Mesh repair with user-friendly topology control |
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Authors: | Franck Hé troy,Sté phanie Rey,Carlos Andú jar,Pere Brunet,À lvar Vinacua |
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Affiliation: | aINRIA Grenoble Rhône-Alpes, 655 avenue de l’Europe, F-38334 Saint Ismier, France;bUniversité de Grenoble & CNRS, Laboratoire Jean Kuntzmann, France;cUniversitat Politècnica de Catalunya, Barcelona, Spain |
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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 2-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 2-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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Keywords: | Topology Morphology Opening Closing 2-manifold |
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