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New image watermarking algorithm based on mixed scales wavelets

[+] Author Affiliations
Mohamed El Hajji

Ibn Zohr University, Faculty of Sciences, IRF-SIC Laboratory, Agadir, Morocco

Hassan Douzi

Ibn Zohr University, Faculty of Sciences, IRF-SIC Laboratory, Agadir, Morocco

Driss Mammass

Ibn Zohr University, Faculty of Sciences, IRF-SIC Laboratory, Agadir, Morocco

Rachid Harba

Institute PRISM, Polytech’Orléans, 12 Rue de Blois, 45067 Orleans CEDEX 2, France

Frédéric Ros

Institute PRISM, Polytech’Orléans, 12 Rue de Blois, 45067 Orleans CEDEX 2, France

J. Electron. Imaging. 21(1), 013003 (Feb 27, 2012). doi:10.1117/1.JEI.21.1.013003
History: Received July 24, 2011; Revised December 7, 2011; Accepted December 28, 2011
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Abstract.  Watermarking is a technology for embedding secure information in digital content such as audio, images, and video. An effective watermarking algorithm is proposed based on a discrete wavelet transform (DWT) using mixed scales representation. The watermark is embedded in dominant blocks using quantization index modulation (QIM). These dominant blocks correspond to the texture and contour zones. Experimental results demonstrate that the proposed method is robust against various attacks and improves watermark invisibility.

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© 2012 SPIE and IS&T

Citation

Mohamed El Hajji ; Hassan Douzi ; Driss Mammass ; Rachid Harba and Frédéric Ros
"New image watermarking algorithm based on mixed scales wavelets", J. Electron. Imaging. 21(1), 013003 (Feb 27, 2012). ; http://dx.doi.org/10.1117/1.JEI.21.1.013003


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