Jacques-Olivier Lachaud

Professeur d'Informatique à l'Université Savoie Mont Blanc
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Publications

New Properties for Full Convex Sets and Full Convex Hulls

Fabien Feschet , Jacques-Olivier Lachaud
Journal of Mathematical Imaging and Vision, 2025, 67 (1), pp.8. ⟨10.1007/s10851-024-01225-7⟩
Article dans une revue hal-04984051 v1
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Corrected Laplace–Beltrami Operators for Digital Surfaces

Colin Weill-Duflos , David Coeurjolly , Jacques-Olivier Lachaud
Journal of Mathematical Imaging and Vision, 2025, 67 (2), pp.11. ⟨10.1007/s10851-024-01226-6⟩
Article dans une revue hal-04913546 v1
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Delaunay property and proximity results of the L-algorithm for digital plane probing

Jui-Ting Lu , Tristan Roussillon , Jacques-Olivier Lachaud , David Coeurjolly
Theoretical Computer Science, 2024, 1011, ⟨10.1016/j.tcs.2024.114719⟩
Article dans une revue hal-04671533 v1
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Lightweight Curvature Estimation on Point Clouds with Randomized Corrected Curvature Measures

Jacques-Olivier Lachaud , David Coeurjolly , Céline Labart , Pascal Romon , Boris Thibert
Computer Graphics Forum, 2023, 42 (5), pp.e14910. ⟨10.1111/cgf.14910⟩
Article dans une revue hal-04140178 v1
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Joint optimization of distortion and cut location for mesh parameterization using an Ambrosio-Tortorelli functional

Colin Weill-Duflos , David Coeurjolly , Fernando de Goes , Jacques-Olivier Lachaud
Computer Aided Geometric Design, 2023, Proceedings of GMP 2023, ⟨10.1016/j.cagd.2023.102231⟩
Article dans une revue hal-04140452 v1
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An Envelope Operator for Full Convexity to Define Polyhedral Models in Digital Spaces

Fabien Feschet , Jacques-Olivier Lachaud
Journal of Mathematical Imaging and Vision, 2023, 65 (5), pp.754-769. ⟨10.1007/s10851-023-01155-w⟩
Article dans une revue hal-04432223 v1
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Corrected Curvature Measures

Jacques-Olivier Lachaud , Pascal Romon , Boris Thibert
Discrete and Computational Geometry, 2022, 68, pp.477-524. ⟨10.1007/s00454-022-00399-4⟩
Article dans une revue hal-02193774 v1
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An Alternative Definition for Digital Convexity

Jacques-Olivier Lachaud
Journal of Mathematical Imaging and Vision, 2022, 64 (7), pp.718-735. ⟨10.1007/s10851-022-01076-0⟩
Article dans une revue hal-04735268 v1
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An Elastica-driven Digital Curve Evolution Model for Image Segmentation

Daniel Antunes , Jacques-Olivier Lachaud , Hugues Talbot
Journal of Mathematical Imaging and Vision, 2021, 63 (1), pp.1-17. ⟨10.1007/s10851-020-00983-4⟩
Article dans une revue hal-03144926 v1
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Digital surface regularization with guarantees

David Coeurjolly , Jacques-Olivier Lachaud , Pierre Gueth
IEEE Transactions on Visualization and Computer Graphics, 2021, 27 (6), pp.2896--2907. ⟨10.1109/tvcg.2021.3055242⟩
Article dans une revue hal-03126733 v1
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An Optimized Framework for Plane-Probing Algorithms

Jacques-Olivier Lachaud , Jocelyn Meyron , Tristan Roussillon
Journal of Mathematical Imaging and Vision, 2020, 62, pp.718-736. ⟨10.1007/s10851-020-00965-6⟩
Article dans une revue hal-02879784 v1
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Interpolated corrected curvature measures for polygonal surfaces

Jacques-Olivier Lachaud , Pascal Romon , Boris Thibert , David Coeurjolly
Computer Graphics Forum, 2020, 39 (5), pp.41-54. ⟨10.1111/cgf.14067⟩
Article dans une revue hal-02891465 v1
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Laplace–Beltrami Operator on Digital Surfaces

Thomas Caissard , David Coeurjolly , Jacques-Olivier Lachaud , Tristan Roussillon
Journal of Mathematical Imaging and Vision, 2019, 61 (3), pp.359-379. ⟨10.1007/s10851-018-0839-4⟩
Article dans une revue hal-01717849 v3
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Combining Voxel and Normal Predictions for Multi-View 3D Sketching

