Ground Metric Learning on Graphs
Optimal transport (OT) distances between probability distributions are parameterized by the ground metric they use between …
Interpolated corrected curvature measures for polygonal surfaces
A consistent and yet practically accurate definition of curvature onto polyhedral meshes remains an open problem. We propose a new …
Sliced Optimal Transport Sampling
In this paper, we introduce a numerical technique to generate sample dis- tributions in arbitrary dimension for improved accuracy of …
Code Replicability in Computer Graphics
Being able to duplicate published research results is an important process of conducting research whether to build upon these findings …
Robust Normal Vector Estimation in 3D Point Clouds through Iterative Principal Component Analysis
This paper introduces a robust normal vector estimator for point cloud data. It can handle sharp features as well as smooth areas. Our …
Blue-noise sampling for human retinal cone spatial distribution modeling
This paper proposes a novel method for modeling retinal cone distribution in humans. It is based on Blue-noise sampling algorithms …
Efficient Distance Transformation for Path-based Metrics
In many applications, separable algorithms have demonstrated their efficiency to perform high performance volumetric processing of …
Guest Editorial: Special Issue on Discrete Geometry for Computer Imagery
@proceedings{jmivSI2020, author = {Yukiko Kenmochi and Jean Cousty and Michel Couprié and David Coeurjolly}, doi = {10.1007/s10851-020-00971-8}, publisher = {Elsevier}, series = {Journal of Mathematical Imaging and Vision}, title = {Guest Editorial: Special Issue on Discrete Geometry for Computer Imagery}, volume = {6}, year = {2020} }
Convexity Preserving Contraction of Digital Sets
Convexity is one of the useful geometric properties of digital sets in digital image processing. There are various applications which …
Ground Metric Learning on Graphs
Optimal transport (OT) distances between probability distributions are parameterized by the ground metric they use between …
SPOT: Sliced Partial Optimal Transport
Optimal transport research has surged in the last decade with wide applications in computer graphics. In most cases, however, it has …
A Low-Discrepancy Sampler that Distributes Monte Carlo Errors as a Blue Noise in Screen Space
We introduce a sampler that generates per-pixel samples achiev- ing high visual quality thanks to two key properties related to the …
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 …
Analysis of Sample Correlations for Monte Carlo Rendering
Modern physically based rendering techniques critically depend on approximating integrals of high dimensional functions representing …
Towards human retinal cones spatial distribution modeling
@inproceedings{lanaro19, address = {Purdue, United States}, author = {Lanaro, Matteo Paolo and Perrier, Hélène and Coeurjolly, David and Ostromoukhov, Victor and Rizzi, Alessandro}, booktitle = {MODVIS Computational and Mathematical Models in Vision}, hal_id = {hal-02136363}, hal_version = {v1}, month = {May}, title = {Towards human retinal cones spatial distribution modeling}, url = {https://hal.
