Based on the discrete cosine transform (DCT) of the digital watermark source code including the watermark generation, embedding, extraction, etc.

Packet : 71477195dct_watermark.rar filelist
DCT_watermark\-mark.bmp
DCT_watermark\lena-.bmp
DCT_watermark\lena.bmp
DCT_watermark\mark.bmp
DCT_watermark\mark_.bmp
DCT_watermark\nc.m
DCT_watermark\psnr.m
DCT_watermark\Thumbs.db
DCT_watermark\watermark.asv
DCT_watermark\watermark.m
DCT_watermark\withmark.bmp
DCT_watermark

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