Delaunay Stability via Perturbations

Jean-Daniel Boissonnat 1 Ramsay Dyer 2 Arijit Ghosh 3
1 GEOMETRICA - Geometric computing
CRISAM - Inria Sophia Antipolis - Méditerranée , Inria Saclay - Ile de France
2 Johann Bernoulli Institute for Mathematics and Computer Science
3 Algorithms and Complexity
MPII - Max-Planck-Institut für Informatik
Abstract : We present an algorithm that takes as input a finite point set in Rm , and performs a perturbation that guarantees that the Delaunay triangulation of the resulting perturbed point set has quantifiable stability with respect to the metric and the point positions. There is also a guarantee on the quality of the simplices: they cannot be too flat. The algorithm provides an alternative tool to the weighting or refinement methods to remove poorly shaped simplices in Delaunay triangulations of arbitrary dimension, but in addition it provides a guarantee of stability for the resulting triangulation.
Keywords : Delaunay triangulation stability perturbation
Type de document :
Article dans une revue
International Journal of Computational Geometry and Applications, World Scientific Publishing, 2014, 24, pp.125 - 152. 〈10.1142/S021819591450006X〉
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https://hal.inria.fr/hal-01097086
Contributeur : Jean-Daniel Boissonnat <>
Soumis le : jeudi 18 décembre 2014 - 17:35:05
Dernière modification le : samedi 27 janvier 2018 - 01:31:46
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Jean-Daniel Boissonnat, Ramsay Dyer, Arijit Ghosh. Delaunay Stability via Perturbations. International Journal of Computational Geometry and Applications, World Scientific Publishing, 2014, 24, pp.125 - 152. 〈10.1142/S021819591450006X〉. 〈hal-01097086〉

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