Johanna Delanoy , David Coeurjolly , Jacques-Olivier Lachaud , Adrien Bousseau
Computers and Graphics, 2019, Proceedings of Shape Modeling International 2019, 82, pp.65--72. ⟨10.1016/j.cag.2019.05.024⟩
Article dans une revue hal-02141469 v1
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Phase-field modelling and computing for a large number of phases

Elie Bretin , Roland Denis , Jacques-Olivier Lachaud , Edouard Oudet
ESAIM: Mathematical Modelling and Numerical Analysis, 2019, 53 (3), pp.805 - 832. ⟨10.1051/m2an/2018075⟩
Article dans une revue hal-01628403 v1
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Analytical Description of Digital Intersections : Minimal parameters and Multiscale representation

Mouhammad Said , Jacques-Olivier Lachaud
Theoretical Computer Science, 2019, 784, pp.99-112. ⟨10.1016/j.tcs.2019.03.042⟩
Article dans une revue hal-04735358 v1
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Mumford-Shah Mesh Processing using the Ambrosio-Tortorelli Functional

Nicolas Bonneel , David Coeurjolly , Pierre Gueth , Jacques-Olivier Lachaud
Computer Graphics Forum, 2018, Proceedings of Pacific Graphics 2018, 37 (7), pp.75-85. ⟨10.1111/cgf.13549⟩
Article dans une revue hal-01870901 v1
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Two Plane-Probing Algorithms for the Computation of the Normal Vector to a Digital Plane

Jacques-Olivier Lachaud , Xavier Provençal , Tristan Roussillon
Journal of Mathematical Imaging and Vision, 2017, 59 (1), pp.23 - 39. ⟨10.1007/s10851-017-0704-x⟩
Article dans une revue hal-01621516 v1

An output-sensitive algorithm to compute the normal vector of a digital plane

Jacques-Olivier Lachaud , Xavier Provençal , Tristan Roussillon
Theoretical Computer Science, 2016, 624, pp.73-88. ⟨10.1016/j.tcs.2015.11.021⟩
Article dans une revue hal-01294966 v1
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Properties of Gauss digitized sets and digital surface integration

Jacques-Olivier Lachaud , Boris Thibert
Journal of Mathematical Imaging and Vision, 2016, 54 (2), pp.162-180. ⟨10.1007/s10851-015-0595-7⟩
Article dans une revue hal-01070289 v2
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Piecewise smooth reconstruction of normal vector field on digital data

David Coeurjolly , Marion Foare , Pierre Gueth , Jacques-Olivier Lachaud
Computer Graphics Forum, 2016, Proc. Pacific Graphics 2016, 35 (7)
Article dans une revue hal-01355291 v1
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Scale-space Feature Extraction on Digital Surfaces

Jérémy Levallois , David Coeurjolly , Jacques-Olivier Lachaud
Computers and Graphics, 2015, 51 (C), pp. 177-189 ⟨10.1016/j.cag.2015.05.023⟩
Article dans une revue hal-01149102 v2
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Robust Geometry Estimation using the Generalized Voronoi Covariance Measure

Louis Cuel , Jacques-Olivier Lachaud , Quentin Mérigot , Boris Thibert
SIAM Journal on Imaging Sciences, 2015, 8 (2), pp.1293-1314. ⟨10.1137/140977552⟩
Article dans une revue hal-01058145 v2
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Multigrid convergent principal curvature estimators in digital geometry

David Coeurjolly , Jacques-Olivier Lachaud , Jérémy Levallois
Computer Vision and Image Understanding, 2014, 129 (1), pp.27-41. ⟨10.1016/j.cviu.2014.04.013⟩
Article dans une revue hal-01119434 v1
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Meaningful Scales Detection: an Unsupervised Noise Detection Algorithm for Digital Contours

Bertrand Kerautret , Jacques-Olivier Lachaud
Image Processing On Line, 2014, Special Issue on Discrete Geometry (DGCI 2011), 4, pp.18. ⟨10.5201/ipol.2014.75⟩
Article dans une revue hal-01112936 v1
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Extraction of Connected Region Boundary in Multidimensional Images

David Coeurjolly , Bertrand Kerautret , Jacques-Olivier Lachaud
Image Processing On Line, 2014, 4, pp. 30-43. ⟨10.5201/ipol.2014.74⟩
Article dans une revue hal-01112943 v1

A combined multi-scale/irregular algorithm for the vectorization of noisy digital contours

Antoine Vacavant , Tristan Roussillon , Bertrand Kerautret , Jacques-Olivier Lachaud
Computer Vision and Image Understanding, 2013, 117 (4), pp.438--450. ⟨10.1016/j.cviu.2012.07.006⟩
Article dans une revue istex hal-00943821 v1

