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Fitting Polynomial Volumes to Surface Meshes with Voronoï Squared Distance Minimization

Identifieur interne : 000F97 ( Hal/Checkpoint ); précédent : 000F96; suivant : 000F98

Fitting Polynomial Volumes to Surface Meshes with Voronoï Squared Distance Minimization

Auteurs : Gilles-Philippe Paillé [Canada] ; Pierre Poulain [Canada] ; Bruno Lévy [France]

Source :

RBID : Hal:hal-00930030

Abstract

We propose a method for mapping polynomial volumes. Given a closed surface and an initial template volume grid, our method deforms the template grid by fitting its boundary to the input surface while minimizing a vol- ume distortion criterion. The result is a point-to-point map distorting linear cells into curved ones. Our method is based on several extensions of Voronoi Squared Distance Minimization (VSDM) combined with a higher-order finite element formulation of the deformation energy. This allows us to globally optimize the mapping without prior parameterization. The anisotropic VSDM formulation allows for sharp and semi-sharp features to be im- plicitly preserved without tagging. We use a hierarchical finite element function basis that selectively adapts to the geometric details. This makes both the method more efficient and the representation more compact. We ap- ply our method to geometric modeling applications in computer-aided design and computer graphics, including mixed-element meshing, mesh optimization, subdivision volume fitting, and shell meshing.

Url:
DOI: 10.1111/cgf.12177

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Hal:hal-00930030

Le document en format XML

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<author role="aut">
<persName>
<forename type="first">Pierre</forename>
<surname>Poulain</surname>
</persName>
<idno type="halAuthorId">968352</idno>
<orgName ref="#struct-300447"></orgName>
<affiliation ref="#struct-25645"></affiliation>
</author>
<author role="aut">
<persName>
<forename type="first">Bruno</forename>
<surname>Lévy</surname>
</persName>
<email>Bruno.Levy@inria.fr</email>
<idno type="idHal">bruno-levy</idno>
<idno type="halAuthorId">136280</idno>
<idno type="arXiv">http://arxiv.org/a/brlevy</idno>
<orgName ref="#struct-300009"></orgName>
<affiliation ref="#struct-205118"></affiliation>
</author>
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<monogr>
<idno type="halJournalId" status="VALID">12023</idno>
<idno type="issn">0167-7055</idno>
<idno type="eissn">1467-8659</idno>
<title level="j">Computer Graphics Forum</title>
<imprint>
<publisher>Wiley</publisher>
<biblScope unit="volume">32</biblScope>
<biblScope unit="issue">5</biblScope>
<biblScope unit="pp">103-112</biblScope>
<date type="datePub">2013-08</date>
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</monogr>
<idno type="doi">10.1111/cgf.12177</idno>
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<langUsage>
<language ident="en">English</language>
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<classCode scheme="halDomain" n="info.info-cg">Computer Science [cs]/Computational Geometry [cs.CG]</classCode>
<classCode scheme="halDomain" n="info.info-gr">Computer Science [cs]/Graphics [cs.GR]</classCode>
<classCode scheme="halTypology" n="ART">Journal articles</classCode>
</textClass>
<abstract xml:lang="en">We propose a method for mapping polynomial volumes. Given a closed surface and an initial template volume grid, our method deforms the template grid by fitting its boundary to the input surface while minimizing a vol- ume distortion criterion. The result is a point-to-point map distorting linear cells into curved ones. Our method is based on several extensions of Voronoi Squared Distance Minimization (VSDM) combined with a higher-order finite element formulation of the deformation energy. This allows us to globally optimize the mapping without prior parameterization. The anisotropic VSDM formulation allows for sharp and semi-sharp features to be im- plicitly preserved without tagging. We use a hierarchical finite element function basis that selectively adapts to the geometric details. This makes both the method more efficient and the representation more compact. We ap- ply our method to geometric modeling applications in computer-aided design and computer graphics, including mixed-element meshing, mesh optimization, subdivision volume fitting, and shell meshing.</abstract>
<particDesc>
<org type="consortium">Au Québec : FQRNT</org>
<org type="consortium">NSERC</org>
<org type="consortium">GRAND</org>
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</profileDesc>
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