digital geometry

Tutorial on digital geometry at DGMM2024
Introduction to digital geometry
Apr 15, 2024 11:00 AM — 12:00 PM Florence, Italy
David Coeurjolly, Jacques-Olivier Lachaud
Project Slides (PDF) Slides (keynote) DGtal
Tutorial on digital geometry at DGMM2024
Construction of Fast and Accurate 2D Bijective Rigid Transformation
Preserving surfaces or volumes of digital objects is crucial when applying transformations of 2D/3D digital objects in medical images …
Stéphane Breuils, David Coeurjolly, Jacques-Olivier Lachaud
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Construction of Fast and Accurate 2D Bijective Rigid Transformation
Digital Calculus Frameworks and Comparative Evaluation of Their Laplace-Beltrami Operators
Defining consistent calculus frameworks on discrete meshes is useful for processing the geometry of meshes or model numerical …
Colin Weill-Duflos, David Coeurjolly, Jacques-Olivier Lachaud
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Digital Calculus Frameworks and Comparative Evaluation of Their Laplace-Beltrami Operators
New characterizations of full convexity
Full convexity has been recently proposed as an alternative definition of digital convexity. In contrast to classical definitions, …
Fabien Feschet, Jacques-Olivier Lachaud
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New characterizations of full convexity
An Envelope Operator for Full Convexity to Define 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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An Envelope Operator for Full Convexity to Define Polyhedral Models in Digital Spaces
Full convexity: new characterisations and applications
Invited talk at Meeting on Tomography and Applications 2023
May 15, 2023 9:30 AM — May 17, 2023 12:30 PM Politecnico di Milano
Jacques-Olivier Lachaud, Fabien Feschet
PDF Code
Full convexity: new characterisations and applications
Thematic year "Geometry" of GDR IFM and IGRV
Co-pilot (with M. Desbrun).
Jan 1, 2023 12:00 AM — Dec 31, 2024 11:00 PM
Jacques-Olivier Lachaud
Website
Thematic year "Geometry" of GDR IFM and IGRV
DGtal tutorial at DGMM2022
A tutorial on the DGtal library with several practicals.
Oct 24, 2022 9:30 AM — 12:30 PM Strasbourg, France
David Coeurjolly, Bertrand Kerautret, Jacques-Olivier Lachaud, Tristan Roussillon
Code Project PDF (part 1) PDF (part 2)
DGtal tutorial at DGMM2022
StableProxies

Stable Geometry Processing and High Performance Calculus on Heterogeneous Geometrical Data

(ANR project ANR-22-CE46)

Feb. 2023 - Jan. 2028

Team Leader LAMA

StableProxies
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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An Alternative Definition for Digital Convexity