ou cooccurrence
G06N 5/022 - Ingénierie de la connaissanceAcquisition de la connaissance
G06N 3/0442 - Réseaux récurrents, p. ex. réseaux de Hopfield caractérisés par la présence de mémoire ou de portes, p. ex. mémoire longue à court terme [LSTM] ou unités récurrentes à porte [GRU]
The present disclosure relates to an analysis and detection apparatus and a spent fuel reprocessing system. The analysis and detection apparatus comprises: a base; a carrying platform movably arranged on the base in a first direction and a second direction perpendicular to each other in a horizontal plane; an accelerator assembly and a radiation source, wherein the radiation source is located on one side of the accelerator assembly in the second direction, and the radiation source is used for receiving radiations emitted by the accelerator assembly to generate particles; a measuring assembly fixedly mounted relative to the base and used for accommodating an object under detection to implement a detection mode; a calibration assembly detachably arranged and used for accommodating a calibration object to implement a calibration mode; a shielding body used for providing radiation protection for the radiation source, the measuring assembly, and the calibration assembly; and a detector assembly arranged on one side of the shielding body in the first direction; wherein the accelerator assembly, the shielding body, and the detector assembly are all arranged on the carrying platform, and the carrying platform is configured to drive the shielding body to reach or leave a protection position in the first direction.
G21C 17/06 - Dispositifs ou dispositions pour la surveillance ou le test du combustible ou des éléments combustibles en dehors du cœur du réacteur, p. ex. pour la consommation ou pour la contamination
A radiation dose rate control method, which relates to the technology of radiation, and an accelerator (100). The control method is used for an electron linear accelerator (100) comprising a microwave source, an electron gun (102) and an accelerating tube (104). The control method comprises: when an electron linear accelerator (100) outputs a beam, monitoring a first event used for indicating a change of a beam output parameter (S610), wherein the beam output parameter comprises a pulse of an electron gun (102) and a microwave power of a microwave source, and the first event is determined by means of radiation protection requirements; and in response to monitoring the first event, cutting off the pulse of the electron gun (102), and switching a first microwave power of the microwave source to a second microwave power, so that the leakage dose rate of a radiation safety boundary is less than or equal to a first preset threshold (S620), wherein the level of dark current in an accelerating tube (104) under the second microwave power is less than or equal to a second preset threshold. Further provided are a radiation dose rate control apparatus, an accelerator (100), and a radiation apparatus.
Provided in the present application are an apparatus and method for training and evaluating an AI model. The method comprises: creating a process task template applied to a containerized application management platform, wherein the process task template comprises: process configuration information associated with a training and evaluation task of an AI model, and a stage flag corresponding to each step in the training and evaluation task; and in response to receiving a start command for a continuous training and evaluation task: querying the process task template, splitting the training and evaluation task into stages on the basis of the process configuration information and the stage flag, so as to construct a task in a training stage, performing product escape analysis on the basis of the task in the training stage, so as to generate a product escape analysis result associated with the task in the training stage, starting the task in the training stage on the basis of a product escape result, and when the task in the training stage reaches a preset training stage node, starting the concurrent running of one or more tasks in an evaluation stage without interrupting the task in the training stage.
G06V 10/774 - Génération d'ensembles de motifs de formationTraitement des caractéristiques d’images ou de vidéos dans les espaces de caractéristiquesDispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant l’intégration et la réduction de données, p. ex. analyse en composantes principales [PCA] ou analyse en composantes indépendantes [ ICA] ou cartes auto-organisatrices [SOM]Séparation aveugle de source méthodes de Bootstrap, p. ex. "bagging” ou “boosting”
This disclosure relates to a mobile radiation detection apparatus, including: a movable mounting bracket; a radiation detector for detecting a radiation type and/or a radiation dose of an object to be detected movably mounted on the movable mounting bracket relative to the movable mounting bracket; an adjustment device provided between the radiation detector and the movable mounting bracket for adjusting a height and/or an angle of the radiation detector relative to the movable mounting bracket; and in detecting the object to be detected, the mobile radiation detection apparatus moves the movable mounting bracket and adjusts the height and/or angle of the radiation detector relative to the movable mounting bracket and the radiation detector approaches and aligns with the object to be detected.