Laplace–Beltrami Operator on Digital Surfaces
This article presents a novel discretization of the Laplace–Beltrami operator on digital surfaces.We adapt an existing convolution …
Fourier Analysis of Correlated Monte Carlo Importance Sampling
Fourier analysis is gaining popularity in image synthesis, as a tool for the analysis of error in Monte Carlo (MC) integration. Still, …
Efficient Distance Transformation for Path-based Metrics
In many applications, separable algorithms have demonstrated their efficiency to perform high performance volumetric processing of …
Opérateur de Laplace–Beltrami discret sur les surfaces digitales
La question centrale de cette thèse est le développement d’un opérateur Laplace-Beltrami discret sur des surfaces numériques. Ces …
Mumford‐Shah Mesh Processing using the Ambrosio‐Tortorelli Functional
The Mumford-Shah functional approximates a function by a piecewise smooth function. Its versatility makes it ideal for tasks such as …
Mumford-Shah Mesh Processing using the Ambrosio-Tortorelli Functional
The Mumford-Shah functional approximates a function by a piecewise smooth function. Its versatility makes it ideal for tasks such as …
Anti-Aliased Low Discrepancy Samplers for Monte Carlo Estimators in Physically Based Rendering
When you display a 3D object on a computer screen, we transform this 3D scene into a 2D image, which is a set of organized colored …
Wasserstein Dictionary Learning: Optimal Transport-based unsupervised non-linear dictionary learning
This article introduces a new non-linear dictionary learning method for histograms in the probability simplex. The method leverages …
Sequences with Low-Discrepancy Blue-Noise 2-D Projections
Distributions of samples play a very important role in rendering, affecting variance, bias and aliasing in Monte-Carlo and Quasi-Monte …
Regularization of Voxel Art
Voxel based modeling is an attractive way to represent complex multi-material objects. Multi-labeled voxel models are also ubiqui- tous …
Preface: Special Issue on Discrete Geometry for Computer Imagery
@proceedings{artner18, author = {Nicole M. Artner and Ines Janusch and David Coeurjolly}, doi = {10.1007/s10851-018-0855-4}, note = {(to appear)}, publisher = {Elsevier}, series = {Journal of Mathematical Imaging and Vision}, title = {Preface: Special Issue on Discrete Geometry for Computer Imagery}, year = {2018} }
Characterization of bijective digitized rotations on the hexagonal grid
Digitized rotations on discrete spaces are usually defined as the composition of a Euclidean rotation and a rounding operator; they are …
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 …
Wasserstein Dictionary Learning: Optimal Transport-based unsupervised non-linear dictionary learning
This article introduces a new non-linear dictionary learning method for histograms in the probability simplex. The method leverages …
Special Issue on Discrete Geometry for Computer Imagery
@proceedings{normand17dgciSI, author = {Normand, Nicolas and Guédon, Jeanpierre and Coeurjolly, David}, doi = {10.1007/s10851-017-0738-0}, hal_id = {hal-01576003}, hal_version = {v1}, month = {June}, number = {1}, series = {Journal of Mathematical Imaging and Vision}, title = {Special Issue on Discrete Geometry for Computer Imagery}, url = {https://hal.
Characterization of bijective digitized rotations on the hexagonal grid
Digitized rotations on discrete spaces are usually defined as the composition of a Euclidean rotation and a rounding operator; they are …
Robust and Convergent Curvature and Normal Estimators with Digital Integral Invariants
In this chapter, we present in details a generic tool to estimate differential geometric quantities on digital shapes, which are …
Optimal transport-based dictionary learning and its application to euclid-like point spread function representation
Optimal Transport theory enables the definition of a distance across the set of measures on any given space. This Wasserstein distance …
Digital surface regularization by normal vector field alignment
Digital objects and digital surfaces are isothetic structures per se. Such surfaces are thus not adapted to direct visualization with …
Laplace-Beltrami operator on Digital Curves
Many problems in image analysis, digital processing and shape optimization are expressed as variational prob- lems and involve the …
Piecewise smooth reconstruction of normal vector field on digital data
We propose a novel method to regularize a normal vector field defined on a digital surface (boundary of a set of voxels). When the …
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 …
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 …
Topologie et conductivité effective des mousses: Application aux mousses métalliques dans un réacteur gaz/solide.
@misc{zanota16, author = {Zanota, Marie-Line and Gerardin, jonathan and BROSSARD, Camille and Gueth, Pierre and Lachambre, Joël and PITAULT, Isabelle and Lygeros, Nik and Philippe, Régis and BORNETTE, Frédéric and Coeurjolly, David and Becker, Jean-Marie and Solnon, Christine}, hal_id = {hal-01905354}, hal_version = {v1}, howpublished = {24ème Congrès Annuel de la SFT}, note = {Poster}, number = {A110}, pages = {1-8}, series = {Actes du congrès annuel de la Société Française de Thermique.
