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Image processing (image processing), by computer image analysis technology to achieve the desired results. Also known as image processing. Image processing generally refers to digital image processing. Digital image refers to the use of industrial cameras, camcorders, scanners and other equipment through a large two-dimensional array photographed, the element of the array is called a pixel, its value is called the gray value. Image processing techniques typically include image compression, enhancement and restoration, matching, description and identification of three parts. Common system Cognex system, FIG intelligent system, is currently being gradually emerging technology.