Jacques-Olivier Lachaud
Jacques-Olivier Lachaud
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digital geometry
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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Full convexity for polyhedral models in digital spaces
In a recent work, full convexity has been proposed as an alternative definition of digital convexity. It solves many problems related …
Fabien Feschet
,
Jacques-Olivier Lachaud
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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)
Conference on Digital Geometry and Discrete Variational Calculus
Chair of the organization committee.
Mar 29, 2021 9:00 AM — Apr 2, 2021 2:00 PM
CIRM, Luminy, France (virtual)
Jacques-Olivier Lachaud
Project
Website
Video
Slides (PDF)
An Alternative Definition for Digital Convexity
This paper proposes full convexity as an alternative definition of digital convexity, which is valid in arbitrary dimension. It solves …
Jacques-Olivier Lachaud
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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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DOI
Supplementary (PDF)
Code (DGtal)
Code shrouds (DGtal)
URL
An Optimized Framework for Plane-Probing Algorithms
A plane-probing algorithm computes the normal vector of a digital plane from a starting point and a predicate ``Is a point x in the …
Jacques-Olivier Lachaud
,
Jocelyn Meyron
,
Tristan Roussillon
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Project
DOI
Code (DGtal)
URL
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)
Analytical description of digital intersections: Minimal parameters and multiscale representation
The paper contributes to a multiscale theory of digital shapes by presenting novel methods for a multiscale representation of digital …
Mouhammad Said
,
Jacques-Olivier Lachaud
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Project
DOI
Digital Curvature Evolution Model for Image Segmentation
Recent works have indicated the potential of using curvature as a regularizer in image segmentation, in particular for the class of …
D. Antunes
,
Jacques-Olivier Lachaud
,
H. Talbot
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