Low-Discrepancy Blue Noise Sampling
We present a novel technique that produces two-dimensional low-discrepancy (LD) blue noise point sets for sampling. Using …
Characterization of bijective discretized rotations by Gaussian integers
A discretized rotation is the composition of an Euclidean rotation with a rounding operation. It is well known that not all discretized …
Estimateurs différentiels en géométrie discrète : applications à l'analyse de surfaces digitales
3D image acquisition devices are now ubiquitous in many domains of science, including biomedical imaging, material science, or …
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, …
Variance Analysis for Monte Carlo Integration
We propose a new spectral analysis of the variance in Monte Carlo integration, expressed in terms of the power spectra of the sampling …
Feature Extraction on Digital Snow Microstructures
@misc{levallois15poster, author = {Levallois, Jérémy and Coeurjolly, David and Lachaud, Jacques-Olivier}, hal_id = {hal-01145709}, howpublished = {SIGGRAPH Poster}, month = {August}, note = {Poster}, publisher = {ACM}, title = {Feature Extraction on Digital Snow Microstructures}, url = {https://hal.
Variance Analysis for Monte Carlo Integration: A Representation-Theoretic Perspective
In this report, we revisit the work of Pilleboue et al. [2015], provid- ing a representation-theoretic derivation of the closed-form …
Special Issue on Discrete Geometry for Computer Imagery 2013
@proceedings{dcoeurjo_DAMEdited, author = {David Coeurjolly and Rocio Gonzalez-Diaz and Maria-José Jimenez}, language = {en}, publisher = {Elsevier}, series = {Discrete Applied Mathematics}, title = {Special Issue on Discrete Geometry for Computer Imagery 2013}, url = {http://liris.
Parameter-free and Multigrid Convergent Digital Curvature Estimators
In many geometry processing applications, the estimation of differential geometric quantities such as curvature or normal vector field …
2D Subquadratic Separable Distance Transformation for Path-Based Norms
In many applications, separable algorithms have demon- strated their efficiency to perform high performance volumetric com- putations, …
Fast Tile-Based Adaptive Sampling with User-Specified Fourier Spectra
We introduce a novel tile-based method for adaptive two-dimensional sampling with user-specified spectral properties. Our approach …
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 …
Extraction of Connected Region Boundary in Multidimensional Images
@article{dcoeurjo_IPOL, author = {David Coeurjolly and Bertrand Kerautret and Jacques-Olivier Lachaud}, doi = {10.5201/ipol.2014.74}, journal = {Image Processing On Line (IPOL)}, language = {en}, month = {March}, pages = {30-43}, title = {Extraction of Connected Region Boundary in Multidimensional Images}, url = {http://liris.
Digital Flow for Shape Decomposition: Application to 3-D Microtomographic Images of Snow
We propose a fast shape decomposition method for granular microstructures using a 3-D approach based on medial axis. We define a …
Convergence asymptotique du tenseur de courbure en géométrie discrète
Dans plusieurs applications de geometry processing, l’estimation de quantités géométriques différentielles telles que la courbure ou le …
Globally Optimal Cortical Surface Matching With Exact Landmark Correspondence
@inproceedings{dcoeurjo_IPMI14, author = {Alex Tsui and Devin Fenton and Phong Vuong and Joel Hass and Patrice Koehl and Nina Amenta and David Coeurjolly and Charles DeCarli and Owen Carmichael}, booktitle = {Information Processing in Medical Imaging}, language = {en}, month = {May}, pages = {487-498}, publisher = {Springer-Verlag}, series = {LNCS}, title = {Globally Optimal Cortical Surface Matching With Exact Landmark Correspondence}, url = {http://liris.
Integral based Curvature Estimators in Digital Geometry
In many geometry processing applications, the estimation of differential geometric quantities such as curvature or normal vector field …
Thickness Diagram for Shape Analysis
@misc{dcoeurjo_SGP2012, author = {David Coeurjolly and Nina Amenta and Raphaelle Chaine}, howpublished = {Poster}, language = {en}, month = {July}, note = {Symposium on Geometry Processing (Poster)}, title = {Thickness Diagram for Shape Analysis}, url = {http://liris.
Texture creation with colorimetric compensation for 3D objects decoration
@inproceedings{dcoeurjo_Belperin_CGI, author = {M. Belperin and S. Brandel and David Coeurjolly}, booktitle = {Computer Graphics International}, language = {en}, month = {June}, title = {Texture creation with colorimetric compensation for 3D objects decoration}, url = {http://liris.
