42 results about "Frame grabber" patented technology

The invention relates to a data fusion method based on a multi-channel image acquisition card and related equipment, and the method comprises the following steps: synchronously receiving a multi-view target scene shot by a camera through the multi-channel image acquisition card, and obtaining original multi-channel image data; performing geometric correction on the original multi-channel image data to obtain a geometric correction image group, and performing space-time coordinate conversion based on the geometric correction image group to obtain a space-time registration image group; performing cross-scale feature aggregation on the space-time registration image group to obtain a multi-scale feature pyramid layer, and constructing a multi-scale feature pyramid based on the multi-scale feature pyramid layer; and carrying out adaptive weight convolution fusion on the multi-scale feature pyramid to generate a target fusion image, thereby solving the technical problems that most methods depend on a complex preprocessing process or have relatively strong hypothesis for a specific scene and are difficult to adapt to a dynamically changing real environment.

The invention relates to the technical field of image acquisition and testing, and discloses an image acquisition and testing method, device and equipment and a storage medium, and the method comprises the steps: collecting a standard test card image through an image acquisition card in a multi-stage standard illumination environment, and calculating sensitivity benchmark test data; executing time domain and space domain combined sampling processing to obtain super-sensitivity image data; performing brightness analysis and dynamic adjustment on the currently shot first scene image to obtain a first image acquisition parameter; acquiring a second scene image, and performing image grid division and contrast compensation on the second scene image to obtain an enhanced image after contrast compensation; according to the super-sensitivity image acquisition method and the super-sensitivity image acquisition device, the sensitivity limitation of the position depth of a traditional image acquisition card is broken through, and super-sensitivity image acquisition is realized.

The invention discloses a data encryption method, which comprises the following steps that: a Web server sends a private key to a display card, then sends the private key to an image acquisition card and then sends the private key to a database server, and the database server encrypts a result of querying a database by using the private key and sends the encrypted result to the display card; according to the technical scheme of the invention, the data output by the Web server is encrypted through the video card / image acquisition card, then the database server sends the encrypted data to the Web server through the video card / image acquisition card, and the Web server sends the encrypted data to the user computer, and the method has the advantages that after the technology is used, the data output by the Web server is encrypted, and the data in the database server is safe, so that the data is very effectively protected.

The application relates to an online monitoring device and method for microelectrodes, and belongs to the technical field of special machining.The online monitoring device is composed of a coaxial holographic imaging module, an LED backlight imaging module, a motion control module, an image acquisition card, a laser power controller and an LED brightness controller.The LED backlight imaging module is used for positioning the microelectrode image; the coaxial holographic imaging module is used for holographic interference imaging of the microelectrode; based on a holographic reconstruction algorithm, electrode profile information is obtained, and the electrode loss degree is judged.The coaxial holographic imaging module and the LED backlight imaging module switch the positions of the reflecting mirrors through the motion control module to realize control of different imaging modes; the collected images are input into a PC through the image acquisition card, image algorithm analysis is carried out, and the microelectrode loss degree is judged.The application realizes online monitoring of the microelectrode loss.

The invention relates to a carbon fiber cloth surface defect detection device based on artificial intelligence. The technical problem of how to improve the accuracy and speed of carbon fiber cloth surface defect detection is solved. The carbon fiber cloth surface defect detection device comprises a CIS line-scan digital camera, an image acquisition card and a controller, the CIS line-scan digital camera is arranged above carbon fiber cloth, the image acquisition card is electrically connected with the controller, the CIS line-scan digital camera is electrically connected with the image acquisition card, and the carbon fiber cloth surface defect detection device is configured to detect white point defects and judge white points according to gray values of images acquired by the CIS line-scan digital camera. The method is widely applied to a carbon fiber cloth production process.

The invention provides a color box printing system based on dual induction, and belongs to the technical field of color box printing. Comprising an optical sensing module which is used for collecting optical information of a printing pattern and monitoring the printing quality in real time; the optical sensing module internally comprises a high-resolution color camera, a spectrum analyzer and an image acquisition card, the high-resolution color camera is used for shooting a printed pattern to obtain pattern detail information, and the spectrum analyzer is used for analyzing spectrum information of the printed pattern to detect color related indexes; and the image acquisition card is used for transmitting image data shot by the high-resolution color camera and spectral data analyzed by the spectrum analyzer. Through cooperation of all structures in the optical sensing module, the pressure sensing module and other modules, real-time collection and monitoring of printing pattern optical information are achieved, and the purpose of guaranteeing the printing quality is achieved.

