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Robust and blind mesh watermarking based on volume moments

Authors
Journal
Computers & Graphics
0097-8493
Publisher
Elsevier
Volume
35
Issue
1
Identifiers
DOI: 10.1016/j.cag.2010.09.010
Keywords
  • 3D Mesh
  • Digital Watermarking
  • Robustness
  • Blindness
  • Volume Moment
  • Imperceptibility
  • Causality Problem
Disciplines
  • Computer Science
  • Mathematics

Abstract

Abstract This paper presents a robust and blind watermarking algorithm for three-dimensional (3D) meshes. The watermarking primitive is an intrinsic 3D shape descriptor: the analytic and continuous geometric volume moment. During watermark embedding, the input mesh is first normalized to a canonical and robust spatial pose by using its global volume moments. Then, the normalized mesh is decomposed into patches and the watermark is embedded through a modified scalar Costa quantization of the zero-order volume moments of some selected candidate patches. Experimental results and comparisons with the state of the art demonstrate the effectiveness of the proposed approach.

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