A static CT device and a CT examination method. The device comprises one or more sets of examination assemblies, each set of examination assembly comprising: a multi-point distributed source (S) configured to emit radiation beams; a detector (DT) facing the multi-point distributed source to receive the radiation beams emitted by the multi-point distributed source, wherein the multi-point distributed source and the detector define an examination channel; and gratings (G0, G1, G2) arranged in the examination channel between the multi-point distributed source and the detector. The gratings have a periodic structure configured to diffract the radiation beams passing through the gratings to form an interference pattern.
The present disclosure provides a radiation imaging device. The device comprises: a radiation source, configured to emit radiation beams; a detector, configured to receive the radiation beams from the radiation source, wherein the radiation source and the detector define an examination channel; and at least one grating arranged in the examination channel between the radiation source and the detector. The at least one grating has a curved surface or is a groove-shaped surface having a plurality of angled planar sections, and the curved surface or the groove-shaped surface faces the radiation source.
A radiation imaging device and a radiation imaging method. The radiation imaging device comprises: a radiation source (S), an N-row detector (DT) and at least one grating (G), wherein the grating (G) is arranged in an inspection channel defined by the radiation source (S) and the N-row detector (DT) and is located between the radiation source (S) and the N-row detector (DT). Each row of detectors of the N-row detector (DT) extends in the transverse direction of the inspection channel, and the N rows of detectors (DT) are arranged along the inspection channel. The grating (G) extends in a plane substantially parallel to the arrangement of the N-row detector (DT), and the at least one grating (G) has a periodic structure, the periodic structure being configured to diffuse the rays passing through the grating (G) to form an interference pattern, the direction of extension of the structural unit of the periodic structure being at a non-zero angle to the direction of extension of the inspection channel.
A radiation imaging device, a CT imaging device, a radiation imaging method, and a CT imaging method. The radiation imaging device comprises: a radiation source (S), a detector (DT), and at least one grating (G0, G1, G2), the at least one grating (G0, G1, G2) being arranged on an inspection channel defined between the radiation source (S) and the detector (DT). The grating (G0, G1, G2) shields only a portion of the radiation beam such that a portion of the radiation beam is received by the detector (DT) after passing through the grating (G0, G1, G2).
G01N 23/00 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou
A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
A vehicle chassis inspection device and method. The vehicle chassis inspection device comprises a control unit (13), and a reflective sensor (11), an imaging unit (14), an illumination intensity measurement unit (12) and a light-emitting unit (15) which are communicationally connected to the control unit (13). The control unit (13) is configured to determine, when a first signal is received, that a vehicle enters a preset photographing range, and control the imaging unit (14) and the light-emitting unit (15) to be turned on. The imaging unit (14) is configured to photograph a vehicle chassis to obtain a vehicle chassis image. The illumination intensity measurement unit (12) is configured to measure the illumination intensity on the basis of a preset acquisition frequency. The control unit (13) is further configured to determine whether the illumination intensity is within a preset range, and when the illumination intensity is determined to be less than the preset range, on the basis of a preset light intensity compensation relationship, determine the compensation light intensity corresponding to the illumination intensity, and control the light-emitting unit (15) to provide the compensation light intensity, so that the illumination intensity is within the preset range.
