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An ICA-Based Watermarking Scheme Resistant to Copy Attack
基于ICA的抗拷贝攻击的数字水印方案

Keywords: Digital watermarking,Independent Component Analysis (ICA),Copy attack
数字水印
,独立分量分析,拷贝攻击

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Abstract:

A digital watermarking scheme is proposed in this paper, which is based on Independent Component Analysis (ICA) and able to resist copy attack effectively. In this algorithm, both the image signature describing the original image uniquely and the watermark are embedded into the original image synchronously and extracted through ICA techniques. By comparing the re-calculated signature of the marked image according to the image signature algorithm with the extracted one, the legality of the marked image can be determined and the purpose of resistance to copy attack can also be realized. Simulation results demonstrate the robustness and validity of this proposed method.

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