Implementation of integral based digital curvature estimators in DGtal

David Coeurjolly , Jacques-Olivier Lachaud , Jérémy Levallois
imagen-a, 2013, 5, 3, pp.27-31
Article dans une revue hal-01339204 v1

Meaningful Scales Detection along Digital Contours for Unsupervised Local Noise Estimation

Bertrand Kerautret , Jacques-Olivier Lachaud
IEEE Transactions on Pattern Analysis and Machine Intelligence, 2012, 34 (12), pp.2379--2392. ⟨10.1109/TPAMI.2012.38⟩
Article dans une revue hal-00780689 v1
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Fully Deformable 3D Digital Partition Model with Topological Control

Guillaume Damiand , Alexandre Dupas , Jacques-Olivier Lachaud
Pattern Recognition Letters, 2011, 32 (9), pp.1374-1383. ⟨10.1016/j.patrec.2010.09.005⟩
Article dans une revue hal-00591065 v1

Two linear-time algorithms for computing the minimum length polygon of a digital contour

Jacques-Olivier Lachaud , Xavier Provençal
Discrete Applied Mathematics, 2011, 159 (18), pp.2229-2250. ⟨10.1016/j.dam.2011.08.002⟩
Article dans une revue hal-00943824 v1

Comparison and improvement of tangent estimators on digital curves

François de Vieilleville , Jacques-Olivier Lachaud
Pattern Recognition, 2009, 42 (8), pp.1693-1707. ⟨10.1016/j.patcog.2008.11.034⟩
Article dans une revue istex hal-00396356 v1
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Curvature based corner detector for discrete, noisy and multi-scale contours

Bertrand Kerautret , Jacques-Olivier Lachaud , Benoît Naegel
International Journal of Shape Modeling, 2008, 14 (2), pp.127-145. ⟨10.1142/S0218654308001117⟩
Article dans une revue inria-00437575 v1

Equivalence between Closed Connected n-G-Maps without Multi-Incidence and n-Surfaces

Sylvie Alayrangues , X. Daragon , Jacques-Olivier Lachaud , Pascal Lienhardt
Journal of Mathematical Imaging and Vision, 2008, Vol.32, p.1-22. ⟨10.1007/s10851-008-0084-3⟩
Article dans une revue istex hal-00340945 v1
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Curvature Estimation along Noisy Digital Contours by Approximate Global Optimization

Bertrand Kerautret , Jacques-Olivier Lachaud
Pattern Recognition, 2008, j.patcog.2008.11.013, 42 (10), pp.2265--2278
Article dans une revue inria-00345783 v1

Lyndon + Christoffel = digitally convex

Srecko Brlek , Jacques-Olivier Lachaud , Xavier Provençal , Christophe Reutenauer
Pattern Recognition, 2008, 42 (10), pp.2239-2246. ⟨10.1016/j.patcog.2008.11.010⟩
Article dans une revue hal-00395219 v1

Fast, Accurate and Convergent Tangent Estimation on Digital Contours

Jacques-Olivier Lachaud , François de Vieilleville , Anne Vialard
Image and Vision Computing, 2007, 25 (10), pp.1572-1587. ⟨10.1016/j.imavis.2006.06.019⟩
Article dans une revue istex hal-00308196 v1

Computation of Homology Groups and Generators

Samuel Peltier , Sylvie Alayrangues , Laurent Fuchs , Jacques-Olivier Lachaud
Computers and Graphics, 2006, 30, pp.62--69. ⟨10.1016/j.cag.2005.10.011⟩
Article dans une revue istex hal-00308013 v1
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Deformable Model with a Complexity Independent from Image Resolution

Jacques-Olivier Lachaud , Benjamin Taton
Computer Vision and Image Understanding, 2005, 99, pp.453-475
Article dans une revue hal-00308195 v1
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Digital Calculus Frameworks and Comparative Evaluation of their Laplace-Beltrami operators ⋆

Colin Weill-Duflos , David Coeurjolly , Jacques-Olivier Lachaud
IAPR Third International Conference on Discrete Geometry and Mathematical Morphology, Apr 2024, Florence, Italy
Communication dans un congrès hal-04486655 v1
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New Characterizations of Full Convexity

Fabien Feschet , Jacques-Olivier Lachaud
International Conference on Discrete Geometry and Mathematical Morphology, Apr 2024, Firenze, Italy, Italy. pp.41-53, ⟨10.1007/978-3-031-57793-2_4⟩
Communication dans un congrès hal-04735219 v1
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Construction of Fast and Accurate 2D Bijective Rigid Transformation

