Spectral decomposition of meshes and application to watermarking

Patrice Rondao Alface; Francois Cayre; Benoit M. M. Macq

doi:10.1117/12.512551

19 November 2003 Spectral decomposition of meshes and application to watermarking

Patrice Rondao Alface, Francois Cayre, Benoit M. M. Macq

Proceedings Volume 5203, Applications of Digital Image Processing XXVI; (2003) https://doi.org/10.1117/12.512551
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Over the past decade, very fruitful efforts have converged to offer tools devoted to the processing of meshes. Spectral decomposition of mesh geometry has first found its applications in both filtering and mesh partitioning. It has been lately extended to address transmission and watermarking issues. Such a decomposition gives rise to pseudo-frequential information of the geometry defined over the mesh connectivity. For large meshes a piecewise decomposition has to be applied in order to restrict the complexity of the transform. In this paper, we propose a lapped spectral representation for compression and watermarking purposes.

Citation Download Citation

Patrice Rondao Alface, Francois Cayre, and Benoit M. M. Macq "Spectral decomposition of meshes and application to watermarking", Proc. SPIE 5203, Applications of Digital Image Processing XXVI, (19 November 2003); https://doi.org/10.1117/12.512551

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