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Journal of Cloud Computing

Advances, Systems and Applications

Table 4 Results of Gaussian noise attacks

From: A robust encryption watermarking algorithm for medical images based on ridgelet-DCT and THM double chaos

Gaussian Noise(%)

1

5

15

20

30

40

50

PSNR

12.33

5.93

1.80

0.78

0.58

-1.22

-1.70

NC

1.00

0.91

0.82

0.76

0.66

0.65

0.62

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