Using the same key after a chaotic sequence of scrambling the watermark information to achieve the double encryption, consider the wavelet energy distribution problem, the watermark information embedded in low-frequency coefficients to ensure the reliability of watermark information. Extracted using image restoration method to achieve blind detection.

DWT
...\average.asv
...\average.m
...\chaos.asv
...\chaos.m
...\FloatDwt.asv
...\FloatDwt.m





...\jzh2.bmp
...\lena.bmp
...\pickup.asv
...\pickup.m
...\psnr.m
...\randCL.m
...\SearchIndex.asv
...\SearchIndex.m
...\shuiyin.jpg
...\untitled.jpg
...\untitled1.jpg
...\wavelet2D.m
...\WM.jpg
...\yt.jpg
...\zs.jpg
...\加躁后.jpg
...\嵌入后.jpg
...\未命名.jpg
...\未命名１.jpg
...\未命名２.jpg
...\水印.jpg
...\置乱.jpg
...\还原.jpg
...\１.jpg
...\２.jpg
...\３.jpg
...\４.jpg

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