The present disclosure provides a CT device and a detection method. The CT device comprises a conveying apparatus; a rotating apparatus; a first control apparatus, which is connected to the conveying apparatus and used for collecting the moving distance of the conveying apparatus and calculating, on the basis of the moving speed of the conveying apparatus and the rotational speed of the rotating apparatus, the rotation angle of the rotating apparatus that corresponds to the moving distance; a second control apparatus, which is connected to the rotating apparatus and used for collecting the rotation angle of the rotating apparatus; and a calculation apparatus, which is connected to the first control apparatus and the second control apparatus and used for receiving the moving distance collected by the first control apparatus, the rotation angle calculated by the first control apparatus, and the rotation angle collected by the second control apparatus, for making the moving distance collected by the first control apparatus correspond one-to-one to the rotation angle collected by the second control apparatus on the basis of the rotation angle calculated by the first control apparatus to obtain synchronous data, and for generating a fluoroscopic image on the basis of detection data and the synchronous data.
G01N 23/046 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
74.
ROBOT PARKING METHOD AND APPARATUS, DEVICE, AND READABLE STORAGE MEDIUM
A robot parking method and apparatus, a device, and a readable storage medium. The robot parking method comprises: in a work start area, obtaining first laser radar data of the surrounding environment around a robot by means of a laser radar on the robot (S201); according to the first laser radar data, determining first coordinate information of the robot in a first coordinate system (S202); obtaining second coordinate information of a first marker, which is in a parking area, in the first coordinate system (S203); according to a first relative position relationship between the first coordinate information and the second coordinate information, determining third coordinate information of the first marker in a second coordinate system in which the laser radar is located (S204); according to the third coordinate information, generating a first movement path for the robot (S205); and moving along the first movement path from the work start area to the parking area (S206).
A system for positioning a detector of a transmissive inspection device for receiving detection rays. The system comprises: ray position detection and display portions (8), which are configured to detect and display the position of a ray beam plane (3) emitted by a ray source (2), wherein the projection of the ray beam plane (3) in a first plane opposite to a ray emission direction of the ray source (2) is a straight line; a visible-light emitting component (7), which is configured to emit a visible-light beam plane (10), wherein the projection of the visible-light beam plane (10) in the first plane is a straight line; and an adjustment apparatus (9), which is connected to the visible-light emitting component (7), and is configured to adjust a visible-light emission direction of the visible-light emitting component (7) or adjust the position of the visible-light emitting component (7) in a direction perpendicular to the visible-light beam plane (10), so as to adjust the visible-light beam plane (10) to the position of the ray beam plane (3) displayed by the ray position detection and display portions (8), so that a detector (5) is arranged or adjusted by taking the visible-light beam plane (10) as a reference plane, and thus the detector (5) can receive rays emitted by the ray source (2). Further provided is a method for positioning a detector of a transmissive inspection device for receiving detection rays.
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
G01C 15/00 - Instruments de géodésie ou accessoires non prévus dans les groupes
76.
BIOLOGICAL INFORMATION COLLECTION DEVICE AND METHOD THEREOF
A biological information collection device and method, the biological information collection device comprising: a bracket (10); a carrier (20) movably arranged on the bracket (10); a position sensor (30) provided on the carrier (20) and configured to sense the relative position of a collection object (CO) and the carrier (20) at least in the direction of height; a biological information collector (40) arranged on the carrier (20) and configured to collect biological information of the collection object (CO); a lifting driver (50) in drive connection with the carrier (20) and configured to drive the carrier (20) to ascend and descend relative to the bracket (10); and a controller (60) in signal connection with the position sensor (30), the biological information collector (40), and the lifting driver (50), and configured to enable the lifting driver (50) to drive the carrier (20) on the basis of the sensing result of the position sensor (30), and enable the biological information collector (40) to collect biological information of the collection object (CO).
A collimator assembly (1), comprising: at least one position adjusting portion (11), wherein the at least one position adjusting portion (11) is located at the end portion of the collimator assembly (1) and is used for adjusting the position of the collimator assembly (1); a collimator body portion (12) with at least one position adjusting portion (11) being located on the collimator body portion (12), wherein the collimator body portion (12) comprises a first adjustment component (121), a left collimator component (122), a right collimator component (123), and adjustment holes (124) located on the left collimator component (122) and the right collimator component (123), the left collimator component (122) and the right collimator component (123) being arranged side by side and an collimator slit (125) being provided therebetween, and each adjustment component (121) passing through the corresponding adjustment hole (124) so as to adjust the width of the collimator slit (125); a shielding box (13), the shielding box (13) being fixed to the collimator body portion (12) and being located on the side surface opposite to the position adjusting portion (11), and the shielding box (13) being provided on both the top portion and the bottom portion thereof a gap (131) corresponding to the collimator slit (125).
