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Mathematical Problems in Engineering
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2015
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Article
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Tab 3
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Research Article
A Novel Scrambling Digital Image Watermark Algorithm Based on Double Transform Domains
Table 3
The test results of the spinning processing attack for various transforms.
Various transforms
DFT
DCT
DWT
Ridgelet
Curvelet
Contourlet
NC
0.3343
0.6154
0.6455
0.7537
0.7906
0.2415