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Anti-Cropping Blind Resynchronization for 3D Watermarking


Radial-based 3D watermarking alters the distances between the center of mass of the 3D mesh and its vertices. These watermarking systems are inherently sensitive to cropping. To address this limitation, this paper introduces a complementary blind resynchronization module to transmit critical synchronization information to the watermark decoder. Spherical patterns formed by several secret landmark vertices are embedded alongside the payload and blindly retrieved by the decoder, thereby conveying the synchronization information needed. Experimental results showcase significant improvement against cropping, while preserving performances against valumetric attacks thanks to a control parameter that automatically switches between alternate resynchronization modes.
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Dates and versions

hal-01111196 , version 1 (29-01-2015)


  • HAL Id : hal-01111196 , version 1


Rolland-Nevière Xavier, Gwenaël Doërr, Pierre Alliez. Anti-Cropping Blind Resynchronization for 3D Watermarking. IEEE International Conference on Acoustic, Speech Signal Processing (ICASSP), Apr 2015, Brisbane, Australia. ⟨hal-01111196⟩
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