By Channapragada Rama Seshagiri Rao, Munaga V.N.K. Prasad
This e-book describes the layout, improvement, and checking out of a singular electronic watermarking process for colour photos utilizing Magic sq. and Ridgelet transforms. the unconventional function of the tactic is that it generates and makes use of a number of copies of the electronic watermark. The booklet describes how the strategy was once established for embedding electronic watermarks into colour conceal photographs, leading to very excessive PSNR worth and yielding related effects with latest watermarking techniques.To succeed in this new procedure, 8 diversified options are designed, built and established. First, the authors try electronic watermarking ideas in keeping with encryption: picture Watermark utilizing entire Complementary Code strategy (CCCT) and picture Watermarking utilizing CCC-Fast Walsh Hadamard remodel strategy (CCC-FWHTT). subsequent, 4 electronic watermarking concepts in line with curvelet transforms are mentioned: photo Watermarking utilizing Curvelet remodel (WCT), Watermark Wavelets in Curvelets of canopy snapshot (WWCT), Resized Watermark into Curvelets of canopy snapshot (RWCT), and Resized Watermark Wavelets into Curvelets of canopy snapshot (RWWCT). Then, ultimate suggestions are offered: photograph Watermarking in line with Magic sq. (MST) and photo watermarking in accordance with Magic sq. and Ridgelet rework (MSRTT). destiny study instructions are explored within the ultimate chapter.Designed for execs and researchers in special effects and imaging, electronic Watermarking innovations in Curvelet and Ridgelet area is additionally a great tool for advanced-level students.
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This booklet describes the layout, improvement, and trying out of a singular electronic watermarking method for colour photos utilizing Magic sq. and Ridgelet transforms. the radical characteristic of the tactic is that it generates and makes use of a number of copies of the electronic watermark. The ebook describes how the strategy used to be verified for embedding electronic watermarks into colour conceal pictures, leading to very excessive PSNR price and yielding related effects with present watermarking innovations.
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Additional resources for Digital Watermarking Techniques in Curvelet and Ridgelet Domain
This method is applied to text and to other binary images. Pengfei Wang and Yewang Chen  presented a watermarking process to be carried out during the JPEG quantization process. Based on the logistic system every DCT block is subdivided into four groups and all of the groups are check coded by the check bits to obtain the watermarked JPEG image. By checking the DCT groups the probability of tampering can be determined. Reza Mortezaei and Mohsen Ebrahimi Moghaddam  presented a lossless watermarking technique based on fuzzy logic.
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