44 results about "Camera placement" patented technology

The invention provides a 0.6-meter wind tunnel infrared test section. The 0.6-meter wind tunnel infrared test section comprises a rack car; the frame is arranged at the top of the rack car and slidably connected with the rack car, and positioning pin structures are arranged at the two ends of the frame respectively; the test area hole wall assembly is arranged in the frame and is in sliding connection with the frame, the test area hole wall assembly can be moved out of the frame, a positioning connecting piece is arranged on the test area hole wall assembly, and the positioning connecting piece is connected with the frame; the support area hole wall assembly is fixedly arranged in the frame; the model bracket comprises a support and a semi-curved knife, and the support is fixedly connected with the rack car; the semi-curved knife movably penetrates through the bottom of the bracket area hole wall assembly; the upper end of the half-bent knife is used for installing a model. The test area hole wall assembly can be drawn out from the test section, and germanium glass of the lower wall plate of the test area is prevented from being damaged when the model is installed; the model support adopts a half-curved knife form, the upper end of the half-curved knife is not connected with the test area upper wall plate, the space above the test area upper wall plate is not occupied, the camera arrangement requirement is met, and the device is suitable for a wind tunnel infrared test.

The embodiment of the invention discloses a camera arrangement evaluation method and device based on operation data and a medium. The method comprises the steps that a three-dimensional space model of a to-be-evaluated area is acquired and visually displayed, and a virtual monitoring scene is generated; in response to an adding operation of camera point locations, displaying a visible range of each camera in the virtual monitoring scene in an overlapping manner; in response to an import operation of historical operation data, superposing and displaying a thermodynamic diagram of historical people flow density and / or work order density in the virtual monitoring scene; according to a superposition display result, determining a coverage condition of the camera on the people flow density and / or the work order density; and evaluating the point location layout of the camera according to the coverage condition. According to the embodiment of the invention, intelligent and precise camera arrangement evaluation is realized.

The utility model provides an automobile part surface detection tool, which relates to the technical field of automobile part surface appearance defect detection, and comprises a mounting frame, a horizontal telescopic piece, a vertical telescopic piece, a first visual camera, a second visual camera, a placement plate, a through hole, a plugging assembly and a clamping assembly, according to the device, when visual appearance detection is carried out on the upper surface and the lower surface of the automobile part, only feeding and discharging are needed, the automobile part does not need to be fixed or turned over, and clamping and releasing of the automobile part are automatically completed; meanwhile, appearance defect detection of the upper surface and the lower surface can be automatically and accurately completed by means of the two visual cameras on the basis that the surface is not turned over, the using effect of the surface detection tool for the automobile parts is better, and the automation degree is improved.

The embodiments of this specification disclose a point cloud calibration method, device and medium for a robot depth camera, the method comprising: placing the depth camera in a ground observation environment, controlling the robot coordinate system and the depth camera coordinate system to perform step iterations of a first rotation increment and a second rotation increment, respectively, to determine a first calibration rotation increment and a second calibration rotation increment; performing step iterations of a third rotation increment on the depth camera under the first calibration rotation increment and the second calibration rotation increment, to obtain a third calibration rotation increment of the depth camera; obtaining the median value of the vertical coordinates in each ground point cloud data collected by the depth camera, to obtain a first calibration displacement increment of the depth camera; placing the depth camera in a preset target observation environment, to determine a second calibration displacement increment and a third calibration displacement increment of the depth camera based on a preset adjustment strategy, to achieve calibration of the depth camera according to a relative angular coordinate relationship and a relative coordinate relationship.

The present disclosure generally relates to methods, systems, and user interfaces for camera placement and physical movement capture and methods, systems, and user interfaces for camera-based assessment of physical movement using a computer system.

