Robust Color Image Watermarking Technique Based on Wavelet Transform and Edges Detection | ||
| Al-Mustansiriyah Journal of Science | ||
| Article 1, Volume 25, Issue 4, December 2014, Pages 33-44 | ||
| Author | ||
| Assad Aflah Kassam | ||
| Abstract | ||
| In this paper, we propose the robust color image watermarking technique based on wavelet domain and properties of human visual system for the copyright protection. Watermark embedding process is carried out by transforming the color image into wavelet domain and then edge detection process is used to determine the suitable locations to hide the watermark in the image coefficients. The watermark is embedded in the coefficients of low frequency subband after detect the structural edges in order to achieve the optimal tradeoff between watermark robustness and invisibility. Experimental results show that the proposed technique improves the robustness and invisibility which are known to be conflict to each other. The invisibility performance of proposed technique was evaluated by three image quality metrics are PSNR, UQI and SSIM. The evaluation results exhibit the high robustness of the proposed technique against the common image processing operations | ||
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