中文说明：用matlab对一张图片进行DFT变换，DCT变换，比较保留20个DCT变换系数重构的图象与原始图像的差别.
English Description：
A picture is transformed by DFT and DCT with MATLAB, and the difference between the reconstructed image and the original image is compared
关注次数： 262
下载次数： 0
文件大小： 445K
中文说明：用matlab对一张图片进行DFT变换，DCT变换，比较保留20个DCT变换系数重构的图象与原始图像的差别.
English Description：
A picture is transformed by DFT and DCT with MATLAB, and the difference between the reconstructed image and the original image is compared