An exemplary embodiment relates to a camera arrangement for vehicle object detection and avoidance. [Solution] An exemplary system includes a vehicle and at least one camera of a first camera type mounted on the vehicle. The system also includes a plurality of cameras of a second camera type mounted on the vehicle. Furthermore, the system includes a plurality of cameras of a third camera type mounted on the vehicle. The system also includes a computing device communicatively coupled to the at least one camera of the first camera type, the plurality of cameras of the second camera type, and the plurality of cameras of the third camera type. The computing device is configured to identify objects located within a first distance range from the vehicle, objects located within a second distance range from the vehicle, and objects located within a third distance range from the vehicle.

A quantitative phase contrast imaging system comprises a light source configured to generate light and to direct the light to a sample, wherein the light comprises nonlinearly polarized light; a first lens configured to receive light from the sample; a phase filter, wherein the first lens is configured to focus the light from the sample onto the phase filter, and the phase filter is configured to modulate multiple components of the nonlinearly polarized light simultaneously (e.g., geometric phase interferometry); a second lens configured to receive light from the phase filter; and a polarized camera, wherein the second lens is configured to collimate the light beam from the phase filter to the polarized camera and the polarized camera is configured to image the sample in response to the light from the phase filter. In absence of the second lens, the camera can be placed at the image plane.

We provide a camera placement optimization system that optimizes the placement of cameras to image a desired target. [Solution] The virtual space construction unit constructs a 3D virtual space that mimics the behavior of the real world. The pseudo-light placement unit places pseudo-lights, which are light sources that illuminate an area equivalent to the camera's field of view, at candidate camera placement locations in the 3D virtual space. The imaging range identification unit emits light from the placed pseudo-lights and generates range identification information that represents the area illuminated by the light and the object to be imaged. The placement optimization unit optimizes the placement of the pseudo-lights based on the range identification information and identifies the optimized pseudo-light placement as the camera placement.

This utility model discloses a fault detection device for a current transformer, belonging to the technical field of detection devices. This fault detection device includes a support assembly, a fault detection assembly, a visual inspection assembly, and a discharge assembly. The fault detection assembly is positioned above the support assembly, while the visual inspection assembly and the discharge assembly are respectively positioned outside the support assembly. The support assembly includes a support platform with a circular hole on one side. A placement platform is installed inside the circular hole, with its upper end extending outside the hole. The placement platform is transparent. The visual inspection assembly includes a first bracket and a second bracket, respectively positioned at the upper and lower ends of the support platform. A first industrial camera is installed inside one end of each of the first and second brackets. A geared ring is connected to the upper end of the placement platform via a bearing. A vertical plate is installed on the top surface of the geared ring, and a second industrial camera is installed inside the vertical plate.

The utility model discloses a converter smelting monitoring device, and belongs to the technical field of converter steelmaking. According to the utility model, the industrial camera is adopted to collect images in the smelting process of the converter at three specific positions, the industrial camera is placed in the protection device, the protection device can be used for preventing high temperature and dust and protecting the industrial camera, and the images collected by the industrial camera are processed by the image processing module; processed images are transmitted to the display device through the industrial personal computer to be displayed, and in addition, the converter smelting state collected by the data collection module is used for controlling switching or on-off of the industrial camera. The converter mouth flame image monitoring device is simple in structure and reliable in operation, can continuously monitor the converter mouth flame image, the converter mouth slag flow state and the converter lining form in the converter, and avoids the situation that an additional operator needs to go to the front of the converter or a tapping position for observation in the deslagging stage and the tapping stage of the converter.

