12 results about "Camera Link" patented technology

According to some embodiments of the present disclosure, a method for processing an image, executed by a computing device including a processor, may include: acquiring an image; acquiring analysis information corresponding to an object included in the image from the image using an object analysis model; and acquiring characters included in the object from the analysis information corresponding to the object using an OCR model. A representative diagram may be shown in FIG. 2.

The application provides a vehicle-mounted camera detection method, a detection system, a detection platform and a storage medium. The method comprises the following steps: detecting the camera firmware version information in real time; after detecting the camera firmware version information, performing secondary comparison and judging the consistency state of the current camera firmware version information; when the system does not detect the camera firmware version information of a certain road, further detecting the video stream data corresponding to the camera of the road, judging the current camera link state according to the detection result of the video stream data corresponding to the camera, and automatically detecting the camera firmware version information through the automatic detection of the vehicle-mounted camera firmware version information, comprehensively considering the consistency of the camera firmware version information and the camera link state, thereby obtaining the automatic detection result of the camera firmware version information, being suitable for the judgment and analysis of various camera firmware version information, quickly positioning the camera firmware version misinstallation problem, improving the product detection efficiency and reducing the missed detection and wrong detection phenomenon.

The embodiment of the invention provides a multi-camera preview and control method and system, and belongs to the technical field of image acquisition and embedded control. The method comprises the following steps: acquiring equipment identification information of multi-camera equipment and link state data of a multi-camera link; constructing multi-camera parameter configuration data based on the equipment identification information and the link state data; establishing a multi-camera image acquisition pipeline based on the multi-camera parameter configuration data, and generating preview image data for representing real-time preview content of each camera; and generating a control instruction corresponding to each camera working mode based on the preview image data, and outputting the control instruction to control the running state of the multi-camera system. According to the scheme of the invention, a unified processing chain from camera identification, link analysis and parameter configuration to acquisition and control is constructed, so that preview, configuration and operation adjustment of multiple cameras are kept consistent and traceable under the same parameter system.

This disclosure relates to a six-dimensional tracking and measurement system and method based on visual active tracking. The measurement system includes a probe, a laser tracker, and a computing center. The probe includes: a target base, a target rotating seat rotatable along a first rotation direction, multiple feature marker structures disposed on the target rotating seat and capable of emitting or reflecting light beams, and a target disposed on the target rotating seat and rotatable along a second rotation direction. The laser tracker includes: a tracker base, a rotatable aiming unit that emits a laser beam, and an attitude camera linked to the aiming unit. The computing center is used to calculate the first attitude information of the target rotating seat relative to the attitude camera, and to calculate the target attitude information of the target base relative to the tracker base based on the first rotation angle, the third rotation angle, and the fourth rotation angle. Thus, the attitude information of the target rotating seat can be obtained through the attitude camera, thereby obtaining the attitude information of the target base.

The application provides a camera link determination method and device of an AR glasses and an electronic device. The method comprises the following steps: obtaining a plurality of first relative pose relationships, each first relative pose relationship being a relative pose relationship between two adjacent cameras, and the first relative pose relationship comprising a position relationship and an orientation vector relationship of the cameras at a current time; constructing a spanning tree comprising the plurality of cameras; calculating the weight of each edge of the spanning tree according to the first relative pose relationship, and determining that a minimum spanning tree formed by edges with the minimum weight is the camera link at the current time. The method determines the pose information of the cameras by obtaining the images of the cameras, constructs the spanning tree of the cameras, and determines that the minimum spanning tree formed by the edges with the minimum weight is the camera link, thereby solving the problem that the fixed link of the cameras in the AR glasses in the prior art causes the inter-frame matching of the cameras at some time to be less, and the problem that the stability of the AR glasses is low.

The utility model discloses a CameraLink camera data acquisition and image identification system, which belongs to the technical field of image processing and embedded systems, and is characterized in that a Hiisis 3559 processor and an FPGA (Field Programmable Gate Array) are used as main control chips, and interface circuits for storage, camera data input, image data output, RS-422, RS-232, Ethernet and the like, and power supplies required by the working of the chips are expanded on the basis of the main control chips. The FPGA is responsible for receiving image data of the two paths of CameraLink cameras, analyzing and preprocessing the data and then sending the data to the Hisilicon 3559 processor, and the Hisilicon 3559 processor operates algorithms such as image recognition and tracking after obtaining the image data, analyzes the image data in real time and outputs a recognition result. According to the utility model, the efficient acquisition and preprocessing of CameraLink data are realized through the FPGA, the requirements of high bandwidth and low delay are met, the system integrates the functions of data acquisition, preprocessing, image identification and communication, is suitable for various application scenes, and the real-time acquisition and processing of image data are realized through the cooperative work of the FPGA and the processor.