Stéphane Breuils , David Coeurjolly , Jacques-Olivier Lachaud
IAPR Third International Conference on Discrete Geometry and Mathematical Morphology, Apr 2024, Florence, Italy
Communication dans un congrès hal-04486661 v1
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A Simple Discrete Calculus for Digital Surfaces

David Coeurjolly , Jacques-Olivier Lachaud
Second International Conference on Discrete Geometry and Mathematical Morphology, Oct 2022, Strasbourg, France
Communication dans un congrès hal-03719330 v1
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Full Convexity for Polyhedral Models in Digital Spaces

Fabien Feschet , Jacques-Olivier Lachaud
DGMM 2022 - IAPR Second International Conference on Discrete Geometry and Mathematical Morphology, Étienne Baudrier, Benoît Naegel, Adrien Krähenbühl, Mohamed Tajine, Oct 2022, Strasbourg, France. pp.98-109, ⟨10.1007/978-3-031-19897-7_9⟩
Communication dans un congrès hal-03823832 v1
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An alternative definition for digital convexity

Jacques-Olivier Lachaud
International Conference on Discrete Geometry and Mathematical Morphology, 2021, Uppsala, Sweden. pp.269-282, ⟨10.1007/978-3-030-76657-3_19⟩
Communication dans un congrès hal-04735331 v1
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A Maximum-Flow Model for Digital Elastica Shape Optimization

Daniel Martins Antunes , Jacques-Olivier Lachaud , Hugues Talbot
Discrete Geometry Mathematical Morphology 2021, May 2021, Uppsala (Suède), Sweden. pp.429-440, ⟨10.1007/978-3-030-76657-3_31⟩
Communication dans un congrès hal-04580405 v1
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Geometric Total Variation for Image Vectorization, Zooming and Pixel Art Depixelizing

Bertrand Kerautret , Jacques-Olivier Lachaud
Asian Conference on Pattern Recognition, Nov 2019, Auckland (Nouvelle Zelande), New Zealand. ⟨10.1007/978-3-030-41404-7_28⟩
Communication dans un congrès hal-02895108 v1
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Digital Plane Recognition with Fewer Probes

Tristan Roussillon , Jacques-Olivier Lachaud
21st IAPR International Conference on Discrete Geometry for Computer Imagery, Couprie M.; Cousty J.; Kenmochi Y.; Mustafa N., Mar 2019, Marne-la-Vallée, France. pp.380-393, ⟨10.1007/978-3-030-14085-4_30⟩
Communication dans un congrès hal-02087529 v1
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Digital Curvature Evolution Model for Image Segmentation

Daniel Antunes , Jacques-Olivier Lachaud , Hugues Talbot
DGCI 2019 - International Conference on Discrete Geometry for Computer Imagery, Mar 2019, Noisy-le-Grand, France. pp.15-26, ⟨10.1007/978-3-030-14085-4_2⟩
Communication dans un congrès hal-02426946 v1
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Regularization of Voxel Art

David Coeurjolly , Pierre Gueth , Jacques-Olivier Lachaud
SIGGRAPH Talk 2018, Aug 2018, Vancouver, Canada. ⟨10.1145/3214745.3214748⟩
Communication dans un congrès hal-01807713 v1
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Digital surface regularization by normal vector field alignment

David Coeurjolly , Pierre Gueth , Jacques-Olivier Lachaud
20th International Conference on Discrete Geometry for Computer Imagery, 2017, Vienna, Austria. pp.197--209, ⟨10.1007/978-3-319-66272-5_17⟩
Communication dans un congrès hal-01543007 v1
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Heat kernel Laplace-Beltrami operator on digital surfaces

Thomas Caissard , David Coeurjolly , Jacques-Olivier Lachaud , Tristan Roussillon
20th International Conference on Discrete Geometry for Computer Imagery, Walter G. Kropatsch, Ines Janusch and Nicole M. Artner, Sep 2017, Vienna, Austria. pp.241--253
Communication dans un congrès hal-01575544 v1

On the Implementation of Centerline Extraction Based on Confidence Vote in Accumulation Map

Bertrand Kerautret , Adrien Krähenbühl , Isabelle Debled-Rennesson , Jacques-Olivier Lachaud
RRPR 2016 1st Workshop on Reproducible Research in Pattern Recognition, Bertrand Kerautret; Miguel Colom; Pascal Monasse, Dec 2016, Cancùn, Mexico. pp.116-130, ⟨10.1007/978-3-319-56414-2_9⟩
Communication dans un congrès hal-01571434 v1
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Interactive Curvature Tensor Visualization on Digital Surfaces