G21K 1/02 - Dispositions pour manipuler des particules ou des rayonnements ionisants, p. ex. pour focaliser ou pour modérer utilisant des diaphragmes, des collimateurs
Disclosed in the present application is a carcass inspection and analysis system. The carcass inspection and analysis system comprises: an inspection device comprising at least two inspection channels for carcasses to pass through, wherein the at least two inspection channels are arranged in a first direction, a transmitter and a receiver are respectively provided on two opposite sides of each inspection channel in the first direction, and each transmitter is configured to emit rays to a receiver, so that at least one beam plane suitable for scanning and inspecting a carcass passing through an inspection channel is formed in each inspection channel; and a hanging and transferring device comprising a conveying mechanism and hangers arranged on the conveying mechanism, wherein each hanger comprises at least two hanging portions, each hanging portion can hang a carcass, and the conveying mechanism is configured to drive the hangers to pass through the inspection device in a second direction, and to cause each hanging portion to pass through a corresponding inspection channel in the second direction, the first direction intersecting the second direction. The carcass inspection and analysis system disclosed in the present application has a relatively high inspection precision, thus facilitating accurate analysis and grading of carcasses.
G01N 23/046 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
G01N 21/13 - Transport des cuvettes ou des échantillons solides vers ou à partir de l'emplacement de recherche
79.
RAY CONVERSION TARGET, RAY SOURCE AND IRRADIATION DEVICE
A ray conversion target (100), comprising a target body (1), a target portion (2) and a heat dissipation portion, wherein the target portion (2) is arranged inside the target body (1), and the target portion (2) has a first face and a second face arranged opposite each other, the first face being configured to generate rays; and the heat dissipation portion is configured to accommodate a heat dissipation fluid and is at least partially located on the second face of the target portion (2). A fluid inlet of the heat dissipation portion is divided into N first sub-inlets (31), each of the first sub-inlets (31) being in communication with a corresponding first flow channel (32), where N is an integer greater than or equal to 2. Each of the first sub-inlets (31) is different from at least one of the other first sub-inlets in terms of size, and the N first sub-inlets (31) are configured to regulate the flow rate of the fluid in each first flow channel (32). Further provided are a ray source and an irradiation device.
Disclosed in the present application are an electric device, a charging device, a charging system, and a charging method The electric device comprises a charged contact, a first switch circuit, a second switch circuit, a voltage measurement circuit, a battery, and a first control apparatus. After receiving a measurement voltage signal that is output by the voltage measurement circuit, the first control apparatus controls the first switch circuit to be switched off and controls the second switch circuit to be switched on, so that the safety of the electric device and the charging device during a charging idle period is improved, and a charging control process is simplified.
The present disclosure relates to the technical field of channel detection. Provided are a channel detection method, apparatus and system. The channel detection method comprises: receiving point cloud data from a scanning LiDAR arranged on at least one side of a channel; on the basis of the point cloud data, determining the contour of an object to be detected that enters the channel and the distance from said object to the at least one side of the channel; on the basis of the contour of said object and the distance from said object to the at least one side of the channel, determining the category of said object; acquiring a restricted-object category corresponding to the type of the channel; and when the category of said object comprises the restricted-object category corresponding to the type of the channel, outputting alarm prompt information.
