a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it -a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it

基于DCT数字水印算法的Matlab实现源代码-DCT-based digital watermarking algorithm Matlab source code

基于离散余弦变换的数字水印嵌入以及实现代码-Embedded watermarking based on discrete cosine transform and implementation code