25 results about "Camera Link" patented technology

The invention relates to the technical field of refrigeration type infrared focal plane detector imaging, in particular to a data transmission method of a refrigeration type infrared focal plane detector imaging system, which comprises the following steps of: receiving LVDS (Low Voltage Differential Signaling) data acquired by a refrigeration type infrared focal plane detector in an imaging system consisting of a PC (Personal Computer) upper computer, a power supply, a main control board and the refrigeration type infrared focal plane detector; the method comprises the following steps: performing camera link conversion, transmitting a converted differential signal to an upper computer through a video cable for imaging, performing 2 * 2 pixel image array transmission on LVDS (Low Voltage Differential Signaling) data by utilizing an FPGA (Field Programmable Gate Array), representing the position of each pixel in the 2 * 2 pixel image array by utilizing four different identifiers, digitalizing each pixel by adopting 19-bit data, and transmitting the digitalized data to the lower computer. 19-bit digital data of one pixel is transmitted in a parallel transmission mode. According to the invention, the 2 * 2 pixel image array is adopted for data transmission, so that the algorithm operation of the pixel data is realized, and the image processing is facilitated; four-channel serial LVDS differential signals are adopted to transmit data, and external electromagnetic interference can be effectively offset.

The invention relates to an optical measurement equipment digital image exchange system based on a VPX architecture, belongs to the technical field of image processing, and solves the problem of realizing optical measurement equipment digital image data distribution by utilizing the VPX system architecture. The system comprises a digital image switching board meeting the VPX standard, the digital image switching board takes an FPGA (Field Programmable Gate Array) chip as a core, is integrated with an ARM (Advanced RISC Machines) chip and is provided with a panel front output interface and a VPX connector rear output interface connected with a VPX backboard bus, the FPGA chip changes the current working mode of the system according to external control information sent by the ARM chip, and the FPGA chip is connected with the VPX backboard bus. Free switching between a real-time data stream mode and a post injection data stream mode is realized, so that different scene requirements are met. According to the invention, the VPX backplane bus is used for replacing a traditional optical fiber beam splitting or Camera Link cable, so that the number of external cables is reduced, the wiring complexity is reduced, and efficient and reliable work such as exchange and distribution of digital images of the optical measurement equipment is realized.

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.

A wearable lit camera linked to a mobile device app that automatically loads images to cloud storage to deter criminal activity is disclosed. In one embodiment, A camera device comprises a digital camera, an outwardly facing light source that is communicatively coupled to a control unit, a short-range transceiver communicatively coupled to the control unit, a volatile memory coupled to the control unit, and a non-volatile memory coupled to the control unit and storing a control program which, when executed using the control unit, causes the control unit to execute illuminating the light source, capturing a digital image via the digital camera and storing the digital image in the volatile memory, transmitting the digital image via the short-range transceiver to a mobile computing device, deleting the digital image from the volatile memory, and after a time delay, repeating the capturing, storing, transmitting, and deleting. Use of the short-range transceiver is optional, and other embodiments can use cellular transceivers to upload images directly to the cloud.

The present application discloses an industrial camera power supply circuit and method. The industrial camera power supply circuit is electrically connected to the Camera link interface of an image acquisition card. The industrial camera power supply circuit includes a power output module, a load detection and determination module, and a control module. Among them, the power output module is electrically connected to the control module, the load detection and determination module, and the Camera link interface of the image acquisition card respectively. The load detection and determination module is electrically connected to the control module. The load detection and determination module is used to judge the category of the camera, and the control module is used to control the power output module to output a power supply matching the category of the camera to the Camera link interface of the image acquisition card according to the category of the camera. The industrial camera power supply circuit of the present application transmits the power supply on the image acquisition card to the camera interface through the Camera link interface of the image acquisition card to provide power for the camera, which is convenient to use and does not require additional laying of industrial camera power cables.

The present application relates to a camera link fault diagnosis method, device, electronic device and storage medium, the method comprising: calling a pre-set output interface function in a first driver file to output the first frame image captured by a target camera, so as to save the first frame image to a target file under a target path; calling a pre-set register readback function in a second driver file to read back the status value of a register in a target deserializer, and writing the status value of the register to a log message; in the event that a link fault occurs in the target camera, exporting the target file and log message, and performing fault diagnosis based on the target file and log message. In this way, fault diagnosis can be quickly performed based on the target file and log message, avoiding the defect in the prior art of needing to check each link in the camera link one by one, thereby improving the efficiency of camera link fault diagnosis.

The present invention relates to a digital image exchange system for optical measurement equipment based on the VPX architecture, which belongs to the field of image processing technology and solves the problem of realizing the distribution of digital image data of optical measurement equipment using the VPX system architecture. The present invention includes a digital image exchange board that complies with the VPX standard, which is based on an FPGA chip, integrates an ARM chip, and is provided with a front panel output interface and a rear VPX connector output interface connected to the VPX backplane bus. The FPGA chip changes the current working mode of the system according to the external control information sent by the ARM chip, and realizes free switching between the real-time data flow mode and the post-injection data flow mode to meet the needs of different scenarios. The present invention uses the VPX backplane bus to replace traditional optical fiber splitters or Camera Link cables, which not only reduces the number of external cables and the complexity of wiring, but also realizes efficient and reliable exchange and distribution of digital images of optical measurement equipment.

