A Color Watermarking Scheme Based on Block-SVD and Arnold Transformation
作者：
DOI: 10.1109/DMAMH.2007.2
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摘要: This paper proposes a color watermarking scheme based on block-SVD and Arnold transformation. Color watermark means more meaningful information could be concealed in host image. Block-SVD has faster speed than SVD algorithm. We can adjust the block size according to amount of embedded. Watermark's pixel is buried maximum singular value (SV) bit each obtained from transformation image RGB channel. In order enhance security resistance cropping scheme, applied scrambling pretreatment. Experimental results show robustness proposed against common processing operations, such as Gaussian noise addition, low pass filtering, lossy JPEG compression, rescaling, so on.
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