134 results about "Ir camera" patented technology

This invention relates to the field of precision alignment technology, specifically to an astigmatic differential confocal alignment system and method capable of synchronous imaging. The astigmatic differential confocal alignment system includes: an astigmatic differential confocal optical path system and an imaging optical path system sharing the same objective lens; the astigmatic differential confocal optical path system includes a laser, a collimating and expanding beam system, a polarizing beam splitter cube, a quarter-wave plate, a long-pass filter, a short-pass dichroic mirror, an objective lens, a non-polarizing beam splitter cube, a plano-convex cylindrical lens, and two four-quadrant photodetectors connected in sequence; the imaging optical path system includes a visible light point source, a beam splitter, a short-pass dichroic mirror, an objective lens, a sleeve lens, and a camera connected in sequence; the two optical path systems are coaxial and synchronized. When the defocus error signal FES crosses zero, the camera synchronously acquires a clear morphological image of the surface of the sample under test, achieving synchronization of alignment and imaging.

The application provides a reflective imaging module and a reflective imaging device. The reflective imaging module comprises a shell, an LED light source, a mirror, an objective lens, an SPR chip unit and a camera. The LED light source is integrated on the outer side of the shell and is used for outputting light. The mirror is arranged in the shell in an inclined direction and is used for receiving the light output by the LED light source. The objective lens is connected to the shell and is used for receiving the light reflected by the mirror. The SPR chip unit is arranged on one side of the shell and comprises a transparent cover plate and an SPR chip. The transparent cover plate is arranged on one side of the SPR chip, and the SPR chip receives the light converged by the objective lens. The camera is arranged on the other side of the shell and is used for shooting the SPR chip unit and collecting a color picture. The shell is integrated with the LED light source, the mirror and the objective lens, the miniaturized design is realized, the mutual spacing between the shell and the LED light source, the mirror and the objective lens is avoided, and the occupied space of the reflective imaging module is reduced.

The utility model discloses a visual PIN needle detection equipment, including test board, the fixture seat of setting on test board and the CCD subassembly of setting on the fixture seat top, the CCD subassembly includes the coaxial light source, telecentric lens and CCD camera who sets gradually in vertical direction away from fixture seat, and CCD camera, telecentric lens and coaxial light source are on the same axis, and the light shield of setting the back and two side masks of test board is provided with on test board, and the connecting interface is provided with on test board, and the fixture seat includes the base and the positioning fixture of detachable setting on the base, and the positioning fixture is used for positioning installation detected component, and the support plate for supporting base is provided with on test board, and the sensor is provided with on the both sides of positioning fixture of support plate. The utility model discloses reasonable in structure design, and through the visual configuration of CCD camera + telecentric lens + coaxial light source, can realize to PIN needle and carry out detection, and thoroughly solved the problem that PIN needle is easy to wear in other detection mode among existing.

Methods and apparatus for transmission of volumetric images in the MPI format. According to an example embodiment, texture and alpha layers of multiplane images are packed, as tiles, into a sequence of video frames. The sequence of video frames is then compressed to generate a video bitstream, which is transmitted together with a metadata bitstream specifying at least the parameters of the packing arrangement for the tiles in the sequence of video frames. Example packing arrangements include various selectable spatial and temporal arrangements for texture layers, alpha layers, and camera views. In some examples, the metadata bitstream is implemented using a SEI message and includes parameters selected from the group consisting of a size of the reference view, the number of layers in the multiplane image, the number of simultaneous views, one or more characteristics of the packing arrangement, layer merging information, dynamic range adjustment information, and reference view information.

An optical lens assembly (1), comprising a first lens element (11), the first lens element (11) comprising a first structural portion (110) and a first optical portion (111), and the first structural portion (110) extending outwardly from the first optical portion (111); and further comprising a second lens component (20), the second lens component (20) comprising a second lens element (21) and a second lens barrel (22), wherein the second lens element (21) is mounted in the second lens barrel (22), the second lens element (21) is bonded to the second lens barrel (22) by means of adhesive provided on an outer side of the second lens element (21), and the first lens element (11) is mounted on the second lens component (20) by means of the first structural portion (110), so that when a clamping mechanism clamps the first lens element (11) for active alignment, the adjusting action is more accurate, and the efficiency of active alignment assembly is higher.

