Composition of industrial machine vision system

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【概要描述】With the development of industrial automation, the application of industrial machine vision system will also be more and more extensive. In addition, the rapid development of digital image sensors, CMOS and CCD cameras, DSP, FPGA, ARM and other embedded technologies, image processing and pattern recognition technologies will also bring a huge boost to the development of machine vision inspection. Here is a brief introduction of the main components of industrial machine vision system: 1. Camera and optical components This category usually contains one or more cameras and lenses (optical components) for photographing the detected object. According to the application, the camera can be based on the following standards: black and white, composite color (Y/C), RGB color, non-standard black and white (variable scan), step scan or line scan. 2. Lights The light of industrial machine vision system is used to illuminate components, so as to capture better images from the camera. The light system can be in different shapes, sizes and brightness. The general light forms are high-frequency fluorescent lamps, LED, incandescent lamps and quartz halide optical fibers. 3. Component sensor It usually appears in the form of grating or sensor. When the sensor senses that the component is close, it will give a trigger signal. When the component is in the correct position, the sensor will tell the machine vision system to collect the image. 4. Image acquisition card Also known as video capture card, this part is usually a card inserted on the PC. The function of this capture card is to connect the camera with the PC. It obtains data (analog signal or digital signal) from the camera and then converts it into information that the PC can process. Industrial machine vision system can also provide signals to control camera parameters (such as trigger, exposure time, shutter speed, etc.). There are many types of image capture cards, Support different types of cameras and different computer buses.

With the development of industrial automation, the application of industrial machine vision system will also be more and more extensive. In addition, the rapid development of digital image sensors, CMOS and CCD cameras, DSP, FPGA, ARM and other embedded technologies, image processing and pattern recognition technologies will also bring a huge boost to the development of machine vision inspection. Here is a brief introduction of the main components of industrial machine vision system:
1. Camera and optical components
This category usually contains one or more cameras and lenses (optical components) for photographing the detected object. According to the application, the camera can be based on the following standards: black and white, composite color (Y/C), RGB color, non-standard black and white (variable scan), step scan or line scan.
2. Lights
The light of industrial machine vision system is used to illuminate components, so as to capture better images from the camera. The light system can be in different shapes, sizes and brightness. The general light forms are high-frequency fluorescent lamps, LED, incandescent lamps and quartz halide optical fibers.
3. Component sensor
It usually appears in the form of grating or sensor. When the sensor senses that the component is close, it will give a trigger signal. When the component is in the correct position, the sensor will tell the machine vision system to collect the image.
4. Image acquisition card
Also known as video capture card, this part is usually a card inserted on the PC. The function of this capture card is to connect the camera with the PC. It obtains data (analog signal or digital signal) from the camera and then converts it into information that the PC can process. Industrial machine vision system can also provide signals to control camera parameters (such as trigger, exposure time, shutter speed, etc.). There are many types of image capture cards, Support different types of cameras and different computer buses.

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