Provided is a heat dissipation device for a Marx generator. The device comprises N cooling plates arranged in sequence; a switch assembly of a Marx generator is fixed on each cooling plate, and the switch assemblies on the N cooling plates are sequentially connected in series; each cooling plate has a water inlet and a water outlet, cooling water flows into the cooling plate from the water inlet and flows out from the water outlet, and the water inlets and water outlets of different cooling plates are connected by means of water cooling lines to achieve the flow of the cooling water across the cooling plates; the cooling water flows in from the water inlet of the first cooling plate, flows out from the water outlet of the first cooling plate, sequentially passes through m cooling plates except the second cooling plate, then flows into the water inlet of an N-th cooling plate, flows out from the water outlet of the N-th cooling plate, sequentially flows through k cooling plates, and then flows out from the water outlet of the second cooling plate, wherein m+k=N-3, 0≤m≤N-3, 0≤k≤N-3, and the m cooling plates and the k cooling plates are different from each other.
A meat composition calculation method. The method comprises: executing dual-energy X-ray scanning on a piece of meat, so as to obtain scanned image data of the piece of meat; converting the expression form of the scanned image data, so as to obtain image conversion data of the piece of meat; training a meat composition calculation model on the basis of a plurality of meat samples, so as to obtain a trained meat composition calculation model; and on the basis of the image conversion data, using the trained meat composition calculation model to calculate meat composition information of the piece of meat.
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
G06V 10/774 - Génération d'ensembles de motifs de formationTraitement des caractéristiques d’images ou de vidéos dans les espaces de caractéristiquesDispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant l’intégration et la réduction de données, p. ex. analyse en composantes principales [PCA] ou analyse en composantes indépendantes [ ICA] ou cartes auto-organisatrices [SOM]Séparation aveugle de source méthodes de Bootstrap, p. ex. "bagging” ou “boosting”
84.
OBJECT INSPECTION SYSTEM AND OBJECT INSPECTION METHOD
The present disclosure relates to the field of object inspection, the field of radiation scanning, the field of security inspection or other fields. Provided are an object inspection system. The system comprises: a conveying apparatus, which comprises a first conveying mechanism and a third conveying mechanism for conveying an object; a ray scanning apparatus, which comprises a second conveying mechanism configured to convey the object from the first conveying mechanism to a ray scanning area and convey the object to the third conveying mechanism; and a control apparatus, which is in communication connection with the conveying apparatus and the ray scanning apparatus, wherein the conveying apparatus, the ray scanning apparatus and the control apparatus use a unified communication protocol, and the conveying apparatus is configured to control the operation of the second conveying mechanism by means of the control apparatus. Further provided in the present disclosure are an object inspection method.
B65G 43/08 - Dispositifs de commande actionnés par l'alimentation, le déplacement ou le déchargement des objets ou matériaux
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
A baggage sorting system and sorting method, in which a detection device (I) is used for detecting a baggage state and conveying detected baggage to a baggage output area (A); when the baggage is normal baggage, a robot (1) is controlled to convey the baggage to a transfer area (C) to be transferred, and when the baggage is suspicious baggage, the robot (1) is controlled to move the suspicious baggage to a sealing inlet area (D), so that a sealing device (J) can seal the baggage.
A pushing mechanism and an inspection system are provided. The pushing mechanism includes a position-changing device (10), a driving device (20) and a guide device (30). The position-changing device includes a main plate (11) and a pushing element (12) movably disposed on a side of the main plate. The driving device is connected to the main plate and configured to drive the position-changing device to move. After the guide device is in contact with the pushing element, the pushing element may switch between a first state and a second state. A highest point of the pushing element in the first state is higher than a highest point of the pushing element in the second state.
A terahertz signal-based image collection device, an image generation system and an image generation method are disclosed. The image collection device includes: a swinging reflection plate configured to reflect terahertz wave signals emitted from a sampling region including a target to be inspected; a lens component configured to focus the terahertz wave signals reflected by the swinging reflection plate; and a radiometer array including n rows of radiometers mounted on a focal plane of the lens component, where the n rows of radiometers are configured to sample the terahertz wave signals emitted from the same height of the target to be inspected and reflected by the swinging reflection plate at intervals, where n≥2, so that the formed terahertz wave image has higher resolution and higher contrast.
