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Aiming at the problems of high spatial redundancy of current continuous video images and poor timeliness of image data processing, a video image processing system based on CPLD chip control is designed. The data information extracted from the CPLD storage module is evenly distributed to the video image acquisition element and the image edge detection element, and then the physical connection with the VGA video image display module is established by means of the information transmission channel to realize the hardware execution plan of the video image processing system design. Use the optimized result of fractional pixel difference to regulate the dynamic display permission of the sub-window, control the degree of redundancy of continuous video images in the spatial range, and complete the intelligent control processing of the number of image sources. Combined with the video process and multi-threaded control principle, the information order of the packet buffer is implemented, and then a brand new video stream storage mode is established to realize the complete playback of the video stream. The comparison experiment results show that, compared with the multi-channel video processing method, after applying the CPLD chip to control the processing system, the frame buffer rate of image data is significantly increased, while the VGA information conversion index is greatly reduced, while suppressing the spatial redundancy of continuous video images. , Solve the problem of image data processing is not timely.