基于DCT变换的水印算法(书)\lena.bmp ...........................\embed.m ...........................\watermark_extract.m ...........................\Thumbs.db ...........................\untitled.bmp ...........................\embed.asv ...........................\idctF1.mat ...........................\run.m ...........................\watermark_extract.asv ...........................\waterMark1.mat 基于DCT变换的水印算法(书)