Simplification Resilient LDPC-Coded Sparse-QIM Watermarking for 3D-Meshes release_hectjichjjhlhlzxf567xj3kbe

by Bata Vasic, Bane Vasic

Released as a article .

2013  

Abstract

We propose a blind watermarking scheme for 3-D meshes which combines sparse quantization index modulation (QIM) with deletion correction codes. The QIM operates on the vertices in rough concave regions of the surface thus ensuring impeccability, while the deletion correction code recovers the data hidden in the vertices which is removed by mesh optimization and/or simplification. The proposed scheme offers two orders of magnitude better performance in terms of recovered watermark bit error rate compared to the existing schemes of similar payloads and fidelity constraints.
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Type  article
Stage   accepted
Date   2013-07-25
Version   v3
Language   en ?
arXiv  1204.2214v3
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