数字视频图像处理大作业。MPEG-1、MPEG-2及JPEG标准中都采用了基于图像块的DCT变换编码，根据已学知识完成下列问题：-Digital video image processing operations.Mpeg-1, mpeg-2, and JPEG standard are adopted based on image block DCT transform coding, according to the knowledge to complete the following q