Geometrically robust image watermarking using scale-invariant feature transform and Zernike moments - 源码 - 源码 - 免费下载

Geometrically robust image watermarking using scale-invariant feature transform and Zernike moments

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资源说明：In order to resist geometric attacks, a robust image watermarking algorithm is proposed using scale-invariant feature transform (SIFT) and Zernike moments. As SIFT features are invariant to rotation and scaling, we employ SIFT to extract feature points. Then circular patches are generated using the most robust points. An invariant watermark is generated from each circular patch based on Zernike moments. The watermark is embedded into multiple patches for resisting locally cropping attacks. Exper

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