Watermarking schema using an artificial immune system in spatial domain

Authors:
Oğuz Findik;İsmail Babaoğlu;Erkan Ülker
Affiliations:
Selcuk University, Selcuklu - Konya / Turkey;Selcuk University, Selcuklu - Konya / Turkey;Selcuk University, Selcuklu - Konya / Turkey
Venue:
Proceedings of the 2nd International Conference on Interaction Sciences: Information Technology, Culture and Human
Year:
2009

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Abstract

In this paper, we propose a robust watermarking method for image copyright protection in spatial domain based on artificial immune system (AIS). Our method optimizes robustness and imperceptibility which are known to be inversely proportional to each other. The robustness of our watermark method was tested extensively against attacks by lossy JPEG compression. Performance of proposed method was evaluated by comparing with the genetic watermarking method and also the randomly chosen block based watermark method. The experiments indicate that our method is better at robustness over genetic watermarking method. We have shown that our method improves the robustness and imperceptibility comparing with the randomly chosen block based watermarking.