Structure-Aware Mesh Decimation

David Salinas 1 Florent Lafarge 1 Pierre Alliez 1
1 TITANE - Geometric Modeling of 3D Environments
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : We present a novel approach for the decimation of trian-gle surface meshes. Our algorithm takes as input a triangle surface mesh and a set of planar proxies detected in a pre-processing analysis step, and structured via an adjacency graph. It then performs greedy mesh decimation through a series of edge collapse, designed to approximate the local mesh geometry as well as the geometry and structure of proxies. Such structure-preserving approach is well suited to planar abstraction, i.e., extreme decimation approxi-mating well the planar parts while filtering out the others. Our experiments on a variety of inputs illustrate the po-tential of our approach in terms of improved accuracy and preservation of structure.
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David Salinas, Florent Lafarge, Pierre Alliez. Structure-Aware Mesh Decimation. Computer Graphics Forum, Wiley, 2015, pp.20. ⟨hal-01111203⟩

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