The invention discloses intelligent manufacturing industrial machine visual inspection equipment, which belongs to the technical field of visual inspection, and comprises the following structures: an equipment platform, which comprises a mechanical conveying table and a detection platform; the linear array industrial camera is located above the detection platform, and a strip-shaped detection light source is arranged above the linear array industrial camera; the detection system comprises a pulse encoder, an image acquisition card and an industrial processor, vamp images are scanned and acquired through a linear array industrial camera, algorithm detection and automatic identification are performed on image data through the image acquisition card and the industrial processor, qualified vamps are automatically detected and identified, and quantity statistics and identification are performed on unqualified vamps; manual visual inspection and statistical screening are replaced, so that full-automatic vamp defect detection is realized.

The invention discloses a lifting platform personnel monitoring start-stop system and start-stop method, the lifting platform personnel monitoring start-stop system comprises an industrial camera, a PLC and a main power supply, the output end of the industrial camera is connected with the input end of an image acquisition card, the output end of the image acquisition card is connected with the input end of the PLC, and the output end of the PLC is connected with a driving mechanism of a lifting platform. According to the invention, a real-time image on a lifting platform is collected through a camera; judging whether a person exists on the lifting platform or not; when it is detected that people, electric vehicles or dangerous goods exist on the lifting platform, the lifting platform is controlled to stop working, and meanwhile the alarm gives an alarm; when it is detected that no personnel, electric vehicles or dangerous goods are on the lifting platform, the lifting platform continues to work, and meanwhile the alarm stops alarming; according to the invention, personnel are prevented from using the goods elevator illegally, and the problem of casualties is solved.

The utility model discloses a control circuit, a control system and a detection system of a line scanning camera, which are used for solving the problem of low line scanning efficiency when a fixed frame mode is used for linearly scanning a wafer. The control circuit comprises a position encoder and an image acquisition card; one end of the position encoder is connected with the image acquisition card; the other end of the image acquisition card is connected with the industrial computer.

The utility model discloses a boost adapter plate for testing a camera module, which comprises an adapter box, a box cover is arranged at the top of the adapter box, a bottom plate is arranged at the bottom of the adapter box, supporting blocks are fixedly connected to four corners in the adapter box, an adapter plate is arranged at the tops of the supporting blocks, and an acquisition card is inserted into one side of the top of the adapter plate. One end of the acquisition card is connected to the side wall of the transfer box through a data interface, two wire drawing ports are formed in the surface of the bottom plate, and push plates are mounted on the inner sides of the wire drawing ports; according to the boost adapter plate used for testing the camera module, the test requirement of the camera module is met by expanding the output voltage of the existing image acquisition card, and the requirement of part of the camera module on higher voltage can be met by switching between 2.8 V and 4.2 V voltage without developing and importing an additional image acquisition card and an external voltage stabilization source.

The invention relates to the technical field of image acquisition and transmission, and discloses a high-resolution image acquisition and transmission method and device, equipment and a storage medium. The method comprises the following steps: performing multi-stage downsampling and feature extraction processing on a high-resolution original image acquired by an image acquisition card to obtain global image features and regional image features; performing random delay and data loss characteristic analysis on historical communication data of the image acquisition card to obtain a probability distribution model and a continuous data loss record; performing multi-scene prediction on the future transmission state of the image acquisition card to obtain prediction state information; and generating a self-adaptive transmission control strategy according to the prediction state information, the global image features and the regional image features, and executing a high-resolution image transmission process to obtain a high-resolution image transmission result. According to the method, the optimal distribution of transmission resources is realized on the premise of ensuring the image quality, and the problem of insufficient adaptability of traditional fixed parameter control in a complex network environment is solved.

The utility model relates to the technical field of dimming film production, and discloses a film laminating machine for dimming film production, which comprises a film laminating machine body, a base and a detection mechanism, the base is fixedly arranged at the bottom end of the film laminating machine body, the detection mechanism is fixedly arranged at the top end of the base, and an auxiliary mechanism is fixedly arranged at the upper end of the detection mechanism; the detection mechanism comprises mounting rods, a first gear motor, a conveying belt, a U-shaped plate, an industrial camera, a light supplementing lamp, an image acquisition card, a PC controller and a supporting rod, the mounting rods are fixedly arranged on the two sides of the top end of the base, and the first gear motor is fixedly arranged on one side of each mounting rod; and the output shaft end of the gear motor I penetrates through the mounting rod and is fixedly provided with a conveyor belt. According to the film laminating machine for producing the light adjusting film, by arranging the detection mechanism, quality detection can be conveniently conducted on the produced light adjusting film, defective products with scratches and bubbles can be conveniently removed in time, the product quality is guaranteed, the working efficiency is improved, and the practicability is improved.

