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Mathematical Problems in Engineering
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2017
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Article
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Tab 1
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Research Article
Texture Directionality-Based Digital Watermarking in Nonsubsample Shearlet Domain
Table 1
Values of texture directionality.
Image
D1
D2
D3
D4
D5
D6
D7
D8
Directionality
0.3135
0.2673
0.2103
0.3321
0.1964
0.3111
0.3247
0.3007