## Consortium

This project gathers members of four laboratories: LIRIS (Leader, Lyon), LAMA (Chambéry), LJK (Grenoble), and CEN/Météofrance (Grenoble).

digital geometry
discrete geometric estimators
snow metamorphism
applied mathematics
3D
microtomography

##### Jacques-Olivier Lachaud

###### Professor of Computer Science

My research interests include digital geometry, geometry processing, image analysis, variational models and discrete calculus.

## Publications

We propose a framework to represent a partition that evolves under mean curvature flows and volume constraints. Its principle follows a …

Élie Bretin, Roland Denis, Jacques-Olivier Lachaud, Édouard Oudet

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

A digital plane is the set of integer points located between to parallel planes. We solve the following problem: how to compute the …

Jacques-Olivier Lachaud, X. Provençal, T. Roussillon

Digital planes are sets of integer points located between two parallel planes. We present a new algorithm that computes the normal …

Jacques-Olivier Lachaud, X. Provençal, T. Roussillon

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

The Voronoi covariance measure (VCM) of a compact set K of
$\mathbb{R}^d$ is a tensor-valued measure that encodes geometrical …

L. Cuel, Jacques-Olivier Lachaud, Q. Mérigot, B. Thibert

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

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

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

We propose a robust estimator of geometric quantities such as normals, curvature directions and sharp features for 3D digital surfaces. …

L. Cuel, Jacques-Olivier Lachaud, B. Thibert

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

## Events

Keynote speaker at DGCI 2016, Nantes.

Apr 18, 2016 9:00 AM — 10:00 AM
Nantes, France

Jacques-Olivier Lachaud

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