A system and a method for 3D surface imaging of a 3D object, the method comprising directing a light beam to a digital micromirror device that displays binary fringe patterns, converting the binary fringe patterns to grayscale fringe patterns at an intermediate image plane; rotating the grayscale fringe patterns onto the intermediate image plane to match an aspect ratio of the object, projecting the greyscale fringe patterns from the intermediate image plane to the object, capturing deformed structure images reflected by the object; and transferring the captured images to a computer connected to a frame grabber.

The invention discloses a regional slow and small target group tracking method, which mainly solves the problem of low real-time performance of multi-target tracking of a large-size image and improves the visible light target detection and tracking capability of a target range. The implementation scheme is as follows: 1, an image acquisition card acquires a high-resolution visible light grayscale image in real time; 2, each frame of image is divided into a plurality of areas, a plurality of threads are started at the same time, and target detection and tracking are carried out on each area image block through one thread; performing synchronous processing on the main thread and the plurality of sub-threads; 3, using a constrained local adaptive threshold method to detect a target group for the image block; 4, performing target group tracking on a detected target group in a single image block by adopting Kalman filtering and a Hungary algorithm; 5, when the target moves across the seam, unified target tracking ID processing is carried out on the target at the seam; and 6, outputting the miss distance and the gate of each frame of target group. According to the invention, dynamic scene aerial target group detection can be realized, the tracking processing time of a large-size image is reduced, and the detection and tracking capability of a visible light target in a target range is improved.

The application discloses a kind of floating bridge linear automatic control system based on computer vision, including shore-based control end and several floating ship control ends, shore-based control end is set in river bank, shore-based control end includes camera, image acquisition card and industrial computer, floating ship control end is respectively set on each floating ship and is located in same side, floating ship control end includes target on floating ship, environmental data acquisition unit and drive unit for driving floating ship to move, camera is used to monitor and capture target image on several floating ships, and image is converted into digital signal by image acquisition card and transmitted to industrial computer, industrial computer is used to analyze image and judge whether floating bridge linear deviation exceeds preset threshold, and according to the judgment result, environmental data acquisition unit is controlled to collect information, and industrial computer is analyzed to control drive unit to drive floating ship to move adjustment.The application realizes the automatic monitoring and adjustment of floating bridge linear, improves the adjustment efficiency and accuracy, enhances the stability and safety of floating bridge.

The invention discloses a hardness indentation measurement method based on artificial intelligence image segmentation, which comprises the following steps of: 1, acquiring an image of a measured object through a CCD (Charge Coupled Device) camera, and transmitting the acquired image of the measured object to a computer; step 2, in a computer, an image acquisition card is responsible for acquiring and transmitting an image and transmitting the acquired image to an image segmentation module, the image segmentation module segments an original image and segments the image into different areas, and each area represents a potential hardness indentation; step 3; step 4, dynamic automatic measurement is realized; 5, generating a corresponding indentation dynamic measurement report; 6, outputting the dynamic indentation measurement report through a computer, and displaying the dynamic indentation measurement report to a user; according to the method, the image segmentation technology is adopted, the image can be accurately segmented into different areas, potential hardness indentations can be identified and detected, and compared with a traditional manual measurement mode, higher measurement precision can be provided.

The invention relates to a water-cooled wall lower header deformation measurement method and system, terminal equipment and a medium, and the method comprises the following steps: employing a CCD camera to carry out shooting perpendicular to the surface of an original lower header, and taking the shot image as a reference image; when the lower header is subjected to deformation measurement, an image is collected through the CCD camera and serves as a deformation image; calculating a position difference, and determining displacement distances in the x direction and the y direction; calculating a displacement partial derivative by using a numerical method so as to obtain strain of the lower header; according to the invention, the LED light source, the CCD camera, the image acquisition card and the computer are integrated, and all the components work cooperatively to form a complete measurement system. The integrated design enables the measurement process to be more convenient and efficient, reduces the connection and debugging work between different devices, and improves the reliability and stability of measurement.

