digital geometry

Centerline detection on partial mesh scans by confidence vote in accumulation map
This paper proposes an original method for extracting the centerline of 3D objects given only partial mesh scans as input data. Its …
Bertrand Kerautret, Adrien Krähenbühl, Isabelle Debled-Rennesson, Jacques-Olivier Lachaud
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Centerline detection on partial mesh scans by confidence vote in accumulation map
Computation of the Normal Vector to a Digital Plane by Sampling Significant Points
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
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Computation of the Normal Vector to a Digital Plane by Sampling Significant Points
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
On the Implementation of Centerline Extraction Based on Confidence Vote in Accumulation Map
This paper focuses on the implementation details of a recent method which extracts the centerline of 3D shapes using solely partial …
Bertrand Kerautret, Adrien Krähenbühl, Isabelle Debled-Rennesson, Jacques-Olivier Lachaud
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On the Implementation of Centerline Extraction Based on Confidence Vote in Accumulation Map
Properties of Gauss Digitized Shapes and Digital Surface Integration
This paper presents new topological and geometric properties of Gauss digitizations of Euclidean shapes, most of them holding in …
Jacques-Olivier Lachaud, B. Thibert
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Properties of Gauss Digitized Shapes and Digital Surface Integration
Cross Border Meeting on Discrete and Computational Geometry and Applications
Organizer.
Nov 9, 2015 9:00 AM — 5:30 PM Laboratoire de Mathématiques, Université Savoie Mont Blanc, Le Bourget-du-lac, France
Jacques-Olivier Lachaud
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Cross Border Meeting on Discrete and Computational Geometry and Applications
CoMeDiC

Convergent Metrics for Digital Calculus

(ANR project ANR-15-CE40-0006)

Oct. 2015 - Jul. 2021

Principal Investigator

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CoMeDiC
3D Geometric Analysis of Tubular Objects Based on Surface Normal Accumulation
This paper proposes a simple and efficient method for the reconstruction and extraction of geometric parameters from 3D tubular …
B. Kerautret, A. Krähenbühl, I. Debled-Rennesson, Jacques-Olivier Lachaud
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3D Geometric Analysis of Tubular Objects Based on Surface Normal Accumulation
Precise Cross-Section Estimation on Tubular Organs
In this article we present a new method to estimate precisely the cross-section of tubular organs. Obtaining a precise cross-section is …
F. Grélard, F. Baldacci, A. Vialard, Jacques-Olivier Lachaud
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Precise Cross-Section Estimation on Tubular Organs