4 March 2015 Disparity estimation and disparity-coherent watermarking
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In the context of stereo video, disparity-coherent watermarking has been introduced to provide superior robustness against virtual view synthesis, as well as to improve perceived fidelity. Still, a number of practical considerations have been overlooked and in particular the role of the underlying depth estimation tool on performances. In this article, we explore the interplay between various stereo video processing primitives and highlight a few take away lessons that should be accounted for to improve performances of future disparity-coherent watermarking systems. In particular, we highlight how lost correspondences during the stereo warping process impact watermark detection, thereby calling for innovative designs.
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Hasan Sheikh Faridul, Gwenaël Doërr, Séverine Baudry, "Disparity estimation and disparity-coherent watermarking", Proc. SPIE 9409, Media Watermarking, Security, and Forensics 2015, 94090O (4 March 2015); doi: 10.1117/12.2082535; https://doi.org/10.1117/12.2082535


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