The invention relates to a tracking system (100) for illuminating a performer (12) at a tracked position (T) of a performance environment (10) with a light beam from a directable light beam generator, comprising: a camera input (120) for receiving a camera stream (125) from a camera arranged to observe the performance environment, where the camera stream represents a 2D view (127) of the performance environment presented by the camera; a display output (130) for outputting a display stream (125); and a controller (110) arranged to: acquire (210) a camera placement (30) of the camera relative to the performance environment; acquiring (215) a camera orientation ([theta]) of the camera relative to the performance environment; acquiring (255) an orientable beam generator placement (20, 20 ') of the orientable beam generator relative to the performance environment; acquiring (260) an orientable beam generator orientation ([theta]) of the orientable beam generator relative to the performance environment; receiving (230) a camera stream from a camera input; acquiring a tracked position; calculating (265) a 2D projection of the light beam at the tracked location based on the tracked location, the camera placement, the camera orientation, the orientable beam generator placement, and the orientable beam generator orientation; inserting (270) a beam indicator (190, 190 ', 191) for indicating the 2D projection of the beam in the camera stream to generate a display stream, and providing (250) the display stream to a display output.

The invention relates to the technical field of camera production, and discloses a clamping control method and system for detecting a camera, and the method comprises the steps: collecting image data of a clamping device, recognizing the preprocessed image data based on a convolutional neural network, determining the type of the camera, and selecting a corresponding data set, judging whether the camera placement angle in the image data is correct or not, and starting a clamping device to perform clamping operation when judging that the camera placement angle is correct; stress values of all stress points of the camera in the clamping operation process are collected in real time, and when a certain stress point of the camera reaches the corresponding stress threshold value, the clamping device executes clamping operation again; and when all the stress points of the camera do not reach the threshold values of the corresponding stress points and the clamping opening degree reaches the set value of the clamping opening degree, the clamping work is completed. According to the invention, the camera is prevented from being damaged due to improper clamping, and the product damage rate is reduced.

The utility model discloses a device for testing the focus of an X-ray bulb tube, which comprises a support base and a test support, the test support is fixed on the support base, the height and the angle of the test support can be adjusted, a dental film base is arranged on the test support, a handle is arranged on the dental film base, and the test support is fixed on the support base. A height fixing knob is arranged on one side of the test bracket; the slit camera is placed on an X-ray path; the dental film is positioned on the dental film base; a computer; the X-ray image processing system has the advantages that by means of optimized hardware design and advanced software control, the aims of being efficient, accurate, easy to use, high in adaptability and high in cost effectiveness are achieved, and the X-ray image processing system has wide application prospects and market value.

A tracking system for illuminating with a light bundle from a directable light bundle generator a performer at a tracked location on a performance environment. A camera input is to receive a camera stream from a camera arranged for viewing on the performance environment, and a display output is to output a display stream. A controller is configured to: obtain a camera placement of the camera relative to the performance environment, obtain a camera orientation of the camera relative to the performance environment obtain a directable light bundle generator placement of the directable light bundle generator relative to the performance environment, obtain a directable light bundle generator orientation of the directable light bundle generator relative to the performance environment, receive the camera stream from the camera input, obtain the tracked location, calculate a 2D projection of the light bundle at the tracked location based on the tracked location, the camera placement, the camera orientation, the directable light bundle generator placement and the directable light bundle generator orientation, insert a light bundle indicator for indicating the 2D projection of the light bundle in the camera stream for generating the display stream, and provide the display stream to the display output.

The radiotherapy device comprises a rotatable gantry, a support surface and a plurality of cameras. The rotatable gantry comprises a front 250, a rear 260 and a bore 180. The support surface 110 is mo

The invention provides an auxiliary assembly positioning method and system for a helicopter lift force system. The method comprises the steps that auxiliary assembly racks are installed on a main propeller hub and a designated supporting arm of an automatic inclinator correspondingly; the target balls are installed on the main propeller hub, all supporting arms of the automatic inclinator and fork lug bolt connecting holes correspondingly; the target balls are installed on a main shaft, a cartridge receiver and supporting legs of the main speed reducer; a binocular vision scanning camera is placed on the side of the assembly area; the attitude tracking system locates the position of the workpiece and establishes a digital twin model; the path planning system determines an assembly path based on a digital twin model; the binocular vision scanning camera and the target ball are combined with the attitude tracking system, so that time domain and space domain information of the main speed reducer, the main propeller hub and the automatic inclinator can be collected and analyzed in real time, and position attitudes of the main speed reducer, the main propeller hub and the automatic inclinator are analyzed; the positioning precision is improved, the assembling and positioning time is shortened, and the safety is improved.