Decoration of plastic objects using multi view-dependent textures
@inproceedings{dcoeurjo_Belperin_SMI, author = {M. Belperin and S. Brandel and David Coeurjolly}, booktitle = {Shape Modeling International}, language = {en}, month = {June}, title = {Decoration of plastic objects using multi view-dependent textures }, url = {http://liris.
Volumetric Analysis of Digital Objects Using Distance Transformation: Performance Issues and Extensions
@inproceedings{dcoeurjo_Xi_ICPR2012, address = {Japan}, author = {X. Wang and L. Gilibert and F. Flin and David Coeurjolly}, booktitle = {International Conference on Pattern Recognition}, title = {Volumetric Analysis of Digital Objects Using Distance Transformation: Performance Issues and Extensions}, year = {2012} }
Volumetric Analysis of Digital Objects Using Distance Transformation: Performance Issues and Extensions
@incollection{dcoeurjo_ChapDTWADGMM, author = {David Coeurjolly}, booktitle = {Applications of Discrete Geometry and Mathematical Morphology}, editor = {U. Köthe and A. Montanvert and P. Soille}, publisher = {Springer-Verlag}, series = {LNCS}, title = {Volumetric Analysis of Digital Objects Using Distance Transformation: Performance Issues and Extensions}, volume = {7346}, year = {2012} }
Separable Distance Transformation and its Applications
@incollection{dcoeurjo_ChapDT, author = {David Coeurjolly and Antoine Vacavant}, booktitle = {Theoretical Foundations and Applications of Computational Imaging}, editor = {V. Brimkov and R. Barneva}, publisher = {Springer-Verlag}, title = {Separable Distance Transformation and its Applications}, year = {2012} }
Multigrid convergence of discrete geometric estimators
@incollection{dcoeurjo_ChapEstimateur, author = {David Coeurjolly and Jacques-Olivier Lachaud and Tristan Roussillon}, booktitle = {Digital Geometry Algorithms, Theoretical Foundations and Applications of Computational Imaging}, editor = {Valentin Brimkov and Reneta Barneva}, pages = {395-424}, publisher = {Springer-Verlag}, series = {Lecture Notes in Computational Vision and Biomechanics}, title = {Multigrid convergence of discrete geometric estimators}, volume = {2}, year = {2012} }
Fast and Accurate Approximation of Digital Shape Thickness Distribution in Arbitrary Dimension
We present a fast and accurate approximation of the Euclidean thickness distribution computation of a binary shape in arbitrary …
Separable algorithms for distance transformations on irregular grids
In this article, we propose to investigate two extensions of the E2DT (squared Euclidean Distance Trans- formation) on irregular …
Measure of Straight Lines for Digital Contour Analysis
In digital geometry, objects such as digital straight lines can be considered as equivalent classes of Euclidean straight lines with …
A Generic and Parallel Algorithm for 2D Digital Curve Polygonal Approximation
In this paper, we present a generic topological and geometrical framework which allows to define and control several parallel …
Volumetric analysis of digital objects using distance transformation: performance issues and applications
@inproceedings{dcoeurjo_WADGMM, address = {Istanbul, Turkey}, author = {David Coeurjolly}, booktitle = {International Workshop on Applications of Discrete Geometry and Mathematical Morphology}, note = {Invited speaker}, title = {Volumetric analysis of digital objects using distance transformation: performance issues and applications}, year = {2010} }
Fast and Accurate Approximation of the Euclidean Opening Function in Arbitrary Dimension
@inproceedings{dcoeurjo_ICPR2010, address = {Istanbul, Turkey}, author = {David Coeurjolly}, booktitle = {International Conference on Pattern Recognition}, publisher = {IEEE Computer Society}, title = {Fast and Accurate Approximation of the Euclidean Opening Function in Arbitrary Dimension}, year = {2010} }
Quasi-Affine Transformation in 3-D: Theory and Algorithms
@inproceedings{dcoeurjo_IWCIA09_AQA, author = {David Coeurjolly and V. Blot and M.-A. Jacob-Da Col}, booktitle = {13th International Workshop on Combinatorial Image Analysis}, language = {en}, month = {November}, publisher = {Springer}, series = {LNCS}, title = {Quasi-Affine Transformation in 3-D: Theory and Algorithms }, url = {http://liris.
