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Robust Watermarking on Polygonal Meshes Using Distribution of Vertex Norms

  • Jae-Won Cho
  • Min-Su Kim
  • R. Prost
  • Hyun-Yeol Chung
  • Ho-Youl Jung
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3304)

Abstract

Most watermarking techniques for 3-D mesh models have mainly focused on robustness against various attacks, such as adding noise, smoothing, simplification, re-meshing, clipping, and so on. These attacks perceptually damage the stego model itself. Unlike watermarking of other multimedia data, serious attacks for 3-D meshes includes similarity transform and vertex re-ordering. They can fatally destroy the watermark without any perceptual degradation of the stego model. In this paper, we propose a new watermarking technique for 3-D polygonal mesh model, which modifies the distribution of vertex norms according to watermark bit to be embedded. In particular, the proposed employs blind watermark detection technique, which extracts the watermark without referring to cover meshes. The simulation results show that the proposed is remarkably robust against similarity transform and vertex re-ordering.

Keywords

Watermark Scheme Mesh Model Watermark Technique Polygonal Mesh Watermark Extraction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Jae-Won Cho
    • 1
    • 2
  • Min-Su Kim
    • 1
    • 2
  • R. Prost
    • 2
  • Hyun-Yeol Chung
    • 1
  • Ho-Youl Jung
    • 1
  1. 1.Dept. of Info. and Comm. Eng.University of YeungnamKorea
  2. 2.CREATISINSA de LyonFrance

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