Hélène Perrier , Jérémy Levallois , David Coeurjolly , Jean-Philippe Farrugia , Jean-Claude Iehl et al.
DGCI2016, Apr 2016, Nantes, France. pp.282--294, ⟨10.1007/978-3-319-32360-2_22⟩
Communication dans un congrès hal-01262663 v1

Image restoration and segmentation using the Ambrosio-Tortorelli functional and discrete calculus

Marion Foare , Jacques-Olivier Lachaud , Hugues Talbot
International Conference on Pattern Recognition (ICPR 2016), Dec 2016, Cancun, Mexico. ⟨10.1109/ICPR.2016.7899836⟩
Communication dans un congrès hal-01379993 v1
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Computation of the normal vector to a digital plane by sampling signicant points

Jacques-Olivier Lachaud , Xavier Provençal , Tristan Roussillon
19th IAPR International Conference on Discrete Geometry for Computer Imagery, Apr 2016, Nantes, France. pp.194-205, ⟨10.1007/978-3-319-32360-2_15⟩
Communication dans un congrès hal-01621492 v1

Centerline Detection on Partial Mesh Scans by Confidence Vote in Accumulation Map

Bertrand Kerautret , Adrien Krähenbühl , Isabelle Debled-Rennesson , Jacques-Olivier Lachaud
ICPR 2016 - IAPR International Conference on Pattern Recognition, Dec 2016, Cancùn, Mexico. ⟨10.1109/ICPR.2016.7899829⟩
Communication dans un congrès hal-01435271 v1
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Analyse géométrique d'objets tubulaires 3D basée sur l'accumulation de normales

Bertrand Kerautret , Adrien Krähenbühl , Isabelle Debled-Rennesson , Jacques-Olivier Lachaud
RFIA 2016 - Reconnaissance des Formes et l'Intelligence Artificielle, Jun 2016, Clermont Ferrand, France
Communication dans un congrès hal-01359558 v1
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Laplace-Beltrami operator on Digital Curves

Thomas Caissard , David Coeurjolly , Tristan Roussillon , Jacques-Olivier Lachaud
JFIG, Nov 2016, Grenoble, France
Communication dans un congrès hal-01497255 v1
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3D Geometric Analysis of Tubular Objects based on Surface Normal Accumulation

Bertrand Kerautret , Adrien Krähenbühl , Isabelle Debled-Rennesson , Jacques-Olivier Lachaud
18th International Conference on Image Analysis and Processing, Sep 2015, Genova, Italy. ⟨10.1007/978-3-319-23231-7_29⟩
Communication dans un congrès hal-01139374 v2

Precise Cross-Section Estimation on Tubular Organs

Grélard Florent , Fabien Baldacci , Anne Vialard , Jacques-Olivier Lachaud
Computer Analysis of Images and Patterns, 2015, valetta, Malta
Communication dans un congrès hal-01437076 v1
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Parameter-free and Multigrid Convergent Digital Curvature Estimators

Jérémy Levallois , David Coeurjolly , Jacques-Olivier Lachaud
18th International Conference on Discrete Geometry for Computer Imagery (DGCI 2014), Sep 2014, Siena, Italy. pp.162-175, ⟨10.1007/978-3-319-09955-2_14⟩
Communication dans un congrès hal-01118476 v1

Convergence asymptotique du tenseur de courbure en géométrie discrète

Jérémy Levallois , David Coeurjolly , Jacques-Olivier Lachaud
26èmes Journées de l’Association Française d’Informatique Graphique, du chapitre français d’Eurographics et du Groupement de Recherche IG , Nov 2013, Limoges, France. pp.1-10
Communication dans un congrès hal-01339284 v1
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Integral based Curvature Estimators in Digital Geometry

David Coeurjolly , Jacques-Olivier Lachaud , Jérémy Levallois
17th International Conference on Discrete Geometry for Computer Imagery (DGCI 2013), Mar 2013, Seville (Spain), Spain. pp.215-227
Communication dans un congrès hal-00926164 v1
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Détection d'épaisseur significative sur une courbe polygonale

Bertrand Kerautret , Jacques-Olivier Lachaud , Mouhammad Said
RFIA 2012 (Reconnaissance des Formes et Intelligence Artificielle), Jan 2012, Lyon, France. pp.978-2-9539515-2-3
Communication dans un congrès hal-00656573 v1

Tangent estimation along 3D digital curves

Michal Postolski , Marcin Janaszewski , Yukiko Kenmochi , Jacques-Olivier Lachaud
21st International Conference on Pattern Recognition (ICPR 2012), Nov 2012, Tsukuba, Japan. pp.2079-2082
Communication dans un congrès hal-00790710 v1

