Impact on the image for print scanning feature, select the image on a DCT domain watermark embedding. The DCT transform coefficients according to their location for a special classification, through classification in each category after the number sign to express the watermark information, to enhance the robustness of the algorithm. Then the location of the watermark embedding, robustness and embedding strength studied

gongji.m
lena256.bmp
nc.m
psnr.m
recover16.m
recover.m
watermarked16.m
watermarked.m
新建 文本文档.txt
change.m

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