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Tow Dimension Multiwavelet Watermarking In Segmented Image Watermark | ||
| Journal of Misan Researches | ||
| Article 1, Volume 11, Issue 21, 2015, Pages 45-54 | ||
| Authors | ||
| Mustafa. N. Mnati; Wael. H. Zayer | ||
| Abstract | ||
| The rapid expansion and proliferation of the Internet, development of high capacity storage devices and the advances of data digitization in recent decades all have rapidly increased the availability and exchange of digital data to the public. These facts, combined with faster personal computers and powerful data processing software, required a reliable copyright protection system of multimedia data (e.g. audio, images, video) against unauthorized copy, illegal distribution and forgery. Of the many approaches existent to protect digital data, especially multimedia data, digital watermarking is probably the one that has received the most interest. In this project we describe a transparency and a robust MDWT digital image watermarking algorithm. In the proposed algorithm, a multiple watermark images are embedded into segmented the RGB host image using a Discrete Multiwavelet Transform (DMWT).This algorithm greatly improves the watermarking efficiency, because its realization only requires taking DMWT or inverse DMWT (IDMWT) to the R, G, B elements of the color host image and watermarked image respectively. Our method yields fine image quality. Simulation results show that the watermarking system has good transparency | ||
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