The camera shooting equipment storage box with the protection structure comprises a box body, a dividing mechanism is arranged at the bottom end of the interior of the box body, a camera placing mechanism is arranged on the left side of the upper end of the interior of the box body, and a right storage mechanism is arranged on the right side of the upper end of the interior of the box body; the camera placing mechanism comprises a placing box, the inner wall of the placing box is fixedly connected with a protective cotton frame, the bottom end of the placing box is provided with a plurality of groups of clamping holes, clamping blocks are clamped in the clamping holes, and the upper ends of the clamping blocks are fixedly connected with lens partition plates; during use, a camera and a lens are placed on the two sides of a lens partition plate respectively, the position of the lens partition plate can be adjusted through clamping of the lens partition plate and a clamping hole before the camera and the lens are placed, after the camera and the lens are placed, a camera placing mechanism is covered, meanwhile, an object with high hardness can be placed in a right storage mechanism, and the camera and the lens are placed in the right storage mechanism. And the dividing mechanism can separate and protect the bottom end placing area and the upper end of the box body.

The unmanned aerial vehicle arm folding storage type camera anti-impact bracket comprises an unmanned aerial vehicle body and a camera, fixing plates are arranged below the two ends of the center of the bottom of the unmanned aerial vehicle body, a plurality of sets of fixing columns are fixed to the tops of the fixing plates, and the fixing columns are fixed to the bottom of the unmanned aerial vehicle body; a supporting plate for placing a camera is installed at the bottom of the fixing plate, and the camera is placed on the top of the supporting plate. The unmanned aerial vehicle body, the fixing plate, the rubber protection pad, the supporting plate, the camera, the rear baffle, the sliding plate, the sliding groove, the positioning cover and other parts are used in cooperation to form a bracket used for placing the camera, meanwhile, the arranged flow guide rod is matched with the positioning cover with the arc-shaped edge, so that the pressure of wind impact of the bracket is reduced, and the service life of the camera is prolonged. And the wind impact resistance effect of the bracket is further improved.

The present invention provides a method for improving the performance of an optical waveguide module using pixel compensation. The method comprises: step S1: obtaining a camera and an optical waveguide module to be tested, placing the camera at the exit pupil position of the optical waveguide module, and importing a target image into the camera; step S2: lighting up multiple LED panels of an optical machine in the optical waveguide module multiple times; step S3: comparing and analyzing the display images of multiple colors obtained by lighting up multiple LED panels captured by the camera multiple times with the target image, and obtaining the comparative analysis results; step S4: calculating the pixel coordinate point deviation based on the comparative analysis results, dividing the full pixel area of ​​the multiple LED panels into an effective display area and a correction area, and selectively lighting and shutting down the pixels in the correction area based on the pixel coordinate point deviation to reduce the pixel coordinate point deviation. The present invention solves the problem in the prior art that the optical machine position deviation of the optical waveguide module affects the performance stability.

The present invention provides a system and method for dynamic multi-point calibration of a scanning camera at different angles. The scanning camera is placed at the center of a two-dimensional turntable platform, and a surface source blackbody is placed at a specific angle position within the scanning field of view of the scanning camera. During dynamic rotation scanning, the scanning mirror of the scanning camera sequentially scans the surfaces of the high-temperature blackbody, the surface source blackbody, and the low-temperature blackbody on the satellite, thereby obtaining calibration radiation information of the blackbody on the satellite and the surface source blackbody. A calibration image is acquired by a calibration acquisition system, and the image data is processed to obtain the calibration coefficient at the angle position. The two-dimensional turntable drives the scanning camera to rotate as a whole, causing the relative position of the surface source blackbody and the scanning camera to change. During dynamic rotation, the scanning mirror scans the surface source blackbody at a new angle position, and the above calibration image acquisition and processing process is repeated to obtain the calibration coefficient at the new angle position. Polynomial fitting is performed on the calibration coefficients at multiple different angle positions to obtain the calibration coefficient fitting result at any angle position.