A resilient image capture system and method of use is described. Embodiments of the system can be implemented to calibrate a display device in non-ideal lighting environment. The system can implement one or more methods to aid in calibrating the display device in the non-ideal lighting environment. A first method can be implemented to map UV coordinates between a display device and a camera.

The application relates to the technical field of computers and discloses a three-dimensional structure and pose generation method, device, equipment, medium and product. The method comprises the following steps: acquiring a first image and image features of the first image, and acquiring a first three-dimensional structure representation and a first transformation token; the image features, the first three-dimensional structure representation and the first transformation token are injected into a feature interaction module of a third model to obtain a first three-dimensional feature, a first two-dimensional feature and a first transformation parameter; and the first three-dimensional feature and the first two-dimensional feature are aligned by using the first transformation parameter to generate a three-dimensional structure and a camera pose. Thus, joint optimization for three-dimensional structure generation and camera pose estimation is realized, which is beneficial to improving the estimation accuracy of the camera pose and the reconstruction quality of the three-dimensional structure, so that the three-dimensional structure can be aligned with the first image at a pixel level when the three-dimensional structure is projected back to the first image of the original visual angle, thereby ensuring the visual representation consistency of the three-dimensional structure and the first image for a first object.

The application discloses a calibration method, device, and electronic equipment and medium. It belongs to the technical field of communication. An embodiment of the method comprises: obtaining time information, geographical position information, and camera attitude information; determining astronomical parameters of a target celestial body based on the time information and the geographical position information; determining a positional relationship between the target celestial body and an imaging picture of the camera based on the astronomical parameters and the camera attitude information; and calibrating a first celestial body identification result of the imaging picture based on the positional relationship.

The present invention provides a three-dimensional reconstruction method and system. The method comprises: using a first image set of an object to be reconstructed collected by a camera to obtain distortion coefficients and camera intrinsic parameters; by means of the distortion coefficients, performing distortion correction on first images comprised in the first image set, to obtain a second image set; calculating a sparse point cloud, and calculating camera extrinsic parameters and first depth maps of second images comprised in the second image set; removing outliers from the first depth maps; inputting the first depth maps from which the outliers have been removed into a depth completion network model for depth completion, so as to obtain optimized second depth maps; and on the basis of depth information of the second depth maps, the camera intrinsic parameters, the camera extrinsic parameters, and the sparse point cloud, constructing a final three-dimensional model of said object. In the present solution, more complete second depth maps are obtained by means of an outlier removal operation and a depth completion network model, and then the second depth maps are used to construct a final three-dimensional model, thereby improving the dense reconstruction precision and the three-dimensional reconstruction effect.

Provided in the present disclosure are a silicon photonics wafer test apparatus and a test method therefor, and a silicon photonics wafer test system. The silicon photonics wafer test apparatus comprises a camera assembly and a deflection optical path assembly; a prober for carrying a silicon photonics wafer; a fiber coupling module; and a driving assembly. When the driving assembly moves the silicon photonics wafer into the imaging field of view of the camera assembly, the camera assembly is adjusted such that the coordinate system is parallel to scribe lines of the silicon photonics wafer; when the driving assembly moves the deflection optical path assembly into the imaging field of view of the camera assembly, the camera assembly captures lateral images of a fiber end from at least two different directions via the deflection optical path assembly. The fiber coupling module is used for adjusting the pose of the fiber end on the basis of the lateral images and the direction of the coordinate system of the camera assembly, enabling initial alignment between the fiber end and the silicon photonics wafer. The present disclosure reduces the operational difficulty of alignment coupling between the fiber end and a silicon photonics waveguide, thereby simplifying the apparatus structure and reducing apparatus costs.

The application belongs to the technical field of unmanned aerial vehicle intelligent inspection, and more particularly relates to a high-precision three-dimensional map construction method and system based on multi-modal feature fusion unmanned aerial vehicle inspection. The method comprises the following steps: acquiring and synchronizing point cloud data and image data, then converting the laser radar point cloud data to the camera coordinate system, and then performing noise reduction processing and distortion correction; dynamically distributing radar and camera sensor weights according to the environmental light intensity and point cloud density; extracting radar point cloud features and camera visual features, then distributing the corresponding features according to the radar and camera sensor weights, and finally performing multi-modal fusion to obtain fusion features; and performing joint SLAM three-dimensional mapping according to the fusion features to generate a three-dimensional map. The application solves the problems of insufficient sensor complementarity, poor environmental adaptability and low map precision in traditional inspection.

