Around the DCT-based compression is not variable, the preparation of the anti-JPEG compression algorithm for digital image authentication watermark with good resistance to compression, shear, distort the watermark, such as performance simulation program

基于离散不变量的抗JPEG压缩认证水印
..................................\1bianyuan.m





..................................\jiance2.bmp
..................................\jianceswjtu.bmp
..................................\JPEG_attack.jpg
..................................\lena-.bmp
..................................\lena.bmp
..................................\mark.bmp
..................................\nc.m
..................................\pepper.bmp
..................................\psnr.m
..................................\watermark.asv
..................................\watermark.m
..................................\watermark2.m
..................................\watermark3.m
..................................\whitenoise.bmp
..................................\withmark.bmp
..................................\yasuo.bmp
..................................\yasuo2.bmp

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