Blind detection for disparity-coherent stereo video watermarking

César Burini; Séverine Baudry; Gwenaël Doërr

doi:10.1117/12.2037349

19 February 2014 Blind detection for disparity-coherent stereo video watermarking

César Burini, Séverine Baudry, Gwenaël Doërr

Proceedings Volume 9028, Media Watermarking, Security, and Forensics 2014; 90280B (2014) https://doi.org/10.1117/12.2037349
Event: IS&T/SPIE Electronic Imaging, 2014, San Francisco, California, United States

Abstract

Stereo video content calls for new watermarking strategies, e.g. to achieve robustness against virtual view synthesis. Prior works focused either on inserting the watermark in an invariant domain or on guaranteeing that the watermarks introduced in the left and right views are coherent with the disparity of the scene. However, the first approach raises fidelity issues while the second requires side information at detection i.e. the detector is not blind. In this paper, we propose a new blind detection procedure for disparity-coherent watermarks. In a nutshell, the detector relies on cross-correlation to aggregate the scattered pieces of the embedded reference watermark pattern rather than warping the reference pattern according to the parameters of the current view prior to detection. Reported experimental results indicate that this revisited detector successfully manages to retrieve embedded watermarks even after lossy compression.

Citation Download Citation

César Burini, Séverine Baudry, and Gwenaël Doërr "Blind detection for disparity-coherent stereo video watermarking", Proc. SPIE 9028, Media Watermarking, Security, and Forensics 2014, 90280B (19 February 2014); https://doi.org/10.1117/12.2037349

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