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Progressive compression of 3D triangular meshes using topology-based Karhunen-Loève transform

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6 Author(s)
Jae-Kyun Ahn ; School of Electrical Engineering, Korea University, Seoul, Korea ; Dae-Youn Lee ; Minsu Ahn ; James Do Kyoon Kim
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In this work, we propose a progressive compression algorithm using topology-based Karhunen-Loeve transform(KLT). First, we simplify an input mesh to represents an original mesh in several level of details. Then, coordinates of decimated vertices at each level are predicted from the coarser level mesh, and the prediction residuals are transmitted to a decoder. To provide high coding efficiency, we apply the topology-based KLT, which compacts the energy into a few coefficients, to the prediction residuals. Moreover, we develop a bit plane coder, which uses a context-adaptive arithmetic coder, for the entropy coding. Experiments on various 3D meshes show that the proposed algorithm provides enhanced compression performance.

Published in:

2010 IEEE International Conference on Image Processing

Date of Conference:

26-29 Sept. 2010