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Mesh repair with user-friendly topology control

Franck Hétroy 1, 2 Stéphanie Rey 1 Carlos Andujar 3 Pere Brunet 3 Alvar Vinacua 3
1 EVASION - Virtual environments for animation and image synthesis of natural objects
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology
2 MORPHEO - Capture and Analysis of Shapes in Motion
Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology, LJK - Laboratoire Jean Kuntzmann, Inria Grenoble - Rhône-Alpes
Abstract : Limitations of current 3D acquisition technology often lead to polygonal meshes exhibiting a number of geometrical and topological defects which prevent them from widespread use. In this paper we present a new method for model repair which takes as input an arbitrary polygonal mesh and outputs a valid two-manifold triangle mesh. Unlike previous work, our method allows users to quickly identify areas with potential topological errors and to choose how to fix them in a user-friendly manner. Key steps of our algorithm include the conversion of the input model into a set of voxels, the use of morphological operators to allow the user to modify the topology of the discrete model, and the conversion of the corrected voxel set back into a two-manifold triangle mesh. Our experiments demonstrate that the proposed algorithm is suitable for repairing meshes of a large class of shapes.
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Submitted on : Monday, October 4, 2010 - 11:06:36 AM
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Franck Hétroy, Stéphanie Rey, Carlos Andujar, Pere Brunet, Alvar Vinacua. Mesh repair with user-friendly topology control. Computer-Aided Design, Elsevier, 2011, 43 (1), pp.101-113. ⟨10.1016/j.cad.2010.09.012⟩. ⟨inria-00523005⟩



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