Measure of Straight Lines and its Applications in Digital Geometry
@inproceedings{dcoeurjo_IWCIA09_measure, author = {David Coeurjolly and I. Sivignon}, booktitle = { 13th International Workshop on Combinatorial Image Analysis}, language = {en}, month = {November}, publisher = { Research Publishing Services}, title = {Measure of Straight Lines and its Applications in Digital Geometry }, url = {http://liris.
Hierarchical Discrete Medial Axis for Sphere-Tree Construction
@inproceedings{dcoeurjo_IWCIA09_HMA, author = {A. Broutta and David Coeurjolly and I. Sivignon}, booktitle = { 13th International Workshop on Combinatorial Image Analysis}, language = {en}, month = {November}, publisher = {Springer}, series = {LNCS}, title = {Hierarchical Discrete Medial Axis for Sphere-Tree Construction }, url = {http://liris.
First Results on Medial Axis Extraction on Two-Dimensional Irregular Isothetic Grids
@inproceedings{dcoeurjo_IWCIA09_IMA, author = {A. Vacavant and David Coeurjolly}, booktitle = { 13th International Workshop on Combinatorial Image Analysis}, language = {en}, month = {November}, publisher = {Resarch Publishing Services}, title = {First Results on Medial Axis Extraction on Two-Dimensional Irregular Isothetic Grids }, url = {http://liris.
Special Issue DGCI 2008
@proceedings{dcoeurjo_PREdited, doi = {10.1016/j.patcog.2008.12.006}, editor = {I. Sivignon and David Coeurjolly and L. Tougne}, month = {October}, number = {10}, publiher = {Elsevier}, series = {Pattern Recognition}, title = {Special Issue DGCI 2008}, volume = {42}, year = {2009} }
Quasi-Affine Transformation in Higher Dimension
@inproceedings{dcoeurjo_DGCI09_AQA, author = {V. Blot and David Coeurjolly}, booktitle = {15th International Conference on Discrete Geometry for Computer Imagery}, language = {en}, month = {October}, publisher = {Springer-Verlag}, series = {LNCS}, title = {Quasi-Affine Transformation in Higher Dimension }, url = {http://liris.
A framework for dynamic implicit curve approximation by an irregular discrete approach
@article{dcoeurjo_vacavant_GMOD, author = {Vacavant, A. and Coeurjolly, D. and Tougne, L.}, journal = {Graphical Models}, language = {en}, month = {October}, number = {3}, pages = {113--124}, title = {A framework for dynamic implicit curve approximation by an irregular discrete approach}, url = {http://liris.
A Novel Algorithm for Distance Transformation on Irregular Isothetic Grids
@inproceedings{dcoeurjo_DGCI09_IDT, author = {A. Vacavant and David Coeurjolly and L. Tougne}, booktitle = {DGCI 2009}, language = {en}, month = {September}, title = {A Novel Algorithm for Distance Transformation on Irregular Isothetic Grids}, url = {http://liris.
Special Issue DGCI 2008
@proceedings{dcoeurjo_CGEdited, doi = {10.1016/j.cag.2008.12.001}, editor = {David Coeurjolly and I. Sivignon and F. Dupont}, month = {February}, publisher = {Elsevier}, series = {Computer and Grahpics}, title = {Special Issue DGCI 2008}, year = {2009} }
The Mojette Transform: Theory and Applications
@inbook{dcoeurjo_Mojette, author = {David Coeurjolly and N. Normand}, chapter = {Discrete geometry and projections}, editor = {J.-P. Guédon}, publisher = {J.-P. Guédon, Wiley}, title = {The Mojette Transform: Theory and Applications}, year = {2009} }
Gift-Wrapping based Preimage Computation Algorithm
@article{dcoeurjo_Gift_PR, author = {Y. Gerard and David Coeurjolly and F. Feschet}, journal = {Pattern Recognition}, number = {42}, pages = {2255-2264}, title = {Gift-Wrapping based Preimage Computation Algorithm}, volume = {10}, year = {2009} }
A Generic and Parallel Algorithm for 2D Image Discrete Contour Reconstruction
@inproceedings{dcoeurjo_ISVC_genericcombmap, author = {Guillaume Damiand and David Coeurjolly}, booktitle = {International Symposium on Visual Computing (ISVC 2008)}, doi = {10.1007/978-3-540-89646-3_78}, language = {en}, month = {December}, pages = {792--801}, publisher = {Springer-Verlag}, series = {Lecture Notes in Computer Science (LNCS)}, title = {A Generic and Parallel Algorithm for 2D Image Discrete Contour Reconstruction}, url = {http://liris.
