Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

135 results about "Camera Link" patented technology

Camera Link is a serial communication protocol standard designed for camera interface applications based on the National Semiconductor interface Channel-link. It was designed for the purpose of standardizing scientific and industrial video products including cameras, cables and frame grabbers. The standard is maintained and administered by the Automated Imaging Association or AIA, the global machine vision industry's trade group.

Grease color acid value integral automatic detection device and method based on computer vision

Oil color and luster acid value integrated automatism detection instrument and its method based on computer visual, it relates to the oil detection field. It solves the disadvantage that not integrated, big error, not automatism in the exist technology. The CCD numeral camera links with the PC, the PC outputs the signal to the control instrument and the locale technology parameter adjustment control groupware separately, the control end of the control instrument links with the controlled end of the execute setup, the light source, CCD numeral camera and the sample bottle which is set in the electromagnetism beater are set in the same axes and set in the illumination box. The steps are: firstly, start up and set the parameter; value whether detect the acid value, if it detects, collects the oil sample and add in reagent, then titrates liquid collects the image to value whether reach the end point, if it does not, titrates again, if it reaches, stop titrating and calculates the acid value, detects twice and calculates its average value and output; if it is not, detects the color and luster, compares the standard image data and the collection image data twice, and output the data. This invention based on equipment, its error is small, and the veracity and reliability is high.
Owner:HARBIN UNIV OF COMMERCE

Mixed format signal optical fiber transmission device

The invention discloses a mixed format signal optical fiber transmission device. The mixed format signal optical fiber transmission device comprises a sending end, a fiber channel and a receiving end, wherein the sending end converts input camera link format video image signals and multi-channel universal serial signals into optical signals, the optical signals are sent to the receiving end through the fiber channel, and the receiving end receives the optical signals and restores the optical signals to original video image signals and multi-channel universal serial data signals. The mixed format signal optical fiber transmission device is suitable for optical fiber transmission of the camera link video image signals and the multi-channel universal serial signals in all configuration modes, the transmission of mixed format signals in a single-fiber channel at different rates can be achieved through multiplexing of a transmission bus, and consumption of extra fiber channels and devices is reduced. According to the mixed format signal optical fiber transmission device, electrical signal conversion processing and transmission control are achieved through a field programmable gate array (FPGA) device, the requirement for actual functions is met, meanwhile, the usage of application-specific integrated circuits is reduced, the advantage of high integration and universalization degrees can be achieved, and supports can be provided for further function extension and performance upgrading.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

White balance processing method directed towards atypical-feature image

InactiveCN102883168AVersatileExtensive processing effectsColor signal processing circuitsInternal memoryBright spot
The invention relates to a white balance processing method directed towards an atypical-feature image. The method comprises the following steps: (1) acquiring the brightest spot RGB (Red, Green and Blue) information of a frame of images as well as an RGB mean through a Camera Link industrial camera; (2) scanning the frame of video images, setting a white spot brightness threshold value and an RGB channel difference threshold, and determining whether current images contain a white area or not and color is rich or not; (3) performing color space conversion on the current images if the current images are determined that the white region is not contained and the color is not rich, and respectively calculating an average chromaticity Cw_ave of a reference point of a perfect reflection method and an average chromaticity Ch_ave of a reference point of a gray world method; and (4) calculating an average chromaticity Cw_ave obtained by the perfect reflection method and an average chromaticity Ch_ave obtained by the gray world method directed towards the current images, and performing white balance correction combined with two classic algorithms on the current frame of images by using the ratio of the Cw_ave and (the Cw_ave plus the Ch_ave) as an adjustment factor K. The method can be realized by using the recourses of an FPGA (Field Programmable Gata Array) internal logic unit, an internal memory, a multiplier and the like.
Owner:SHANGHAI UNIV

Pavement crack recognition device based on camera and line laser and recognition method of pavement crack recognition device

The invention belongs to the technical field of pavement crack recognition, and discloses a pavement crack recognition device based on a camera and a line laser, and a recognition method of the pavement crack recognition device. The pavement crack recognition device based on the camera and the line laser comprises a pulse counter, an industrial personal computer, a vehicle, a line laser fixedly mounted in the center of the head of the vehicle and a flat plate extending forward from the center of the head top of the vehicle; an area-array camera is fixed below one end of the flat plate; the angle between a laser head of the line laser and the horizontal plane is 40-80 degrees; a lens of the area-array camera vertically faces the ground; a rotary shaft of a rear wheel of the vehicle is coaxially sleeved with an incremental rotary encoder; the incremental rotary encoder is electrically connected with a counting end of the pulse counter; the output end of the pulse counter is electrically connected with a PCI card; the PCI card is inserted into a PCI slot of the industrial personal computer; the area-array camera is electrically connected with the PCI card through a Camera Link wire.
Owner:杭州华路中检检测技术有限公司