The invention discloses a lossless high-speed camera link video signal rotation transmission system which comprises a fixed disc, a transmitter, a receiver, a transmission shaft, a bearing end cover, an optical fiber slip ring, an optical fiber chuck, a rotor shaft, a stator shaft, a rotor bearing, a stator bearing and a cover plate. Input and output signals of the video signal photoelectric rotation transmission system need to be scrambled and descrambled through the transmitter and the receiver, and the reliability and stability of the input and output signals are ensured by encoding and decoding the input and output signals. The conductive slip ring has the advantages of low time delay, long service life, high signal transmission reliability, strong stability and capability of ensuring the reliability and the stability of signal transmission, and solves the problems of short working period, difficulty in maintenance, unstable / distorted signal transmission and the like when a common conductive slip ring is used for transmitting a high-speed video signal.

The present application relates to a kind of image sensor single particle transient bright spot feature online extraction method based on image processing, the device involved in this method includes power supply, CMOS image sensor, image sensor driving board, frame capture video collector, computer, CMOS image sensor is installed on image sensor driving board and is connected with frame capture video collector by Camera link line, frame capture video collector is connected with computer by USB.Computer is used in the process of proton irradiation CMOS image sensor, including image Fourier transform, threshold segmentation etc., image processing algorithm is carried out to the feature extraction of each image with single particle transient bright spot collected by frame capture video collector, and the output result includes the bright spot area, perimeter, maximum gray value, secondary gray value, minimum gray value, average gray value, gray value standard deviation and barycenter position information of single particle transient bright spot.The method does not need to save image to local, greatly saves storage space, can be used for longer time bright spot feature analysis, and bright spot feature can be output simultaneously with image acquisition to facilitate research.

The application relates to the technical field of intelligent networked vehicles, in particular to a streaming rear-view video transmission system for an intelligent networked vehicle, which comprises a video acquisition and coding module, a channel quality sensing module, an adaptive code rate scheduling module, a functional safety monitoring module and a degradation execution module; the application acquires rear-view field image and outputs a video code stream and a frame-level image quality parameter, acquires a multi-dimensional original channel index and determines a comprehensive channel quality evaluation value, determines a target code rate according to the frame-level image quality parameter and the comprehensive channel quality evaluation value and issues a coding parameter instruction, determines a fault state code based on a camera link heartbeat signal and a transmission quality state signal, matches a degradation execution strategy according to the fault state code, controls display output and reports a system state to a vehicle domain controller, and solves the problems of single code rate scheduling, insufficient channel sensing and fault silent failure of an existing rear-view video transmission system.

This invention provides a control method and program for an information processing system that reduces false notifications of anomalies. [Solution] In an information processing system in which a camera and an information processing device are connected via an image transfer cable such as USB, Ethernet, or Camera Link, the information processing device includes a determination unit that determines whether there is a change that should be notified based on a comparison between a reference image and an image to be analyzed, a notification unit that notifies the determination result that there is a change that should be notified, and an acquisition unit that acquires a predetermined value related to the suppression of notification. The notification unit reduces the erroneous notification of abnormalities by suppressing the notification of the determination result that there is a change that should be notified based on the predetermined value.

This disclosure relates to a tracking laser 3D imaging system, including a laser tracker and a multi-view laser 3D scanner. The laser tracker includes: an aiming unit capable of emitting a positioning laser beam, a rotation drive mechanism for driving the aiming unit to rotate and align with the scanner, and a monocular attitude camera linked to the aiming unit. The multi-view laser 3D scanner includes: a housing, multiple retroreflectors disposed in different orientations of the housing, multiple feature marker structures arranged around the housing capable of emitting or reflecting beams, a multimode laser assembly for emitting an imaging laser beam toward the object under test, and multiple scanning imaging cameras for capturing the imaging laser beam on the object under test. Thus, the position and attitude of the multi-view laser 3D scanner can be acquired in real time by the tracker, and the point cloud data acquired by the multi-view laser 3D scanner can be unified into the coordinate system of the laser tracker.

The application relates to the technical field of cameralink data long-distance transmission, in particular to a cameralink data encryption and detection and repair device based on FPGA, which comprises an input module, a stable clock module, a sampling module, an encryption module, a comparison module, a repair module and an output module; the stable clock module is used for obtaining a stable clock; the sampling module samples time sequence parameters T of image data based on the stable clock; the encryption module encrypts the image data to generate an encrypted sequence D1, and calls the sampling module to sample the encrypted sequence D1 based on the stable clock to obtain time sequence parameters T1; the comparison module compares T and T1 to determine whether a time sequence error occurs; the repair module modifies the encrypted sequence D1 based on the difference between T and T1, obtains an encrypted sequence D3 conforming to T as image encrypted data, and calls the output module. The application can realize cameralink data encryption and time sequence detection and repair.