Finding a Minimum Medial Axis of a Discrete Shape is NP-hard
@article{dcoeurjo_MinMANP, author = {Coeurjolly, D. and Hulin, J. and Sivignon, I.}, journal = {Theoretical Computer Science}, language = {en}, month = {October}, publisher = {Elsevier}, title = {Finding a Minimum Medial Axis of a Discrete Shape is NP-hard}, url = {http://liris.
Gift-Wrapping based Preimage Computation Algorithm
@inproceedings{dcoeurjo_dgci08_gift, author = {Gerard, Y. and Feschet, F. and Coeurjolly, D.}, booktitle = {14th International Conference on Discrete Geometry for Computer Imagery}, editor = {D. Coeurjolly, I. Sivignon, L. Tougne and Dupont, F.
Distance Transformation en Two-Dimensional Irregular Isothetic Grids
@inproceedings{dcoeurjo_vacavant_DT, address = {Lyon, France}, author = {Vacavant, A. and Coeurjolly, D. and Tougne, L.}, booktitle = {14th Discrete Geometry for Computer Imagery}, language = {en}, month = {April}, publisher = {LNCS, Springer}, title = {Distance Transformation en Two-Dimensional Irregular Isothetic Grids}, url = {http://liris.
14th IAPR International Conference on Discrete Geometry
@proceedings{dcoeurjo_DGCIProc, editor = {David Coeurjolly and I. Sivignon and L. Tougne and F. Dupont}, month = {April}, publisher = {Springer}, series = {LNCS}, title = {14th IAPR International Conference on Discrete Geometry}, year = {2008} }
Minimum Decomposition of a Digital Surface into Digital Plane Segments is NP-Hard
@article{dcoeurjo_DAMSegmNP, author = {Sivignon, I. and Coeurjolly, D.}, doi = {10.1016/j.dam.2008.05.028}, journal = {Discrete Applied Mathematics}, number = {3}, pages = {558--570}, title = {Minimum Decomposition of a Digital Surface into Digital Plane Segments is NP-Hard}, volume = {157}, year = {2008} }
Distance Transformation, Reverse Distance Transformation and Discrete Medial Axis on Toric Spaces
@inproceedings{dcoeurjo_icpr08_toric, address = {Tampa, Florida, USA}, author = {Coeurjolly, D.}, booktitle = {19th International Conference on Pattern Recognition}, publisher = {IEEE Computer Society}, title = {Distance Transformation, Reverse Distance Transformation and Discrete Medial Axis on Toric Spaces}, year = {2008} }
Algorithmique pour l′analyse et la modélisation en géométrie discrète
@phdthesis{dcoeurjo_HDR, author = {Coeurjolly, D.}, month = {December}, school = {Université Claude Bernard Lyon 1}, title = {Algorithmique pour l′analyse et la modélisation en géométrie discrète}, year = {2007} }
Discrete bisector function and Euclidean skeleton in 2D and 3D
@article{dcoeurjo_IVC_couprie, author = {Couprie, M. and Coeurjolly, D. and Zrour, R.}, journal = {Image and Vision Computing}, month = {October}, number = {10}, pages = {1519-1698}, title = {Discrete bisector function and Euclidean skeleton in 2D and 3D}, volume = {25}, year = {2007} }
Géométrie discrète et images numériques
@book{dcoeurjo_hermes, address = {France}, editor = {Coeurjolly, D. and Montanvert, A. and Chassery, J. M.}, month = {September}, pages = {416}, publisher = {Hermès Paris}, series = {Traité IC2, Signal et Image}, title = {Géométrie discrète et images numériques}, year = {2007} }
Optimal Separable Algorithms to Compute the Reverse Euclidean Distance Transformation and Discrete Medial Axis in Arbitrary Dimension
