| Consensus Meshing |
| Ryan Schmidt, Patricio Simari |
| Shape Modeling International 2012 - College Station, Texas, May 2012 |
Downloads: [PDF] [Slides (PPTX)]
| Abstract |
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Consider an algorithm for generating a triangle mesh interpolating a fixed set of 3D point samples, where the generated triangle set varies depending on some underlying parameters. In this paper we treat such an algorithm as a means of sampling the space of possible interpolant meshes, and then define a more robust algorithm based on drawing multiple such samples from this process and averaging them. As mesh connectivity graphs cannot be trivially averaged, we compute triangle statistics and then attempt to find a set of compatible triangles which maximize agreement between the sample meshes while also forming a manifold mesh. Essentially, each sample mesh “votes” for triangles, and hence we call our result a consensus mesh. Finding the optimal consensus mesh is combinatorially intractable, so we present an ecient greedy algorithm. We apply this strategy to two mesh generation processes - ball pivoting and localized tangent-space Delaunay triangulations. We then demonstrate that consensus meshing enables a generic decomposition of the meshing problem which supports trivial parallelization. |
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| BibTex Citation |
@InProceedings{SS12,
author = "Ryan Schmidt and Patricio Simari",
title = "Consensus Meshing",
booktitle = "SMI '12: Proc. Shape Modeling International 2012",
year = "2012",
pages = "??",
url = "http://www.dgp.toronto.edu/~rms/pubs/ConsensusMeshingSMI12.html"
}
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