1. The name of the design product: a camera on a gimbal. 2. The use of the design product: including a gimbal and a camera, which can be mounted on a movable platform such as a toy car to adjust the posture, and play the role of multi-angle photography, video recording, and taking pictures. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application provides a three-dimensional scene reconstruction method, an electronic device and a storage medium, and relates to the field of three-dimensional reconstruction. The method comprises the following steps: acquiring a panoramic image, panoramic camera lens parameters used for shooting the panoramic image and camera pose information; generating three-dimensional depth information by using the panoramic image, and initializing a Gaussian kernel set in a three-dimensional space according to the three-dimensional depth information; in the three-dimensional space, determining a field of view overlap region between a current frame panoramic image and a previous frame panoramic image according to the camera pose information, determining a lens overlap region by using the panoramic camera lens parameters, and determining a dynamic change region by using the current frame panoramic image and the previous frame panoramic image; updating parameters of Gaussian kernels in the Gaussian kernel set located in the field of view overlap region, the lens overlap region and the dynamic change region by using the current frame panoramic image, so as to construct a three-dimensional Gaussian splatting model; and performing three-dimensional scene reconstruction by using the three-dimensional Gaussian splatting model.

The utility model discloses an integrated electric timing instrument comprising a housing, the housing comprises a middle housing and a front cover installed on the middle housing, and the front cover is provided with a light inlet hole; the shooting assembly is arranged in the shell, the shooting assembly comprises a camera and a lens group installed on the camera, and one end of the lens group is installed in the light inlet hole; the camera is arranged in the shell, the main control module is arranged in the shell, the main control module comprises a main control board and a timing module electrically connected with the main control board, and the camera is electrically connected with the main control board. According to the utility model, the lens group and the camera are arranged in the shell and are integrally installed, the shell protects the lens group and the camera, the lens group and the camera do not need to be independently disassembled when not in use and do not need to be stored by other special storage articles, the lens group and the camera are integrally designed and can be used after being taken, the lens group and the camera are protected through the shell, one end of the lens group is installed in the light inlet hole of the front cover, and the lens group and the camera are convenient to use. And the stability is improved.

Disclosed are a privacy cover for the camera, and a camera. The privacy cover for the camera includes: a housing, where the housing is provided with a photographing hole and an accommodation cavity; a lifting mechanism, where the lifting mechanism is arranged in the accommodation cavity; a first magnetic member, where the one or more first magnetic members are arranged on the lifting mechanism, and located between the lifting mechanism and an inner wall of the housing; and a shielding cover, where an inner wall of the shielding cover is fixedly provided with a second magnetic member attached to the one or more first magnetic members; where the shielding cover is slidably arranged on an outer wall of the housing, and slides along the housing according to lifting of the one or more first magnetic members to shield the photographing hole or avoid the photographing hole.

The application relates to the technical field of submarine cable laying, and particularly discloses a buried plow into plow mouth submarine cable length measurement and control method and system. The submarine cable length measurement method and system adopts a dual-frequency sonar to perform sonar detection on the buried plow into the plow mouth to obtain a sonar image, adopts a turbid water camera to shoot the buried plow into the plow mouth to obtain a camera image, combines the specific size of the submarine cable, performs three-dimensional reconstruction on the sonar image and the camera image, displays a submarine cable three-dimensional graph, and can infer and identify the working state and the length of the submarine cable according to the graph. The submarine cable length control method and system can adjust the cable laying speed of a submarine cable ship in real time according to the real-time predicted submarine cable length of the buried plow into the plow mouth, can keep the length of the submarine cable into the plow mouth constant in the laying of the complex seabed environment, that is, can keep the tension of the submarine cable into the plow mouth constant in the laying of the complex seabed environment and further protect the submarine cable.

By maintaining the device's thickness while allowing only the camera portion to protrude slightly, the device's size is kept compact. [Solution] An electronic device according to one embodiment includes a housing including a main body and a cover plate, a base plate disposed on the main body, a camera flange disposed on the base plate, a cover frame covering the camera flange, a plurality of lens structures including an external lens structure connected to the cover frame and an internal lens structure connected to the camera flange, and a first conductive connector disposed between the cover frame and the camera flange.