Dynamic Minimum Length Polygon

Jacques-Olivier Lachaud , Xavier Provençal
International Workshop on Combinatorial Image Analysis, May 2011, Madrid, Spain. pp.208-221
Communication dans un congrès hal-00943828 v1
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Combining Topological Maps, Multi-Label Simple Points, and Minimum-Length Polygons for Efficient Digital Partition Model

Guillaume Damiand , Alexandre Dupas , Jacques-Olivier Lachaud
International Workshop on Combinatorial Image Analysis, May 2011, Madrid, Spain. pp.56-69, ⟨10.1007/978-3-642-21073-0_8⟩
Communication dans un congrès hal-00597507 v1

Delaunay properties of digital straight segments

Tristan Roussillon , Jacques-Olivier Lachaud
16-th IAPR International Conference on Discrete Geometry for Computer Imagery (DGCI) , Apr 2011, Nancy, France. pp.308-319, ⟨10.1007/978-3-642-19867-0_26⟩
Communication dans un congrès hal-01354557 v1
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Circular arc reconstruction of digital contours with chosen Hausdorff error

Bertrand Kerautret , Jacques-Olivier Lachaud , Thanh Phuong Nguyen
Discrete Geometry for Computer Imagery, Apr 2011, Nancy, France. pp.250--262
Communication dans un congrès hal-00579467 v1

Accurate curvature estimation along digital contours with maximal digital circular arcs

Tristan Roussillon , Jacques-Olivier Lachaud
14-th International Workshop on Combinatorial Image Analysis (IWCIA), May 2011, Madrid, Spain. pp.43-55, ⟨10.1007/978-3-642-21073-0_7⟩
Communication dans un congrès istex hal-01354558 v1
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Meaningful Thickness Detection on Polygonal Curve

Bertrand Kerautret , Jacques-Olivier Lachaud , Mouhammad Said
ICPRAM - International Conference on Pattern Recognition Applications and Methods - 2012, Feb 2012, Vilamoura, Portugal. pp.372--379, ⟨10.5220/0003760903720379⟩
Communication dans un congrès hal-00780710 v1

Multi-scale Analysis of Discrete Contours for Unsupervised Noise Detection

Bertrand Kerautret , Jacques-Olivier Lachaud
13th International Workshop on Combinatorial Image Analysis - IWCIA2009, Nov 2009, Mexico, Mexico. pp.187-200, ⟨10.1007/978-3-642-10210-3_15⟩
Communication dans un congrès istex hal-00413662 v1

Top-Down segmentation of histological images using a digital deformable model

François de Vieilleville , Jacques-Olivier Lachaud , Paulette Herlin , Olivier Lezoray , Benoit Plancoulaine
International Symposium on Visual Computing, Dec 2009, Las Vegas, United States. pp.327-336, ⟨10.1007/978-3-642-10331-5_31⟩
Communication dans un congrès istex hal-00521058 v1

Two-linear time algorithms for computing the minimum length polygon of a digital contour

Xavier Provençal , Jacques-Olivier Lachaud
DGCI'09: Discrete Geometry for Computer Imagery, Sep 2009, Montreal, Canada. pp.104-117, ⟨10.1007/978-3-642-04397-0_10⟩
Communication dans un congrès istex lirmm-00432378 v1

Multiscale Discrete Geometry

Mouhammad Said , Jacques-Olivier Lachaud , F. Feschet
International Conference on Discrete Geometry for Computer Imagery, Sep 2009, Montréal, Québec, Canada. Accepted. To appear
Communication dans un congrès hal-00413681 v1

Two linear-time algorithms for computing the minimum length polygon of a digital contour

Xavier Provençal , Jacques-Olivier Lachaud
International Conference on Discrete Geometry for Computer Imagery, Sep 2009, Montréal, Québec, Canada. Accepted. To appear
Communication dans un congrès hal-00413687 v1

Digital Deformable Model Simulating Active Contours

François de Vieilleville , Jacques-Olivier Lachaud
International Conference on Discrete Geometry for Computer Imagery, Sep 2009, Montréal, Québec, Canada. Accepted. To appear
Communication dans un congrès hal-00413684 v1
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Multi-Label Simple Points Definition for 3D Images Digital Deformable Model

Alexandre Dupas , Guillaume Damiand , Jacques-Olivier Lachaud
15th IAPR International Conference on Discrete Geometry for Computer Imagery (DGCI2009), Sep 2009, Montréal, Québec, Canada. pp.156-167, ⟨10.1007/978-3-642-04397-0_14⟩
Communication dans un congrès hal-00413691 v1
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Discrete Contour Extraction from Reference Curvature Function