1. Name of the product in this design: Video capture card (active cooling). 2. Application of this design: It is used in image acquisition cards, video acquisition cards, and audio acquisition cards, aiming to acquire and compress audio and video signals in real time and display them on one or more devices. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention provides an online gearbox fault detection device and method. According to the device, a main control unit comprises a main control chip with a built-in GPU, a heat dissipation assembly and a wireless communication module, and the GPU is configured to process a vibration signal image through a multi-scale convolutional neural network, extract time-frequency joint features of a coupling fault and upload a diagnosis result to a remote server through the wireless communication module; the image acquisition and display unit comprises an acceleration sensor, an image acquisition card and a display screen, the acceleration sensor and the image acquisition card are integrally mounted, and the acceleration sensor is used for acquiring a gearbox vibration signal in real time and generating a time-frequency image; the transmission unit comprises a signal processing circuit and a remote communication interface; each unit is integrated and fixed by the sealing shell, and a sensor interface is reserved. According to the invention, the vibration signal image is obtained through the acceleration sensor, the built-in GPU is used for processing the characteristics such as the wave crest of the vibration signal image, and the result is uploaded to the server, so that the real-time online detection and remote monitoring of the fault of the gearbox are realized.

The utility model belongs to the technical field of drug flaw detection, and particularly relates to a flaw identification device for a full-automatic tablet detector. The technical problem that an existing flaw identification device cannot detect drugs needing to be kept away from light is mainly solved. According to the technical scheme, the defect identification device for the full-automatic tablet detector comprises a strip-shaped light source, a sphere integration light source, an industrial camera, an image acquisition card and a vacuum adsorption conveying belt, the spherical integral light source is arranged below the vacuum adsorption conveying belt, the industrial camera is arranged in an image taking hole formed in the bottom of the spherical integral light source and is parallel to the vacuum adsorption conveying belt, and the strip-shaped light sources are arranged on the two sides of the horizontal section of the spherical integral light source and are located between the industrial camera and the vacuum adsorption conveying belt. The strip-shaped light source and the sphere integral light source are arranged at an angle of 30-60 degrees, and the image acquisition card is arranged in a controller of the full-automatic tablet detector and is connected with the industrial camera.

The invention discloses an image sensor testing system, a smudginess testing method and related equipment, the image sensor testing system comprises a closed dome light source and a support, the support is provided with an acquisition inlet used for placing an image sensor, and the acquisition inlet is located in the center of the bottom of the dome light source; the image acquisition card is used for being connected with the image sensor; and the control end is connected with the image acquisition card and is used for performing acquisition control and smudginess test analysis on the image sensor.

An embodiment of the present application provides an image acquisition card and a data signal transmission system, which relate to the field of machine vision technology. The image acquisition card includes: a connection module and a main control module, the connection module includes a first board-end connector and a second board-end connector; when the image acquisition card is in dual-base mode, one end of the first board-end connector is connected to the main control module, and the other end is used to connect to the first camera-end connector of a first camera through a cable, and is used to transmit the control signal for the first camera output by the main control module to the first camera, and transmit the image data and receipt signal input by the first camera to the main control module; one end of the second board-end connector is connected to the main control module, and the other end is used to connect to the first camera-end connector of a second camera through a cable; and is used to transmit the control signal for the second camera output by the main control module to the second camera, and transmit the image data and receipt signal input by the second camera to the main control module.

The utility model discloses an image acquisition card capable of preventing misplaced installation, which relates to the technical field of image acquisition cards, and comprises a plate body and a circular joint welded on the left side of the front surface of the plate body, a golden finger is arranged on the lower surface of the plate body, and a circular hole is formed in the left upper corner of the front surface of the plate body. A square hole is formed in the lower left corner of the front surface of the plate body, and a mounting mechanism is arranged on the left side of the plate body. Compared with an existing common image acquisition card convenient to install, when the image acquisition card is installed, the circular connector can be inserted into the preset hole in the baffle, the square hole is clamped in the socket, the self-locking spring can reset to lock the plate body, then the circular hole plate and the plate body are fixed through the screw and the circular hole, and when the square hole is detached, the square hole can be detached, so that the image acquisition card is convenient to install. By means of the design, the installation positions of the upper side and the lower side can be distinguished when the baffle is installed, and up-down staggered installation caused by the fact that the circular connectors are symmetrically distributed up and down is prevented.