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially disposed along an optical axis from an object-side surface of the first lens toward an imaging plane of an image sensor, wherein 3.5≤TTL / IMG HT, f1+f2|<2.0 mm, and 0.7≤L1S1es / L1S1el<1.0 are satisfied, where TTL is a distance along the optical axis from the object-side surface of the first lens to the imaging plane of the image sensor, IMG HT is one-half of a diagonal length of the imaging plane of the image sensor, f1 is a focal length of the first lens, f2 is a focal length of the second lens, L1S1el is a maximum effective radius of the object-side surface of the first lens, and L1S1es is a minimum effective radius of the object-side surface of the first lens.

This invention belongs to the field of vehicle automation technology, specifically relating to a machine vision-based method for locating target objects in vehicles. A camera on the vehicle acquires scene images of the target object, a neural network is used to obtain the center pixel coordinates of the target object in the scene image, and the distance between the vehicle and the target object is calculated using the camera's height from the ground and the camera's intrinsic parameter matrix. This invention is mainly applied to target object location during the retrofitting of old vehicles. By combining target object identification in a neural network with camera homography calibration, the relative position of the target object in 3D space is accurately calculated, enabling precise target object location even in complex scenes.

The disclosure relates to a method for calibrating parameters of a LiDAR sensor and a camera by considering characteristics of LiDAR data. A data generation apparatus extracts one frame of an image captured by a camera and one frame of point cloud data acquired by a LiDAR sensor, identifies feature points of a calibration board included in each of the extracted image and the extracted frame of the LiDAR sensor, and performs calibration of the camera and the LiDAR sensor based on the identified feature points. Performing the calibration includes generating a target plane by applying a RANSAC algorithm based on the feature points of the calibration board, and projecting the point cloud onto the target plane by performing a perspective projection.

The application belongs to the field of intelligent manufacturing, and discloses a bionic body manufacturing method, device and system supporting remote customization of a user, electronic equipment, a storage medium and a computer program product, solves the problem that the finished product does not meet the expectation due to image transmission distortion in remote customization, and the method comprises the following steps: acquiring customized images (previously obtained by the user by shooting a reference object and a first calibration card by using a first camera) shot from multiple angles; the first calibration card comprises a color calibration card and a skin calibration card; a calibration body is arranged in the color calibration card and / or the skin calibration card, and is used for calibrating an illumination condition and a camera spatial frequency response; for each angle, imaging scene parameters on the user side are generated according to the customized images; cross-scene calibration parameters are determined according to the imaging scene parameters on the user side and the manufacturing side; after the reference object images in the customized images are corrected according to the cross-scene calibration parameters, bionic body 3D modeling is performed according to the reference object images of each angle to manufacture a bionic body.

A trailer monitoring system includes a range sensor facing a rear direction and a camera monitor system, which includes a first mirror replacement assembly having a housing supporting a rear facing camera. One or more controllers are in communication with the range sensor, with the one or more controllers identifying an existence of a trailer surface based on a reading from the range sensor. In accordance with a detection of the trailer surface, the one or more controllers activate the camera monitor system for trailer monitoring.

This invention discloses a planar target measurement and correction method and system based on RGB-D data, comprising: acquiring a scene RGB image, a depth matrix, and camera intrinsic parameters; selecting a Region of Interest (ROI) and converting the ROI depth data into a 3D point cloud using the camera intrinsic parameters; obtaining the target plane equation through robust plane fitting and constructing its local orthogonal coordinate system; establishing an inverse mapping from image pixels to local plane coordinates based on the camera intrinsic parameters, the plane equation, and the local coordinate system to generate a corrected image with physical scale information; determining the target to be measured on the corrected image, calculating the pixel Euclidean distance, converting the pixel distance into the actual physical length based on the scale information of the corrected image, and outputting the measurement result; this invention can overcome the bottlenecks of traditional technologies, achieve high-precision single measurement, is computationally efficient and easy to operate, significantly improves the user experience, ensures the high quality and authenticity of the corrected image, has a wide range of applications and good device compatibility, and is easy to promote and popularize.

The utility model relates to bottle body foreign matter detection technical field especially a kind of lamp inspection subassembly for translucent glass bottle, comprising: light source subassembly, including at least one group and each group includes the light source for the light irradiation to the side of the bottle body to be measured;Camera subassembly, each group includes a camera for the liquid inside bottle body is photographed and located directly above the bottle body to be measured;Frame, for installing light source subassembly and camera subassembly;The vertical distance between the light source and frame is adjusted by light source subassembly, the mounting position of the camera on the frame is adjusted along the direction perpendicular to the bottle body to be measured to adjust the camera so that it is located directly above the bottle body to be measured, for solving the technical problem of low detection efficiency and poor detection effectiveness in the prior art for detecting translucent glass bottle.

