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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2015
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Article
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Tab 1
/
Research Article
A Novel Scrambling Digital Image Watermark Algorithm Based on Double Transform Domains
Table 1
The coefficient structure of Curvelet transformation.
Layer
Scale coefficient
Number of
directional parameters
Matrix form
Course
1
Detail
32 (
)
32 (
)
64 (
)
64 (
)
Fine
1