Digital optical terminal with Base-mode Camera Link interface

The invention provides a digital optical terminal with a Base-mode Camera Link interface, relating to the field of video data transmission. The optical terminal comprises a transmitting terminal and a receiving terminal which are communicated through an optical fiber. The transmitting terminal converts standard Base-mode Camera Link video data into optical signals, the optical signals are transmitted to the receiving terminal through the optical fiber, and the receiving terminal converts the optical signals into standard Base-mode Camera Link digital video signals and outputs the digital video signals. The transmitting terminal further converts a group of standard RS232 serial data into optical signals and transmits the optical signals to the receiving terminal. The receiving terminal converts the optical signals into a group of standard RS232 serial data and outputs the serial data. The receiving terminal further transmits a group of RS232 data back to the transmitting terminal according to above mode. At the same time, the receiving terminal transmits IO (input output) signals to the transmitting terminal by using the above electrical-to-optical conversion method, and the transmitting terminal outputs the IO signals. The digital optical terminal is applicable to long-distance transmission situations of Camera Link video.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Device for lossless recording, storing and playing back high-speed images in real time without loss

The invention relates to a device for recording, storing and playing back high-speed images in real time without loss, which comprises a camera link decoding chip, a programmable logic device, a camera link coding chip, n storage subsystems, a gigabit network switch and a master control playback computer. Real-time synchronization coding is carried out on the high-frame-frequency image data led in by the camera link decoding chip through the programmable logic device, and then the high-frame-frequency image data are distributed into n paths of image data with frame synchronization codes; the coded image data are stored into each storage subsystem through the camera link coding chip, and are led into the master control playback computer by the gigabit network switch for decoding and synthesis of the same frame image; and post playback interpreting and processing are carried out. By the device provided by the invention, the high-speed image data output by a high-frequency-frame complementary metal oxide semiconductor (CMOS) digital camera are stored and recorded for a long time in real time without loss; and the device is convenient for the master control playback computer to carry out post playback interpreting and processing.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Comprehensive display control device used for airborne optoelectronic system

The invention provides a comprehensive display control device used for an airborne optoelectronic system and belongs to the technical field of airborne optoelectronic control. The comprehensive display control device regards a reinforced portable computer as a processing platform, and integrates the control and image display functions; a foldable structure is adopted, and display is carried out through two screens; the upper screen is a liquid crystal display screen and has the collection display and recording functions of PAL analog images and Camera link digital images; the lower screen is a touch screen, is provided with a retractable control handle, a function switch and various communication interfaces such as 1553B, RS232 and RS422, provides a graphic man-machine interface to finish control over the airborne optoelectronic system, and is high in expansibility and easy to operate. The control and display devices needed in the use process of the airborne optoelectronic system are integrated, various interfaces are reserved, the comprehensive display control device is applicable to optoelectronic observing and aiming systems of different types and high in universality, the use method of combining the touch screen with the control handle is rapid and simple, the man-machine effect is good, and convenience is provided for operation and debugging of the airborne optoelectronic system.
Owner:西安应用光学研究所

Long-distance transfer system for video data

The invention relates to a long-distance transfer system for video data, which comprises a transmitting terminal, an optical fiber and a receiving terminal, wherein the transmitting terminal is connected with the receiving terminal through the optical fiber; the transmitting terminal converts received video data into video optical fiber signals, transmits the video optical fiber signals to the receiving terminal through the optical fiber, simultaneously converts control optical signals transmitted from the receiving terminal into control signals and outputs the control signals to a camera control terminal; and the receiving terminal converts the video optical fiber signals transmitted through the optical fiber into video data and provides the video data to an external system, simultaneously receives the control signals input by the camera control terminal and converts the control signals into the control optical signals, and then transmits the control optical signals to the transmitting terminal through the optical fiber. The invention realizes non-loss real-time transmission of the video observation data of a telescope, has universality, and is especially suitable for the occasion of long-distance transmission of a Camera link video.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

