Jacques-Olivier Lachaud
Jacques-Olivier Lachaud
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A Simple Discrete Calculus for Digital Surfaces
Computing differential quantities or solving partial derivative equations on discrete surfaces is at the core of many geometry …
David Coeurjolly
,
Jacques-Olivier Lachaud
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Code
Project
Corrected Curvature Measures
This paper proposes a new mathematical and computational tool for infering the geometry of shapes known only through approximations …
Jacques-Olivier Lachaud
,
Pascal Romon
,
Boris Thibert
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Code
Project
DOI
URL
Graduate School on Digital Geometry
A graduate school on digital geometry for the geometry processing community.
Jul 11, 2021 1:30 PM — 3:00 PM
Toronto, Ontario (virtual)
David Coeurjolly
,
Jacques-Olivier Lachaud
Code
Project
Video
Slides (PDF)
Slides (Keynote)
Digital Surface Regularization With Guarantees
Digital objects and digital surfaces are isothetic structures per se. Such surfaces are thus not adapted to direct visualization with …
David Coeurjolly
,
Jacques-Olivier Lachaud
,
Pierre Gueth
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Project
DOI
Supplementary (PDF)
Code (DGtal)
Code shrouds (DGtal)
URL
Interpolated corrected curvature measures for polygonal surfaces
The video of the talk I gave at SGP about our paper
Interpolated corrected curvature measures for polygonal surfaces
.
Jul 7, 2020 3:30 PM — 4:00 PM
Utrecht, Netherland (virtual)
Jacques-Olivier Lachaud
,
Pascal Romon
,
Boris Thibert
,
David Coeurjolly
Code
Project
Video
Article
Digital Geometry in Pattern Recognition: Extracting Geometric Features with DGtal and Applications
A tutorial on digital geometry and its applications to pattern recognition
Nov 25, 2019 2:45 PM — Nov 26, 2019 6:00 PM
Auckland, New Zealand
Bertrand Kerautret
,
Jacques-Olivier Lachaud
Project
Website
GitHub
PDF (part 1)
PDF (part 2)
Laplace--Beltrami Operator on Digital Surfaces
This article presents a novel discretization of the Laplace–Beltrami operator on digital surfaces.We adapt an existing convolution …
Thomas Caissard
,
David Coeurjolly
,
Jacques-Olivier Lachaud
,
Tristan Roussillon
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Project
DOI
Code (DGtal)
URL
Regularization of Voxel Art
Voxel based modeling is an attractive way to represent complex multi-material objects. Multi-labeled voxel models are also ubiquitous …
David Coeurjolly
,
Pierre Gueth
,
Jacques-Olivier Lachaud
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Project
Video
Digital Surface Regularization by Normal Vector Field Alignment
Digital objects and digital surfaces are isothetic structures per se. Such surfaces are thus not adapted to direct visualization with …
D. Coeurjolly
,
P. Gueth
,
Jacques-Olivier Lachaud
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Project
Project
DOI
URL
Heat Kernel Laplace-Beltrami Operator on Digital Surfaces
Many problems in image analysis, digital processing and shape optimization can be expressed as variational problems involving the …
T. Caissard
,
D. Coeurjolly
,
Jacques-Olivier Lachaud
,
T. Roussillon
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Project
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