EAN: 9783319329505

SPRINGERBRIEFS IN COMPUTER SCIENCE DIGITAL WA...

This book describes the design  development  and testing of a novel digital watermarking
technique for color images using Magic Square and Ridgelet transforms. The novel feature of the
method is that it generates and uses multiple copies of the digital watermark. The book
describes how the method was tested for embedding digital watermarks into color cover images 
resulting in very high PSNR value and yielding comparable results with existing watermarking
techniques.To reach this new method  eight different techniques are designed  developed and
tested. First  the authors test two digital watermarking techniques based on encryption: Image
Watermark Using Complete Complementary Code Technique (CCCT) and Image Watermarking Using
CCC-Fast Walsh Hadamard Transform Technique (CCC-FWHTT). Next  four digital watermarking
techniques based on curvelet transforms are discussed: Image Watermarking Using Curvelet
Transform (WCT)  Watermark Wavelets in Curvelets of Cover Image (WWCT)  Resized Watermark into
Curvelets of Cover Image (RWCT)  and Resized Watermark Wavelets into Curvelets of Cover Image
(RWWCT). Then  two final techniques are presented: Image Watermarking Based on Magic Square
(MST) and Image watermarking based on Magic Square and Ridgelet Transform (MSRTT). Future
research directions are explored in the final chapter.Designed for professionals and
researchers in computer graphics and imaging  Digital Watermarking Techniques in Curvelet and
Ridgelet Domain is also a useful tool for advanced-level students.

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