A terahertz signal-based image collection method and system. The image collection method includes: providing two terahertz devices respectively on two sides of an inspection region; adjusting a posture of a swinging reflection plate of each terahertz device to reflect terahertz wave signals emitted by a target to be inspected in the inspection region, and preventing the terahertz wave signals of the target to be inspected reflected by the swinging reflection plate of one of the two terahertz devices from being incident on the swinging reflection plate of the other one of the two terahertz devices; and generating terahertz images of different sides of the target to be inspected based on terahertz signals reflected from the swinging reflection plates of the two terahertz devices.
G01N 21/3581 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge en utilisant la lumière de l'infrarouge lointainCouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge en utilisant un rayonnement térahertz
89.
METHOD FOR PREPARING OXYGEN EVOLUTION ELECTRODE, OXYGEN EVOLUTION ELECTRODE AND ELECTROLYTIC CELL
The present disclosure relates to a method for preparing an oxygen evolution electrode, an oxygen evolution electrode and an electrolytic cell. The method (100) comprises: preparing a thin film on the surface of a conductive substrate by means of magnetron sputtering, wherein the thin film at least contains a catalyst substance serving as a catalyst in an oxygen evolution reaction and a soluble substance that can dissolve in an alkaline solution (102); and making the thin film come into contact with the alkaline solution, such that the soluble substance dissolves in the alkaline solution, so that a porous catalyst layer consisting of the catalyst substance is formed on the surface of the conductive substrate, and the conductive substrate and the porous catalyst layer form an oxygen evolution electrode (104). The method of the present disclosure can improve the catalytic activity and stability of an oxygen evolution electrode, and facilitates large-scale oxygen evolution electrode preparation, and can effectively reduce the production cost and the application cost.
C25B 11/091 - Électrodes comportant des électro-catalyseurs sur un substrat ou un support caractérisées par le matériau électro-catalytique formé d’au moins un élément catalytique et d’au moins un composé catalytiqueÉlectrodes comportant des électro-catalyseurs sur un substrat ou un support caractérisées par le matériau électro-catalytique formé de plusieurs éléments catalytiques ou composés catalytiques
C25B 9/19 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes
90.
DATA PROCESSING METHOD FOR STATIC COMPUTED TOMOGRAPHY SCANNING AND DEVICE
A data processing method for static computed tomography scanning and a device are provided. The data processing method for static CT scanning includes: performing, in response to receiving a beam synchronization pulse signal, a time synchronization on N angle pulse signals and a time synchronization on N belt pulse signals by using the beam synchronization pulse signal, to obtain N synchronization angle pulse signals and N synchronization belt pulse signals, respectively; generating N timestamps based on the N synchronization angle pulse signals and the N synchronization belt pulse signals, where the N timestamps correspond to N scanning imaging systems of a static CT scanning device, respectively, and each of the N timestamps includes angle data and belt data; and packaging beam data, detection data, the angle data, and the belt data corresponding to each of the N scanning imaging systems to obtain N data packets.
G01T 1/29 - Mesure effectuée sur des faisceaux de radiations, p. ex. sur la position ou la section du faisceauMesure de la distribution spatiale de radiations
91.
METHOD AND APPARATUS FOR DETERMINING GOODS TARIFF CODE BASED ON DEEP LEARNING
The present disclosure relates to a method and apparatus for determining a goods tariff code based on deep learning. The method comprises: acquiring declaration data of declared goods; on the basis of the declaration data, determining a sub-category, for tariff code classification, of the declared goods; and determining a predicted tariff code of the declared goods on the basis of the determined sub-category. In embodiments of the present disclosure, the method can further comprise comparing the predicted tariff code of the declared goods with a declared tariff code in the declaration data to determine whether the current declaration is abnormal. A deep learning model according to the embodiments of the present disclosure can automatically predict the tariff code of the declared goods and automatically complete tariff code abnormal declaration detection.