The invention relates to the technical field of mine detection frames, and particularly discloses a detection frame for mines, which comprises a connecting chassis, a supporting device is arranged on the surface of the connecting chassis, a detection assembly placing and adjusting device is arranged at the top of the connecting chassis, and a closed protection device is arranged at the top of the detection assembly placing and adjusting device. The detection assembly placement adjusting device comprises a camera placement assembly and a vertical test equipment adjustment angle display assembly. According to the invention, a detection assembly placement adjusting device is arranged, and a mounting bolt is screwed into a bottom end limiting connecting ring, so that a placement circular bottom plate is mounted, a camera can be mounted in a camera placement block during use, a pointer can slide in a manner of being attached to an inner ring of a scale ring, and the rotation angle of the camera can be known during adjustment. The vertical tester has the characteristics that the practicability is high, the limiting can be carried out, the sliding stability is ensured, and the rotation adjusting angle and the up-and-down swinging adjusting angle of the vertical tester can be known.

This utility model discloses a portable ocular surface imaging device, relating to the field of clinical testing technology. The portable ocular surface imaging device includes a housing with an opening on one side for placing a camera inside the housing, and a Placido disk assembly. The Placido disk assembly includes a Placido disk mounted on the housing and is conical in shape. The top of the Placido disk has a through hole, and the lens of the camera is located within the projected area of ​​the through hole. By reducing the overall size of the housing, the operator can hold the device with one hand during the imaging process, making it more portable and flexible in different environments. It is more suitable for clinical examinations or home use, reducing the user's cost and difficulty of use.

TITLE: Method for determining magnification for analyzing at least one geological sample, associated method and apparatus. The present invention relates to a method for determining magnification for analyzing at least one geological sample (24) which comprises the following steps: - placing a calibration card (17) comprising at least one two-dimensional marker (26) on a sample holder (16), - placing a camera (30) above the sample holder (16), - activating the camera (30) to take an image of the sample holder (16) including the calibration card (17), - activating a calibration system (38) to perform the following substeps: reading the image taken by the camera (30); identifying at least one two-dimensional marker (26) present on the image; determining at least one characteristic dimension of at least one two-dimensional marker (26) on the image;calculation of a magnification using a characteristic dimension determined on the image and a corresponding physical dimension of the two-dimensional marker (26). Figure for the abstract: figure 1;

The utility model discloses a reinforced concrete beam shear crack motion measuring device, which comprises a camera, a data acquisition system and a loading device, two steel columns are vertically arranged above a steel base, an upper cross beam and a lower cross beam are connected between the two steel columns, a jack is arranged below the upper cross beam, and the data acquisition system is connected with the loading device. The acting force is downwards and vertically applied to the distribution beam through the loading head; the distribution beam transmits load to the test beam through the two distribution supports, the test beam is placed on the two supporting supports of the lower cross beam steel base, and the camera is placed at the front end of the test beam and connected with the data acquisition system. A distribution support in the loading device adopts a roll shaft and can rotate bidirectionally, and a loading head adopts a hemispherical hinge and can rotate freely. The device is novel in measurement mode and convenient to use, the motion state of the shear crack of the reinforced concrete beam can be accurately obtained, and an analysis basis is provided for quantification and evaluation of contribution of various anti-shear components to the anti-shear bearing capacity.

