Robust watermarking based on histogram modification

Authors:
Manuel Cedillo Hernández;Mariko Nakano Miyatake;Héctor Pérez Meana
Affiliations:
Postgraduate and Research Section of ESIME Culhuacan, National Polytechnic Institute, Mexico City, Mexico;Postgraduate and Research Section of ESIME Culhuacan, National Polytechnic Institute, Mexico City, Mexico;Postgraduate and Research Section of ESIME Culhuacan, National Polytechnic Institute, Mexico City, Mexico
Venue:
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
Year:
2009

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Abstract

In this paper, a robust watermarking method against geometric distortions and common signal processing is proposed. This method is based on two modifications in the 2D histograms. In the first modification, a selected region of 2D histogram composed by R-G color components is modified according to the watermark pattern. In the second modification, another 2D histogram composed by B component and image feature is dynamically partitioned to embed the watermark pattern. The experimental results show robustness against several geometric distortions, common signal processing attacks and some combination attacks. Also the comparison with the prior methods shows the better performance of the proposed method.