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DOI : 10.1016/j.cag.2003.10.017

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Computers & Graphics 28, 1 (2004) 35-42

Compression of 3D Triangular Meshes with Progressive Precision

Sébastien Valette 1, Alexandre Gouaillard 1, Rémy Prost 1

(2004)

In this paper we introduce a novel approach for progressive transmission of three-dimensional (3D) triangular meshes. This algorithm is based on a new reversing approach of the irregular mesh subdivision that enables a wavelet representation of any mesh geometry. In this paper, we show how to achieve progressive compression of 3D models by transmitting more and more wavelet coef cients computed from the original mesh vertices coordinates. The connectivity of the reconstructed mesh remains the same as the original one, but its geometry is progressively re ned by means of bitplane encoding. This approach processes directly oating point coordinates which is the most common representation for 3D meshes, and does not need quantization, which is a lossy transformation. Experimental results are given and demonstrate the efficiency of our encoding scheme versus other approaches.

1 :	Centre de recherche et d'applications en traitement de l'image et du signal (CREATIS)
	INSERM : U630 – Université Claude Bernard - Lyon I – Institut National des Sciences Appliquées (INSA) - Lyon – École Supérieure Chimie Physique Électronique de Lyon – CNRS : UMR5515

Domaine

:

Informatique/Traitement du signal et de l'image Sciences de l'ingénieur/Traitement du signal et de l'image

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Contributeur : Sébastien Valette <>

Soumis le : Mercredi 17 Novembre 2010, 14:59:44

Dernière modification le : Vendredi 19 Novembre 2010, 09:19:59