InforLorV4, PascalFrancis, Checkpoint, bibRecord, 000254

Algorithm 889: Jet_fitting_3: A Generic C++ Package for Estimating the Differential Properties on Sampled Surfaces via Polynomial Fitting

Identifieur interne : 000254 ( PascalFrancis/Checkpoint ); précédent : 000253; suivant : 000255

Algorithm 889: Jet_fitting_3: A Generic C++ Package for Estimating the Differential Properties on Sampled Surfaces via Polynomial Fitting

Auteurs : Frédéric Cazals [France] ; Marc Pouget [France]

Source :

ACM transactions on mathematical software [ 0098-3500 ] ; 2009.

RBID : Pascal:10-0183870

Descripteurs français

Pascal (Inist)
- Reconstruction surface, Ajustement courbe, Informatique diffuse, Numérisation, Conception assistée, Infographie, Géométrie algorithmique, Vision ordinateur, Programmation générique, Progiciel, Codage, Conversion, Propriété surface, Ajustement surface, Date, Bibliothèque, Interpolation polynomiale, Système coordonnée, Résolution problème, Approximation asymptotique, Modélisation, Borne erreur, Algèbre linéaire, Algèbre opérateur, ., Génération maille.
Wicri :
- topic : Numérisation, Codage, Bibliothèque.

English descriptors

KwdEn :
- Asymptotic approximation, Coding, Computational geometry, Computer aided design, Computer graphics, Computer vision, Conversion, Coordinate system, Curve fitting, Date, Digitizing, Error bound, Generic programming, Library, Linear algebra, Mesh generation, Modeling, Operator algebra, Pervasive computing, Polynomial interpolation, Problem solving, Software package, Surface fitting, Surface properties, Surface reconstruction.

Abstract

Surfaces of R³ are ubiquitous in science and engineering, and estimating the local differential properties of a surface discretized as a point cloud or a triangle mesh is a central building block in computer graphics, computer aided design, computational geometry, and computer vision. One strategy to perform such an estimation consists of resorting to polynomial fitting, either interpolation or approximation, but this route is difficult for several reasons: choice of the coordinate system, numerical handling of the fitting problem, and extraction of the differential properties. This article presents a generic C++ software package solving these problems. On the theoretical side and as established in a companion paper, the interpolation and approximation methods provided achieve the best asymptotic error bounds known to date. On the implementation side and following state-of-the-art coding rules in computational geometry, genericity of the package is achieved thanks to four template classes accounting for, (a) the type of the input points, (b) the internal geometric computations, (c) a conversion mechanism between these two geometries, and (d) the linear algebra operations. An instantiation within the Computational Geometry Algorithms Library (CGAL, version 3.3) and using LAPACK is also provided.

Affiliations:

France

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Le document en format XML

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<name sortKey="Pouget, Marc" sort="Pouget, Marc" uniqKey="Pouget M" first="Marc" last="Pouget">Marc Pouget</name>
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   |texte=   Algorithm 889: Jet_fitting_3: A Generic C++ Package for Estimating the Differential Properties on Sampled Surfaces via Polynomial Fitting
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Algorithm 889: Jet_fitting_3: A Generic C++ Package for Estimating the Differential Properties on Sampled Surfaces via Polynomial Fitting

Algorithm 889: Jet_fitting_3: A Generic C++ Package for Estimating the Differential Properties on Sampled Surfaces via Polynomial Fitting

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