System for collecting and processing 10K*10K ultrahigh resolution images

The invention discloses a system for collecting and processing 10K*10K ultrahigh resolution images, belonging to the field of image collection and processing. The system mainly comprises four subsystems, namely an array camera with four camera link output outlets in shunt output, a multichannel image synthetic controller, a low voltage differential signaling (LVDS) image acquisition card, a standard peripheral component interconnect (PCI) bus and a computer system, wherein, the image data source obtained by the array camera is delivered through multiple camera link ports in a shunt mode; the multichannel image data are received and are rearranged to integrate into a 1-path ultrahigh resolution image by the multichannel image synthetic controller, and the 1-path ultrahigh resolution image is transmitted to the LVDS image acquisition card; and the control of the LVDS image acquisition card is finished by the computer. By utilizing the system, the problem of collection, processing, display and storage of the ultrahigh resolution image is solved; the computing capacity of the complete set of the system can be multiplied under the condition of stacking and combination of hardware resources, thus the resolution image up to 20K*20K can be processed.
Owner:BEIJING ACREDIT TECH

Target motion characteristic image simulating and outputting system

The invention discloses a target motion characteristic image simulating and outputting system, relates to the field of optical measurement devices and aims at solving the problem that the current devices are incapable of providing simulation of real targets under normal and abnormal motion states. According to the target motion characteristic image simulating and outputting system, a control module is used for starting the system, setting parameters and detecting hardware; a communication module is used for transmitting instructions of the control module to a target motion characteristic image simulating module; a data transmission module is used for receiving and feeding virtual target position and speed information detected by an optical detection device as well as transmitting the virtual target position and speed information to the target motion characteristic image simulating module; the target motion characteristic image simulating module is used for receiving the instructions of the control module and the target position and speed information of the optical detection device and processing the information to form DVI (Digital Video Interactive) images; and a DVI-camera Link image conversion module is used for converting the DVI images to standard Camera Link simulation images and transmitting the standard Camera Link simulation images to the optical detection device. The target motion characteristic image simulating and outputting system provides simulation of real targets under normal and abnormal motion states and is high in stability.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

FPGA (Field Programmable Gate Array)-based full-configuration type Camera link fiber-converting real-time image optical transceiver

The invention relates to an FPGA (Field Programmable Gate Array)-based full-configuration type Camera link fiber-converting real-time image optical transceiver; the optical transceiver realizes a conversion function from the input of high-bandwidth (85MHz), high-reliability full-configuration type Camera link real-time images into the output of optical fiber real-time images, has a self-adaptive configuration function of inputting full, medium or basic type Camera link real-time images and a self-adaptive function of Camera link input working frequency; the conversion function from the input of the serial port and time sequence control optical fiber data steams to the output of the Camera link interface is realized and the reliability of the remote serial port communication and time sequence control of the Camera link real-time image optical transceiver is improved; the optical transceiver breaks through the technical difficulty of full-configuration type Camera link real-time image fiber conversion; the flexible configuration of the SFP (Small Form Factor Pluggable) fiber module is designed and realized, the transmission distance ranges from 500m to 120km, the anti-electromagnetic interference capability of the Camera link real-time image transmission system is strengthened and the requirements of various engineering application occasions are satisfied.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

FPGA system having Camera Link interface

The invention discloses an FPGA system having a Camera Link interface. The system comprises a phase-locked loop, a data format converter and an output parallel-serial conversion device; the phase-locked loop is used for generating a pixel clock and a sevenfold frequency clock of the pixel clock from an input pre-set clock; the data format converter is used for outputting fixed data, and outputting target data after re-arranging input 28-bit parallel data; the output parallel-serial conversion device is used for outputting differential data and a differential clock after converting the target data and the fixed data according to the data bit width conversion ratio of 7:1 under the action of the pixel clock and the sevenfold frequency clock of the pixel clock; the differential clock and the differential data accord with specifications of a Camera Link standard protocol; the output end of the phase-locked loop is connected with the first input end of the output parallel-serial conversion device; and the output end of the data format converter is connected with the second input end of the output parallel-serial conversion device. By means of the system disclosed by the invention, a Camera Link protocol does not need to be customized in an IP core; and the transportability is relatively high.
Owner:BEIJING LUSTER LIGHTTECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products