基于DCT数字水印算法

[{"title":"（ 10 个子文件 261KB ） 基于DCT数字水印算法","children":[{"title":"DCT","children":[{"title":"watermark_detect.m <span style='color:#111;'> 1.23KB </span>","children":null,"spread":false},{"title":"psnr.m <span style='color:#111;'> 727B </span>","children":null,"spread":false},{"title":"addnoise_recover.m <span style='color:#111;'> 1.59KB </span>","children":null,"spread":false},{"title":"waternark_detect.m <span style='color:#111;'> 1.24KB </span>","children":null,"spread":false},{"title":"dct1_watermarked.bmp <span style='color:#111;'> 145.05KB </span>","children":null,"spread":false},{"title":"dct1_recover.m <span style='color:#111;'> 1.46KB </span>","children":null,"spread":false},{"title":"jxust1.jpg <span style='color:#111;'> 1.09KB </span>","children":null,"spread":false},{"title":"NC.m <span style='color:#111;'> 220B </span>","children":null,"spread":false},{"title":"dct1_embed.m <span style='color:#111;'> 3.61KB </span>","children":null,"spread":false},{"title":"_lena_std_bw.bmp <span style='color:#111;'> 145.05KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]