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- W85220917 abstract "In this chapter, a robust image watermarking algorithm in discrete wavelet transform (DWT) domain for stereo image coding is presented. First, a disparityimage is computed from the pair of stereo images using a frequency domain based matching criteria. Later, this disparity-image is used as a watermark and embedded into the left stereo image based on a modifying singular values concept. The strength of watermark is optimized using a real coded genetic algorithm to achieve the task of invisibility and robustness. The proposed scheme can achieve the following three main advantages. Any illegal user can not extract any information from the watermarked image since the host image is degraded using the ZIG-ZAG sequence. The second is that a legal user can retrieve the embedded watermark (disparity-image) and so able to recover 3-D information and right image of the stereo-pair. The third advantage is its robustness to the various attacks. Experimental results are presented to evaluate the performance of proposed algorithm in terms of accuracy and robustness." @default.
- W85220917 created "2016-06-24" @default.
- W85220917 creator A5009706553 @default.
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- W85220917 date "2009-01-01" @default.
- W85220917 modified "2023-09-23" @default.
- W85220917 title "An Optimally Robust Digital Watermarking Algorithm for Stereo Image Coding" @default.
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- W85220917 doi "https://doi.org/10.1007/978-3-642-02900-4_18" @default.
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