The present application relates to a kind of carbon fiber cloth surface defect detection device based on artificial intelligence, it solves how to improve the technical problem of carbon fiber cloth surface defect detection accuracy, speed.It includes CIS line array camera, image acquisition card and controller, CIS line array camera is set in the upper carbon fiber cloth, image acquisition card is electrically connected with controller, CIS line array camera is electrically connected with image acquisition card, carbon fiber cloth surface defect detection device is configured to detect white spot defect, judges white spot according to the gray value of CIS line array camera acquisition image.The present application is widely applied to carbon fiber cloth production process.

1. The name of the design product: anode frame taking device. 2. The use of the design product: the design product is used for taking out anode frame in anode oxidation process. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to the technical field of storage equipment, in particular to a miniature intelligent storage shelf. According to the technical scheme, the goods shelf comprises a goods shelf body, a plurality of storage cells used for storing goods and materials are arranged in the goods shelf body, a PLC used for control and an intelligent terminal used for user interaction are arranged on one side of the goods shelf body, and a mainboard is arranged on the inner wall of the top of each storage cell; an image acquisition card used for converting video signals into digital signals, an embedded processor and a camera are arranged at the bottom of the main board, an image recognition algorithm module is arranged in the embedded processor, and a pushing structure used for pushing materials out is arranged in the storage grid. Through the arrangement of the first motor, the limiting rod, the threaded rod, the connecting sleeve, the push plate, the camera, the temperature sensor, the embedded processor and the PLC, after needed goods and materials are retrieved, the goods and materials can be pushed out through the pushing structure, self-searching is not needed, and the time needed for taking the goods and materials is shortened.

The present invention provides a method and device for testing the performance of an image acquisition card, which is used to provide a digital cable interface and an I / O data channel interface for connection to the image acquisition card, and to test the performance of the image acquisition card at a host computer. The settings of the image acquisition instructions sent by the host computer include: setting to capture different types of custom images according to the type and number of digital interfaces of the acquisition card. The present invention provides a digital signal cable interface and an I / O data channel interface for connection to the image acquisition card, so that testers can easily connect the image acquisition card to be tested using corresponding cables. The invention is compatible with image acquisition cards of various types of interfaces and does not require replacement of supporting testing equipment. The invention also provides testing software for use on the host computer, which is simple to operate, eliminates the need for complex image acquisition software configuration, and improves testing efficiency. The simple testing software and the supporting host computer greatly reduce the requirements for the testing environment.

The application relates to an imaging detector chip vibration displacement testing device and method, which comprises an LED plane light source, a homogenizing plate, an imaging lens and an image acquisition card; the LED plane light source illuminates the imaging lens after passing through the homogenizing plate, and the position of the imaging detector chip to be tested is adjusted through a gasket so as to be just located at the focal plane position of the imaging lens; the imaging lens comprises a lens barrel, a diaphragm and a double-sided convex lens which are sequentially arranged in the inner cavity of the lens barrel according to the light path; the lens barrel adopts an integrated forming process to first mill the inner cavity of the lens barrel and finally mill a small hole; the image acquisition card is connected to the imaging detector to be tested, and the image data is read by an upper computer. After the plane light source is homogenized by the homogenizing plate to form diffuse reflection, a point light source is formed through the small hole, small spot imaging is realized by using single-lens imaging, and finally the spot centroid is directly represented by the image plate to represent the chip displacement.

The invention discloses a visual fusion detection device and method for quality grading of picked fruits and vegetables, and relates to the technical field of agricultural automatic detection and sorting, the device comprises a support frame, the front end of the frame is provided with an inclined slideway for feeding, the end face of the frame is provided with a constant-speed conveyor belt, and the rear end of the frame is provided with a grading guide plate and a push rod electromagnet. A detection box body is arranged at the upper end of the frame, a lighting source, an industrial color camera and a background plate are arranged in the box body, a control box is arranged outside the box body, and an image acquisition card and a logic judgment controller are arranged in the control box. The method comprises the steps that the industrial color camera collects images of single fruits and vegetables on the conveying belt, the image collection card converts image signals, the logic judgment controller conducts comprehensive judgment according to preset colors, flaws and size threshold values, the push rod electromagnet is controlled to act, the fruits and vegetables are pushed into the designated grading guide plate, and automatic grading is achieved. According to the invention, rapid, accurate and non-destructive detection and grading of the quality of picked fruits and vegetables are realized.