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In order to protect the copyright of the color image, a novel robust color image watermarking method using correlations of RGB channels is presented. RGB three channels of the color image have much strong correlations, which are stable under various image attacks, and thus these correlations can be mined to embed watermark for robustness. In order to keep RGB correlations and chrominance perception,...
In the past decade, various fragile digital watermarking techniques have been proposed for monoscopic image authentication and temper detection. In this paper, a novel binocular visual characteristics based pixel-wise fragile watermarking scheme for stereoscopic image authentication and tamper detection is proposed. The scheme consists of two processes: embedding of the stereoscopic image authentication...
A new robust watermarking approach is proposed in wavelet domain in this paper. It is robust to both compressive and geometric attacks. The watermark is embedded into the wavelet transform modulus maxima (WTMM) of the host image, which is shift-invariant compared to the other wavelet domain watermarking approaches. On the other hand, scale and rotation invariants are achieved by the geometric normalization...
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