The application discloses a student data intelligent collection method and device based on a human-like eye, and the method comprises the following steps: acquiring video streams of visitors collected by cameras arranged in different exhibition areas in an exhibition hall, generating a detection frame of each visitor through image detection, and forming a detection frame set to be queried; using a trained feature extraction model to extract appearance features, body posture features and virtual trajectories of each visitor from the video streams; matching the detection frame with a visitor to be identified based on the appearance features, the body posture features and the virtual trajectories, and generating personnel trajectory matching information; and generating activity data of the visitor according to the personnel trajectory matching information and a pre-established exhibition hall camera link topology, wherein the activity data comprises identity information and activity trajectory data of the visitor. The application can effectively identify visitors in the exhibition hall and generate activity trajectories, and can overcome problems such as illumination variation and occlusion.

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.

The utility model provides high-efficiency image acquisition equipment, which comprises a camera, an FPGA (Field Programmable Gate Array), a DDR3 (Double Data Rate 3) and a CPU (Central Processing Unit), the data output end of the camera is connected with the data input end of the FPGA through a Camera Link interface; the data output end of the camera is connected with the data input end of the CPU through a USB interface and a network interface. And the data transmission end of the FPGA is respectively connected with the data transmission end of the CPU and the data transmission end of the DDR3. Due to the adoption of the technical scheme, the camera is connected with the FPGA through the Camera Link interface, so that the problems that a general processor is low in efficiency and a special image processor is poor in flexibility are solved, more efficient and more flexible image access and processing are realized, the high requirements of modern image processing on real-time performance, accuracy and flexibility are met, and the image processing efficiency is improved. And the overall performance and effect of image processing are improved.

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 relates to information computer lab technical field especially information computer lab monitoring devices, this information computer lab monitoring devices includes removal seat, monitoring camera, support base, first transmission mechanism, second transmission mechanism and drive mechanism, removal seat can move along ground, first transmission mechanism and second transmission mechanism all install in removal seat, monitoring camera links to each other with first transmission mechanism, monitoring camera is configured as real -time shooting information computer lab, support base links to each other with second transmission mechanism, support base is configured as with ground support fixed, drive mechanism can switch between first station, second station and third station, the drive mechanism in first station links to each other with first transmission mechanism to make drive mechanism drive monitoring camera move along up and down direction, the drive mechanism in second station links to each other with second transmission mechanism to make drive mechanism drive support base move along up and down direction, the drive mechanism in third station stops working.

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.

A wearable lit camera linked to a mobile device app that automatically loads images to cloud storage to deter criminal activity is disclosed. In one embodiment, A camera device comprises a digital camera, an outwardly facing light source that is communicatively coupled to a control unit, a short-range transceiver communicatively coupled to the control unit, a volatile memory coupled to the control unit, and a non-volatile memory coupled to the control unit and storing a control program which, when executed using the control unit, causes the control unit to execute illuminating the light source, capturing a digital image via the digital camera and storing the digital image in the volatile memory, transmitting the digital image via the short- range transceiver to a mobile computing device, deleting the digital image from the volatile memory, and after a time delay, repeating the capturing, storing, transmitting, and deleting. Use of the short-range transceiver is optional, and other embodiments can use cellular transceivers to upload images directly to the cloud.

The present disclosure proposes a camera system anomaly detection method, device, camera system, and unmanned vehicle, relating to the field of unmanned vehicle technology. The camera system anomaly detection method is executed by a camera system anomaly detection device, and includes: detecting the loop current of the camera module; if the cause of the camera system anomaly cannot be determined based on the detection result of the loop current of the camera module, detecting the connection status of the deserializer and the serializer; if the cause of the camera system anomaly cannot be determined based on the detection result of the connection status of the deserializer and the serializer, detecting at least one of the working status and trigger status of the camera. Through the above steps, it is possible to automatically detect key factors that affect the normal operation of the camera when a camera link fails, output the cause of the anomaly based on the detection result, accelerate the camera fault detection speed, and save problem troubleshooting time.

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.

A wearable lit camera linked to a mobile device app that automatically loads images to cloud storage to deter criminal activity is disclosed. In one embodiment, A camera device comprises a digital camera, an outwardly facing light source that is communicatively coupled to a control unit, a short-range transceiver communicatively coupled to the control unit, a volatile memory coupled to the control unit, and a non-volatile memory coupled to the control unit and storing a control program which, when executed using the control unit, causes the control unit to execute illuminating the light source, capturing a digital image via the digital camera and storing the digital image in the volatile memory, transmitting the digital image via the short- range transceiver to a mobile computing device, deleting the digital image from the volatile memory, and after a time delay, repeating the capturing, storing, transmitting, and deleting. Use of the short-range transceiver is optional, and other embodiments can use cellular transceivers to upload images directly to the cloud.

The invention relates to a camera simulation system and method supporting a multi-protocol interface, and belongs to the technical field of electronic test equipment and image processing. Aiming at the problems that an existing camera test system depends on a single interface protocol, hardware needs to be replaced frequently, and test image parameters are not flexible to adjust, the invention provides a dynamic switching scheme based on FPGA local reconstruction and software driving. Multi-protocol dynamic switching: real-time switching of protocols such as Camera Link, CoaXPress and the like is realized through an FPGA (Field Programmable Gate Array) local reconstruction technology, and hardware does not need to be replaced or a test process does not need to be interrupted; the test image is dynamically generated, parameters are allowed to be adjusted in real time, and the high-precision test requirement is met. The method is suitable for simulation tests of high-speed industrial cameras, scientific imaging equipment and multi-protocol compatible systems, and particularly has remarkable advantages in an automatic test environment in which interface protocols need to be frequently switched or image features need to be adjusted in real time.

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.