Disclosed in the present application are an air blowing path detection apparatus and a material sorting system. The air blowing path detection apparatus is used for detecting the operation condition of an air blowing path, and comprises a pressure measurement module, a transmission assembly and a driving module, wherein the driving module is connected to the transmission assembly, and the transmission assembly is connected to the pressure measurement module; the driving module is used for driving the transmission assembly, such that the transmission assembly drives the pressure measurement module to move relative to a nozzle, thereby making the pressure measurement module align with the nozzle; and the pressure measurement module is used for collecting air pressure data at the nozzle after the pressure measurement module aligns with the nozzle, wherein the air pressure data is used for determining the operation condition of an air blowing path. An external pressure measurement module is used to detect the operation condition of an air blowing path in any operation state, without invasively detaching the air blowing path, thereby improving the efficiency of operation condition detection for the air blowing path, and thus improving the material sorting efficiency.
The present disclosure provides a CT image reconstruction method, apparatus, and system, and a storage medium. The CT image reconstruction method comprises: acquiring coordinate values of N target points on a target object at a specified moment, N being a natural number greater than 1, and the target object being an object undergoing CT scanning in a CT scanning device; by using the coordinate values of the N target points at the specified moment and coordinate values of the center of rotation of the CT scanning device, determining a deflection angle of the target object; by using the deflection angle and the coordinate values of the center of rotation, correcting coordinate values of each point in a current scanning area of the target object, so as to obtain corrected coordinate values of each point; and, by using the corrected coordinate values of each point and projection data acquired at the specified moment, obtaining a reconstructed CT image.
The present disclosure relates to a method and apparatus for automatically identifying a hazardous chemical, and a computer readable medium. The method for automatically identifying a hazardous chemical comprises: receiving data comprising chemical component information of an article; pre-processing the data; using a compound content relationship extraction model to extract from the pre-processed data a triple consisting of a compound field, a relationship field, and a content field, wherein the compound field indicates the name of a compound, the content field indicates a content proportion value of the compound, and the relationship field indicates the relationship between the compound and the content proportion value; and comparing the triple with a pre-constructed hazardous chemical dictionary to determine whether the corresponding compound is a hazardous compound.
The present disclosure provides a CT scanning imaging system based on a single linear scanning channel. The system comprises: a conveying apparatus, used for moving a subject to be scanned along a predetermined conveying direction in the single linear scanning channel; a plurality of scanning sections, each scanning section comprising a plurality of ray sources and at least one detector, the plurality of scanning sections being arranged at intervals in the conveying direction, wherein in each scanning section, the plurality of ray sources are used for alternately emitting ray beams so as to form a scanning region, the plurality of ray sources are located on one side of the scanning channel and sequentially arranged at intervals, and the at least one detector is located on the other side of the scanning channel and used for detecting projection data formed by the ray beams after passing through the subject to be scanned while the subject to be scanned traverses the scanning region; and an imaging apparatus, which, on the basis of the projection data detected by the detectors in the plurality of scanning sections, generates a three-dimensional reconstructed image of the subject to be scanned.
G01V 5/226 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques utilisant la tomographie
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
A computed tomography (CT) scanning system, comprising: a conveying apparatus (3), which moves a scanned object (30) in a scanning channel (31) in a conveying direction; a distributed ray source (1), which comprises m targets (10), wherein the m targets (10) are activated according to a predetermined order so as to emit ray beams, with m being a positive integer greater than or equal to two, a ray beam emitted from at least one target (10) from among the m targets (10) is modulated into a first ray beam having a first energy, and a ray beam emitted from at least another target (10) from among the m targets (10) is modulated into a second ray beam having a second energy, the first energy being lower than the second energy; a detector array (2), which is used for detecting that the first ray beam passes through the scanned object (30), so as to generate first projection data, and detecting that the second ray beam passes through the scanned object (30), so as to generate second projection data; and an image reconstruction apparatus (4), which generates a CT scanned image of the scanned object (30) on the basis of the first projection data and the second projection data, wherein the distributed ray source (1) is configured to rotate around a first axis when the scanned object (30) is being scanned, the first axis being parallel to the conveying direction.
