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3-D Dynamic Mesh Compression using Wavelet-Based Multiresolution Analysis

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5 Author(s)
Jae-won Cho ; CREATIS, INSA-Lyon, CNRS UMR 5515, INSERM U630, 69100, Villeurbanne, France.; MSP Lab., Yeungnam Univ., 214-1 Dae-dong, Gyeongsan-si, 712-749, Gyeongsangbuk-do, Korea ; Min-su Kim ; Sebastien Valette ; Ho-youl Jung
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In this paper, we present a wavelet-based progressive compression method for 3-D dynamic meshes. Our method exploits the spatial and temporal redundancy. We encode the geometry of base mesh, the wavelet coefficients and the connectivity of each resolution level in order to reduce the spatial redundancy of intra meshes. For inter mesh coding, we encode the differences of geometry of base meshes and of their wavelet coefficients between adjacent frames to reduce the temporal redundancy. Our proposal is based on the wavelet-based multiresolution analysis which uses a perfect reconstruction filter bank and therefore it enables not only progressive representation but also lossless compression. The simulation results demonstrate that the proposed method is applicable to lossy and lossless compression of 3-D dynamic meshes.

Published in:

2006 International Conference on Image Processing

Date of Conference:

8-11 Oct. 2006