digital surface

Piecewise smooth reconstruction of normal vector field on digital data
We propose a novel method to regularize a normal vector field defined on a digital surface (boundary of a set of voxels). When the …
D. Coeurjolly, M. Foare, P. Gueth, Jacques-Olivier Lachaud
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Piecewise smooth reconstruction of normal vector field on digital data
Properties of Gauss Digitized Shapes and Digital Surface Integration
This paper presents new topological and geometric properties of Gauss digitizations of Euclidean shapes, most of them holding in …
Jacques-Olivier Lachaud, B. Thibert
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Properties of Gauss Digitized Shapes and Digital Surface Integration
Scale-space feature extraction on digital surfaces
A classical problem in many computer graphics applications consists in extracting significant zones or points on an object surface, …
J. Levallois, D. Coeurjolly, Jacques-Olivier Lachaud
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Scale-space feature extraction on digital surfaces
Multigrid convergence of digital curvature estimators
Invited talk.
Nov 18, 2013 12:00 AM — Nov 22, 2013 12:00 AM Centre International de Recherche Mathématique (CIRM), Luminy, France
Jacques-Olivier Lachaud
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Multigrid convergence of digital curvature estimators
Maximal Planes and Multiscale Tangential Cover of 3D Digital Objects
The sequence of maximal segments (i.e. the tangential cover) along a digital boundary is an essential tool for analyzing the geometry …
E. Charrier, Jacques-Olivier Lachaud
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Maximal Planes and Multiscale Tangential Cover of 3D Digital Objects
Géométrie discréte et images numériques
La topologie digitale est l’étude des propriétés des objets discrets qui sont indépendantes de leurs propriétés métriques. …
Jacques-Olivier Lachaud, R. Malgouyres
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Géométrie discréte et images numériques
Coding cells of digital spaces: a framework to write generic digital topology algorithms
This paper proposes a concise coding of the cells of n-dimensional finite regular grids. It induces a simple, generic and efficient …
Jacques-Olivier Lachaud
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Coding cells of digital spaces: a framework to write generic digital topology algorithms
Discrete deformable boundaries for the segmentation of multidimensional images
Energy-minimizing techniques are an interesting approach to the segmentation problem. They extract image components by deforming a …
Jacques-Olivier Lachaud, A. Vialard
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Discrete deformable boundaries for the segmentation of multidimensional images
Digital Surfaces as a Basis for Building Iso-surfaces
This work highlights the relation existing between isosurfaces of an image with a given threshold (as classically computed by a …
Jacques-Olivier Lachaud, A. Montanvert
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Digital Surfaces as a Basis for Building Iso-surfaces