G01N 23/046 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
The present disclosure provides a computed tomography (CT) scanning system, comprising: a conveying device, used for moving an object to be scanned in a scanning tunnel in a preset conveying direction; a distributed ray source, wherein the distributed ray source comprises m targets, the m targets are configured to be activated according to a predetermined sequence to emit ray beams, and m is a positive integer greater than or equal to 2; a detector array, used for detecting rays emitted from the distributed ray source and passing through said object, and generating projection data on the basis of the detected rays; and an image reconstruction device, configured to generate a CT scanning image of said object on the basis of the projection data, wherein the distributed ray source is configured to rotate around a first axis when said object is scanned, the first axis being parallel to the conveying direction; and in the distributed ray source, at least two targets among the m targets are offset in a tangential direction, the tangential direction being a direction extending along a tangent line tangent to the rotation direction of the distributed ray source.
G01N 23/046 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
A CT scanning system, comprising: a conveying device (3), used for allowing a scanning object (30) to move in a preset conveying direction in a scanning channel (31); p scanning segments, each scanning segment comprising a distributed ray source (1) and a detector array (2), the p scanning segments being spaced apart in the conveying direction, p being a positive integer greater than or equal to 2, in each scanning segment, the distributed ray source (1) comprising m targets, the m targets being configured to be activated in a predetermined order so as to emit ray beams, m being a positive integer greater than or equal to 2, and the detector arrays (2) being used for detecting rays emitted from the distributed ray sources (1) and passing through the scanning object (30), and generating projection data on the basis of the detected rays; and an image reconstruction device (4) for generating a computed tomography image of the scanning object (30) on the basis of the projection data detected by each detector array (2) in the p scanning segments. The distributed ray source (1) of at least one scanning segment is configured to rotate about a first axis parallel to the conveying direction when the scanning object (30) is scanned.
G01N 23/046 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux en utilisant la tomographie, p. ex. la tomographie informatisée
A linear scanning computed tomography (CT) imaging system, comprising: a conveying apparatus (3), used for enabling an object (30) under scan to move in a preset conveying direction (D3) in a scanning channel (4); ray sources (1), used for alternately emitting ray beams to form a scanning area; detectors (2), including first detectors (21) and a second detector (22), wherein the first detectors (21) are used for detecting first projection data formed by the ray beams passing through said object (30) in the process of said object (30) passing through the scanning area, and the second detector (22) is used for detecting second projection data formed by the ray beams passing through said object (30) in the process of said object (30) passing through the scanning area; and an imaging apparatus (5), used for generating a digital ray image of said object (30) on the basis of the second projection data, and obtaining a CT scanning image of said object (30) on the basis of the first projection data and the second projection data. Also provided is a linear scanning CT imaging method.
The present disclosure provides a ray protection device and a radiation inspection system. The ray protection device comprises: a mobile bearing device, including a vehicle frame and a traveling device supporting the vehicle frame to drive the vehicle frame to travel in a first direction; and a protection wall, arranged on the vehicle frame and including a movable wall which is movable relative to the vehicle frame. The movable wall has a shielding position and a retracting position; at the shielding position of the movable wall, the protection wall has first projection area in a vertical plane parallel to the first direction; and at the retracting position of the movable wall, the protection wall has second projection area in the vertical plane, where the first projection area is larger than the second projection area.
G21F 5/14 - Dispositifs spécialement adaptés à la manipulation de récipients ou de barils, p. ex. dispositifs de transport
G01V 5/22 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques
G01V 5/222 - Interrogation active, c.-à-d. par irradiation des objets ou des biens à l’aide de sources de rayonnement externes, p. ex. en utilisant des rayons gamma ou des rayons cosmiques mesurant les rayons diffusés
G21F 5/04 - Moyens pour commander l'exposition, p. ex. la durée, la dimension de l'ouverture
