curvature estimation

Robust and Convergent Curvature and Normal Estimators with Digital Integral Invariants
We present, in details, a generic tool to estimate differential geometric quantities on digital shapes, which are subsets of …
Jacques-Olivier Lachaud, D. Coeurjolly, J. Levallois
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Robust and Convergent Curvature and Normal Estimators with Digital Integral Invariants
Convergent Geometric Estimators with Digital Volume and Surface Integrals
Keynote speaker at DGCI 2016, Nantes.
Apr 18, 2016 9:00 AM — 10:00 AM Nantes, France
Jacques-Olivier Lachaud
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Convergent Geometric Estimators with Digital Volume and Surface Integrals
Convergent Geometric Estimators with Digital Volume and Surface Integrals
This paper presents several methods to estimate geometric quantities on subsets of the digital space Zd. We take an interest both on …
Jacques-Olivier Lachaud
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Convergent Geometric Estimators with Digital Volume and Surface Integrals
Interactive Curvature Tensor Visualization on Digital Surfaces
Interactive visualization is a very convenient tool to explore complex scientific data or to try different parameter settings for a …
H. Perrier, J. Levallois, D. Coeurjolly, J. -P. Farrugia, J. -C. Iehl, Jacques-Olivier Lachaud
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Interactive Curvature Tensor Visualization on Digital Surfaces
Multigrid convergent principal curvature estimators in digital geometry
In many geometry processing applications, the estimation of differential geometric quantities such as curvature or normal vector field …
D. Coeurjolly, Jacques-Olivier Lachaud, J. Levallois
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Multigrid convergent principal curvature estimators in digital geometry
Parameter-Free and Multigrid Convergent Digital Curvature Estimators
In many geometry processing applications, the estimation of differential geometric quantities such as curvature or normal vector field …
J. Levallois, D. Coeurjolly, Jacques-Olivier Lachaud
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Parameter-Free and Multigrid Convergent Digital Curvature Estimators
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
Integral based Curvature Estimators in Digital Geometry
In many geometry processing applications, the estimation of differential geometric quantities such as curvature or normal vector field …
D. Coeurjolly, Jacques-Olivier Lachaud, J. Levallois
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Integral based Curvature Estimators in Digital Geometry
Accurate Curvature Estimation along Digital Contours with Maximal Digital Circular Arcs
We propose in this paper a new curvature estimator based on the set of maximal digital circular arcs. For strictly convex shapes with …
T Roussillon, Jacques-Olivier Lachaud
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Accurate Curvature Estimation along Digital Contours with Maximal Digital Circular Arcs
Curvature estimation along noisy digital contours by approximate global optimization
In this paper, we introduce a new curvature estimator along digital contours, which we called global min-curvature (GMC) estimator. As …
B. Kerautret, Jacques-Olivier Lachaud
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Curvature estimation along noisy digital contours by approximate global optimization