Huu Giao Nguyen , Bertrand Kerautret , Pascal Desbarats , Jacques-Olivier Lachaud
4th International Symposium on Advances in Visual Computing - ISVC 2008, 2008, Las Vegas, France. pp.1176-1185, ⟨10.1007/978-3-540-89646-3_117⟩
Communication dans un congrès inria-00345782 v1

Combinatorial View of Digital Convexity

Srecko Brlek , Jacques-Olivier Lachaud , Xavier Provençal
Discrete Geometry for Computer Imagery, Apr 2008, Lyon, France. pp.57-68, ⟨10.1007/978-3-540-79126-3_7⟩
Communication dans un congrès hal-00395237 v1
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Robust estimation of curvature along digital contours with global optimization

Bertrand Kerautret , Jacques-Olivier Lachaud
14th IAPR International Conference on Discrete Geometry for Computer Imagery - DGCI 2008, 2008, Lyon, France. pp.334-345, ⟨10.1007/978-3-540-79126-3_30⟩
Communication dans un congrès inria-00345779 v1
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Comparison of Discrete Curvature Estimators and Application to Corner Detection

Bertrand Kerautret , Jacques-Olivier Lachaud , Benoît Naegel
4th International Symposium on Advances in Visual Computing - ISVC 2008, 2008, Las Vegas, United States. pp.710-719, ⟨10.1007/978-3-540-89639-5_68⟩
Communication dans un congrès inria-00345781 v1

Experimental comparison of continuous and discrete tangent estimators along digital curves

François de Vieilleville , Jacques-Olivier Lachaud
International Workshop on Combinatorial Image Analysis, Apr 2008, Buffalo, NY, United States. pp.26-37, ⟨10.1007/978-3-540-78275-9⟩
Communication dans un congrès hal-00413631 v1
Image document

Combinatorial pyramids and discrete geometry for energy-minimizing segmentation

Martin Braure de Calignon , Luc Brun , Jacques-Olivier Lachaud
Proc. Int. Symposium on Visual Computing (ISVC2006), Nov 2006, Lake Tahoe, Nevada, United States. pp.306--315, ⟨10.1007/11919629_32⟩
Communication dans un congrès hal-00308162 v1
Image document

Convex shapes and convergence speed of discrete tangent estimators

Jacques-Olivier Lachaud , François de Vieilleville
Proc. Int. Symposium on Visual Computing (ISVC2006), Nov 2006, Lake Tahoe, Nevada, United States. pp.688-697, ⟨10.1007/11919629⟩
Communication dans un congrès hal-00308337 v1
Image document

Revisiting Digital Straight Segment Recognition

F. de Vieilleville , Jacques-Olivier Lachaud
Proc. Int. Conf. Discrete Geometry for Computer Imagery (DGCI2006), Oct 2006, Szeged, Hungary. pp.355-366, ⟨10.1007/11907350_30⟩
Communication dans un congrès hal-00308338 v1
Image document

Maximal digital straight segments and convergence of discrete geometric estimators

F. de Vieilleville , Jacques-Olivier Lachaud , F. Feschet
Proc. 14th Scandinavian Conference on Image Analysis (SCIA2005), 2005, Joensuu, Finland. pp.988--1003, ⟨10.1007/11499145_100⟩
Communication dans un congrès hal-00308336 v1

Computation of Homology Groups and Generators

Samuel Peltier , Sylvie Alayrangues , Laurent Fuchs , Jacques-Olivier Lachaud
Discrete Geometry for Computer Imagery, Apr 2005, Poitiers, France. pp.195--205
Communication dans un congrès hal-00308012 v1

Analysis and comparative evaluation of discrete tangent estimators

Jacques-Olivier Lachaud , Anne Vialard , François de Vieilleville
Proc. Int. Conf. Discrete Geometry for Computer Imagery (DGCI2005), 2005, Poitiers, France. pp.140--251, ⟨10.1007/b135490⟩
Communication dans un congrès hal-00308199 v1

Resolution Independent Deformable Model

Jacques-Olivier Lachaud , Benjamin Taton
Proc. 17th int. Conf. on Pattern Recognition (ICPR2004), Cambridge, United Kingdom, 23-26 August, 2004, United Kingdom. pp.237-240
Communication dans un congrès hal-00308200 v1

Deformable Model with Adaptive Mesh and Automated Topology Changes

Jacques-Olivier Lachaud , Benjamin Taton
Proc. 4th int. Conf. 3-D Digital Imaging and Modeling (3DIM2003), 2003, Banff, Alberta, Canada. pp.12- 19
Communication dans un congrès hal-00308201 v1

