3D

Combining voxel and normal predictions for multi-view 3D sketching
Recent works on data-driven sketch-based modeling use either voxel grids or normal/depth maps as geometric representations compatible …
Johanna Delanoy, David Coeurjolly, Jacques-Olivier Lachaud, Adrien Bousseau
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Combining voxel and normal predictions for multi-view 3D sketching
PARADIS

PARameter-free Analysis of DIgital Surfaces

(ANR JCJC project ANR-18-CE23-0007-01)

Dec. 2018 - Mar. 2024

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PARADIS
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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Heat Kernel Laplace-Beltrami Operator on Digital Surfaces
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
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
CoMeDiC

Convergent Metrics for Digital Calculus

(ANR project ANR-15-CE40-0006)

Oct. 2015 - Jul. 2021

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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
Scale-space feature extraction on digital surfaces
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
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Scale-space feature extraction on digital surfaces
Multigrid convergent principal curvature estimators in digital geometry
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
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Multigrid convergent principal curvature estimators in digital geometry