Watermarking of uncompressed and compressed video
Signal Processing
Watermarking algorithm based on a human visual model
Signal Processing
Attacks on Copyright Marking Systems
Proceedings of the Second International Workshop on Information Hiding
Cocktail Watermarking on Images
IH '99 Proceedings of the Third International Workshop on Information Hiding
Image-adaptive watermarking using visual models
IEEE Journal on Selected Areas in Communications
Multiresolution scene-based video watermarking using perceptual models
IEEE Journal on Selected Areas in Communications
IEEE Journal on Selected Areas in Communications
Visibility of wavelet quantization noise
IEEE Transactions on Image Processing
Secure spread spectrum watermarking for multimedia
IEEE Transactions on Image Processing
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In this paper, a novel image protection scheme using "complementary modulations" is proposed. In order to satisfy the robustness requirement, two watermarks are embedded into a host image to play complementary roles so that at least one watermark survives any attack. Statistical analysis is conducted to derive the lower bound of the worst likelihood that the better watermark (of the two) can be extracted. With this "high" lower bound, it is ensured that a "better" extracted watermark is always obtained. Experimental results demonstrate that our watermarking scheme is remarkably effective in resisting various attacks.