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• W2393023426 abstract "The most existing image watermarking algorithms based on svd are robust for host image changed little.However,the singular value would be changed when host image is rotated and scaled,so the existing watermarking algorithms based on svd is insufficient for reisisting to geometric transform abilities.The most important reason is the existing watermarking algorithms are based on Cartesian coordinate,which is insufficient to rotation and scaling transform.Therefore,watermark embedding and extracting would not be synchronized.In order to solve the watermark non-synchronization on Cartesian coordinate,this paper proposes a robust watermarking algorithm resisting to geometric transform based on SVD in logarithm polar coordinate.The simulation experiment results demonstrate the proposed method is robust enough to rotation and scaling geometric degradation.Meanwhile,it is also robust for commonplace signal processing such as:adding noise,filtering and JPEG compression etc." @default.
• W2393023426 created "2016-06-24" @default.
• W2393023426 creator A5050845793 @default.
• W2393023426 date "2012-01-01" @default.
• W2393023426 modified "2023-09-23" @default.
• W2393023426 title "A Robust Blind Watermarking Algorithm Resisting to Geometric Transform based on SVD" @default.
• W2393023426 hasPublicationYear "2012" @default.
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