Geometric measures on arbitrary dimensional digital surfaces

Jacques-Olivier Lachaud , Anne Vialard
Proc. Int. Conf. Discrete Geometry for Computer Imagery (DGCI2003), Napoli, Italy, 2003, Italy. pp.434--443
Communication dans un congrès hal-00308198 v1
Image document

Coding cells of digital spaces: a framework to write generic digital topology algorithms

Jacques-Olivier Lachaud
Proc. Int. Work. Combinatorial Image Analysis (IWCIA2003), 2003, Palermo, Italy. pp.337-348, ⟨10.1016/S1571-0653(04)00497-4⟩
Communication dans un congrès hal-00308202 v1

Deformable Model with non-Euclidean Metrics

Benjamin Taton , Jacques-Olivier Lachaud
Proc. 7th European Conference on Computer Vision (ECCV2002), 2002, Copenhagen, Denmark. pp.438-453, ⟨10.1007/3-540-47977-5_29⟩
Communication dans un congrès istex hal-00307965 v1
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Modèle Déformable en Métrique non-euclidienne

Benjamin Taton , Jacques-Olivier Lachaud
Actes du 13ème Congrès Francophone de Reconnaissance des Formes et Intelligence Artificielle (RFIA02), Jan 2002, France. pp.425-434
Communication dans un congrès hal-00307964 v1

Discrete deformable boundaries for the segmentation of multidimensional images

Jacques-Olivier Lachaud , Anne Vialard
Proc. 4th Int. Workshop on Visual Form (IWVF4), Capri, Italy, 2001, Italy. pp.542-551
Communication dans un congrès hal-00308203 v1

Image Processing Online (IPOL) : Special issue on DGCI 2011

Joost Batenburg , David Coeurjolly , Bertrand Kerautret , Köthe Ullrich , Jacques-Olivier Lachaud et al.
Discrete Geometry (DGCI 2011), Apr 2011, Nancy, France. 4, 2014
Proceedings/Recueil des communications hal-01262776 v1

Feature Extraction on Digital Snow Microstructures

Jérémy Levallois , David Coeurjolly , Jacques-Olivier Lachaud
SIGGRAPH Poster, Aug 2015, Los Angeles, United States. ACM, 2015
Poster de conférence hal-01145709 v1
Image document

Robust and Convergent Curvature and Normal Estimators with Digital Integral Invariants

Jacques-Olivier Lachaud , David Coeurjolly , Jérémy Levallois
Laurent Najman, Pascal Romon. Modern Approaches to Discrete Curvature , 2184, Springer-Verlag, 2017, Lecture Notes in Mathematics, 978-3-319-58001-2
Chapitre d'ouvrage hal-01576020 v1
Image document

Multigrid convergence of discrete geometric estimators

David Coeurjolly , Jacques-Olivier Lachaud , Tristan Roussillon
Valentin E. Brimkov; Reneta P. Barneva. Digital Geometry Algorithms. Theoretical Foundations and Applications to Computational Imaging, 2, Springer, pp.395-424, 2012, Lecture Notes in Computational Vision and Biomechanics, 978-94-007-9958-5. ⟨10.1007/978-94-007-4174-4_13⟩
Chapitre d'ouvrage hal-01352952 v1

Chapitre 12. Approximation par triangulation

Jacques-Olivier Lachaud , Sébastien Valette
D. Coeurjolly, A. Montanvert, J. Chassery. Géométrie discrète et images numériques, Hermès, pp.263-282, 2007, Traité IC2, série signal et image
Chapitre d'ouvrage hal-00396679 v1

Chapitre 3. Topologie, courbes et surfaces discrètes

Jacques-Olivier Lachaud , Rémy Malgouyres
D. Coeurjolly, A. Montanvert, J. Chassery. Géométrie discrète et images numériques, Hermès, pp.75-102, 2007, Traité IC2, série signal et image
Chapitre d'ouvrage hal-00396669 v1

DGtal release 1.4

David Coeurjolly , Bastien Doignies , Jacques-Olivier Lachaud , Tristan Roussillon , Pablo Hernandez Cerdan et al.
Logiciel hal-04992412 v1

PointCloudCurvCNC: Lightweight Curvature Estimation on Point Clouds with Randomized Corrected Curvature Measures

Jacques-Olivier Lachaud , David Coeurjolly
Logiciel hal-04159939 v1

UV-AT: Mesh Parameterization using an Ambrosio-Tortorelli functional

Colin Weill-Duflos , David Coeurjolly , Jacques-Olivier Lachaud
Logiciel hal-04159872 v1

DGtal release 1.3

David Coeurjolly , Jacques-Olivier Lachaud , Bertrand Kerautret , J. Miguel Salazar , Isabelle Sivignon et al.
Logiciel hal-04083347 v1