Machine vision means the machine with a vision function, which facilitates the inspection, judgment, recognition, measurement and positioning, etc. Typically, machine vision systems comprise light source, shot, camera, image processing hardware and software and EU (execution unit). Machine vision Engineering programme covers optics, mechanical engineering, electronic engineering and computer hardware and software, which covers the field of image processing, pattern recognition, AI, opto-mechatronics, etc. In recent years, the rapid development of image processing and AI has greatly promoted machine vision.