The utility model discloses convexity measuring equipment arranged on a hot mill, and relates to the technical field of steel production equipment. Comprising a high-voltage X-ray tube located on a first supporting frame and used for generating X-rays; the ray detection array is located on the second supporting frame and used for receiving the X rays penetrating through the detected strip steel; the grating projection system is used for forming a grating array on the surface of the strip steel; the Moire camera is used for shooting the shape of the grating line in real time and obtaining the straightness and width of the strip steel according to the change and shape of the grating line; the upper part of the sliding frame body is a box body, and the lower part is a C-shaped frame; the high-voltage X-ray tube, the grating projection system and the Moire camera are placed in the box body, and the ray detection array is located on the C-shaped frame. By measuring the straightness and width of the strip steel in real time, problems in the production process can be found in time, unqualified products are avoided, the rejection rate is reduced, and the production cost is reduced.

Process for locating emission detecting camera(s) at a worksite. The process can include creating a site model, completing a camera coverage calculation loop that can include choosing a first camera location from the site model, and completing a source calculation loop to provide a plurality of coverage values of the first camera location for a plurality of potential emission sources in the site model. The process can also include calculating a coverage ratio from the plurality of coverage values to provide a first coverage ratio. The process can also include repeating the camera coverage calculation loop for an additional potential camera location from the site model to provide a plurality of coverage ratios. The process can also include creating an ordered list of the potential camera locations based on the coverage ratios. The process can also include choosing a camera position at the worksite from the ordered list.

This invention discloses a kitchen management method based on AI behavior recognition, belonging to the field of food safety monitoring technology. Aiming at compliance in commercial kitchens, it proposes an end-to-end solution centered on topological priors: mapping the kitchen topology to a risk potential field, jointly optimizing camera placement and model receptive fields, implementing hierarchical desensitization at the edges and completing spatiotemporal integrated calibration; using a three-element gating system of action-object-region, superimposing contact intensity and thermal imaging evidence, and jointly encoding the skeleton and object trajectory; injecting the recognition results into a knowledge graph, triggering conflict-based open sets and generating evidence packages containing timestamps and transparent logs; forming evidence strength based on visual sensing consistency, driving linkage through dual-threshold fault tolerance bands and online write-back recalibration; and improving cross-store generalization through federated distillation and topological alignment synthesis. This solution reduces false alarms and background noise without changing hardware, stabilizes judgment boundaries, reduces false cutoffs and missed cutoffs, and ensures auditable and traceable evidence.

The present invention relates to the field of optoelectronic imaging, in particular to the field of ultra-high spatial resolution imaging. The present invention discloses a chessboard constellation optical pupil interferometry high-resolution computational imaging method. The method adopts a chessboard constellation high-density data acquisition system to achieve high-density sampling of the modulus G of the complex coherence coefficient μ(u, v) of the object light, and then combines the phase recovery (also known as phase recovery) algorithm and the image reconstruction algorithm to obtain a clear image of the object light. For ultra-large aperture optical telescopes that far exceed the rocket envelope, low, medium and high frequency cameras can be placed on different rocket satellite platforms, launched into orbit in batches, and reorganized in orbit to obtain an equivalent large optical aperture imaging optical system. Its equivalent aperture breaks through the rocket envelope limit and can be expanded to 10 meters, or even larger.

The utility model discloses a household safety comprehensive monitoring and early warning device, which relates to the technical field of household safety comprehensive monitoring and early warning devices and comprises a placing base. A damping rotating disc is rotatably mounted on the upper surface of the placing base, a supporting plate is arranged on the upper surface of the damping rotating disc, a safety monitoring and early warning camera is rotatably mounted on the upper surface of the inner wall of the supporting plate, supporting blocks are arranged on the outer surfaces of the two sides of the placing base, and first rotating shafts are rotatably mounted on the upper surfaces of the supporting blocks. Compared with the existing common household safety comprehensive monitoring and early warning equipment, the household safety comprehensive monitoring and early warning equipment has the advantages that the safety monitoring and early warning camera is arranged, so that the safety of the interior of a room can be monitored through the camera when the equipment is used at home; and through the arrangement of the threaded rod, the suction cup can be driven to make contact with the ground in a spiral transmission mode, so that the placement base is fixed, and the placement stability of the safety monitoring and early warning camera is ensured.