in the original image Biorthogonal 7/9 3 wavelet decomposition, in the second-class level, vertical, diagonal, and the third-class right angle to add weight coefficient watermark, after wavelet-transform reconstruct images.

Packet : 615253水印算法.rar filelist
水印
水印\水印检测2.m
水印\水印检测1.m
水印\水印检测.m

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