The embodiment of the present specification provides a kind of training data acquisition method, device, computer equipment and storage medium, it is related to data processing technical field.The method comprises: obtaining target pose and determining first operation space, and randomly generating initial pose in second operation space;Current pose in the motion process from initial pose to target pose is obtained, if current pose is located in first operation space, current pose and the image recorded by camera are input to first action output model, and first action instruction is obtained;If current pose is located outside first operation space, based on target pose, current pose and random action vector, second action instruction is determined;Based on first action instruction or second action instruction, control mechanical arm end, and obtain actual action sequence as training data.Such, high-quality, diversified training data can be efficiently acquired.

This disclosure relates to a gaze estimation method, apparatus, device, and medium. The method includes: acquiring a target eye image corresponding to a target eye whose gaze direction needs to be estimated; the target eye image is an image of the target eye captured by a target camera; acquiring intrinsic and extrinsic parameters of the target camera, and obtaining camera information based on the intrinsic and extrinsic parameters; performing at least one target processing operation based on the target eye image and the camera information, and obtaining a gaze estimation result of the target eye image based on the output information of the last target processing operation; the target processing includes: extracting key target information based on the input information corresponding to the target processing, and fusing the key target information and specified information from the input information corresponding to the target processing to obtain the output information corresponding to the target processing. This disclosure helps to obtain more realistic and reliable gaze estimation results to better meet requirements.

The application discloses a dynamic target labeling method and related device, and carries out timestamp alignment on millimeter wave radar data sets and camera image data sets obtained in a preset time period to obtain target millimeter wave radar data sets and target camera image data sets, screens out potential millimeter wave radar dynamic point cloud data from a point attribute data set, and projects the potential millimeter wave radar dynamic point cloud data and non-potential millimeter wave radar dynamic point cloud data to a point cloud interface to obtain point cloud interface data, converts the point cloud position data set and the potential millimeter wave radar dynamic point cloud data to a camera coordinate system, and projects the potential millimeter wave radar dynamic point cloud data and the target camera image data set to an image interface after fusion to obtain image interface data, and adopts an interframe switching function to determine each potential millimeter wave radar dynamic point in which a position changes in the point cloud interface data and the image interface data for labeling. The application utilizes the principle that the time sequence change of multiple frames of point cloud data and the appearance characteristics of dynamic targets can be recognized by images, and realizes accurate calibration of dynamic targets.

This composition contains an infrared-absorbing dye, a resin, and a solvent, wherein the infrared-absorbing dye contains a compound represented by formula (1). Also provided are a film, an optical filter, a solid-state imaging element, an image display device, an infrared sensor, and a camera module, in each of which the aforementioned composition is used.

Method for calibrating a camera device of a total station using one or more targets, that are retro-reflective, and the total station, wherein for each of the targets, the following steps are performed: Capturing the target, determining the center of the target, moving the distance measuring beam to that center, taking first and second images of the target with an illumina- tion light switched on respectively switched off, determining in the first image, in the second image and / or in a differential image between the first and second images, a blob and a blob centroid. One or more camera parameters of the camera device are estimated from the blob centroids and a model for the camera device.

A seat adjustment method and device, vehicle, electronic equipment and storage medium are provided in the embodiments of the present application. The target image is obtained, the vehicle body coordinate system and the camera coordinate system are constructed, and the target camera is calibrated to obtain the target camera external parameter, the target camera internal parameter and the rotation matrix. The target camera pitch angle is determined based on the rotation matrix, the target key point of the to-be-measured object is determined, the target key point image coordinates are converted, the key point camera coordinates in the camera coordinate system are obtained, and the height difference between the target key point and the target camera is determined based on the key point camera coordinates and the target camera pitch angle. The vehicle seat is adjusted in this way. The present method is based on monocular vision, and the key coordinates of the key points in the image are calculated by using the similar triangle principle under the combination of the camera coordinate system and the vehicle body coordinate system. The present method avoids the investment of a large amount of calculation data and calculation process in the existing algorithm, improves the calculation efficiency, and has high calculation accuracy under the support of the same calculation power.