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數位浮水印 正確率 99.95% PSNR = 29.62 dB.

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Presentation on theme: "數位浮水印 正確率 99.95% PSNR = 29.62 dB."— Presentation transcript:

1 數位浮水印 正確率 99.95% PSNR = dB

2 找出相近的Pairs

3 發現 d(CW0, CW8) > TH d(CW13, CW14) > TH 藏 1 藏 0 CW1 CW11 ,CW2
Unused CW0, CW8, CW13, CW14

4 Encode Unused CW0, CW8, CW13, CW14 Index Table Index Table

5 Water mark: 1 0 1 0 1 0 0 1 0 1 1 1 1 0 0 1 1 1 1 1 1 1 1 Index Table
1 1 1 1 1 1 1 Index Table Water mark CW1, CW2, CW4, CW5 CW6, CW7 CW11, CW3 CW15, CW10 CW12, CW9 藏 1 藏 0

6 Water mark: 1 0 1 0 1 0 0 1 0 1 1 1 1 0 0 1 1 1 1 1 1 1 1 Index Table
1 1 1 1 1 1 1 Index Table Water mark CW1, CW2, CW4, CW5 CW6, CW7 CW11, CW3 CW15, CW10 CW12, CW9 藏 1 藏 0

7 Water mark: 1 0 1 0 1 0 0 1 0 1 1 1 1 0 0 1 1 1 1 1 1 1 1 Index Table
1 1 1 1 1 1 1 Index Table Water mark


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