In binary images, the Distance Transformation (DT) and the geometrical skeleton extraction are classic tools for shape analysis. In …
Digital Planarity - a review
@article{dcoeurjo_planarity, author = {Brimkov, V. and Coeurjolly, D. and Klette, R.}, journal = {Discrete Applied Mathematics}, month = {February}, number = {4}, pages = {468-495}, title = {Digital Planarity - a review}, volume = {155}, year = {2007} }
Reconstruction topologique et géométrique d′objets complexes sur grilles isothétiques irrégulières
@inproceedings{avacavan_coresa, author = {Vacavant, A. and Coeurjolly, D. and Tougne, L.}, booktitle = {COmpression et REprésentation de Signaux Audiovisuels}, language = {fr}, month = {November}, title = {Reconstruction topologique et géométrique d′objets complexes sur grilles isothétiques irrégulières}, url = {http://liris.
Topological and Geometrical Reconstruction of Complex Objects on Irregular Isothetic Grids
@inproceedings{dcoeurjo_avacavan_DGCI, address = {Szeged, Hungary}, author = {Vacavant, A. and Coeurjolly, D. and Tougne, L.}, bibkey = {470--481}, booktitle = {13th International Conference on Discrete Geometry for Computer Imagery}, publisher = {Springer-Verlag}, series = {LNCS}, title = {Topological and Geometrical Reconstruction of Complex Objects on Irregular Isothetic Grids}, volume = {4245}, year = {2006} }
Supercover model, digital straight line recognition and curve reconstruction on the irregular isothetic grids
@article{dcoeurjo_computergraphics, author = {Coeurjolly, D. and Zerarga, L.}, journal = {Computer and Graphics}, number = {1}, pages = {46-53}, title = {Supercover model, digital straight line recognition and curve reconstruction on the irregular isothetic grids}, volume = {30}, year = {2006} }
Optimization schemes for the reversible discrete volume polyhedrization using Marching Cubes simplification
@inproceedings{dcoeurjo_MCsimplDGCI06, address = {Szeged, Hungary}, author = {Coeurjolly, D. and Dupont, F. and Jospin, L. and Sivignon, I.}, booktitle = {13th International Conference on Discrete Geometry for Computer Imagery}, pages = {413-424}, publisher = {Springer-Verlag}, series = {LNCS}, title = {Optimization schemes for the reversible discrete volume polyhedrization using Marching Cubes simplification}, volume = {4245}, year = {2006} }
Minimal Decomposition of a Digital Surface into Digital Plane Segments is NP-Hard
@inproceedings{dcoeurjo_NPhard, address = {Szeged, Hungary}, author = {Sivignon, I. and Coeurjolly, D.}, booktitle = {13th International Conference on Discrete Geometry for Computer Imagery}, number = {4245}, pages = {674-685}, publisher = {Springer-Verlag}, series = {LNCS}, title = {Minimal Decomposition of a Digital Surface into Digital Plane Segments is NP-Hard}, year = {2006} }
Invertible Polygonalization of 3D Planar Digital Curves and Application to Volume Data Reconstruction
@inproceedings{dcoeurjo_mdexet_ISVC, address = {Lake Tahoe, Nevada, USA}, author = {Dexet, M. and Coeurjolly, D. and Andres, E.}, booktitle = {International Symposium on Visual Computing (ISVC)}, series = {LNCS}, title = {Invertible Polygonalization of 3D Planar Digital Curves and Application to Volume Data Reconstruction}, volume = {4292}, year = {2006} }
Dynamic Reconstruction of Complex Planar Objects on Irregular Isothetic Grids
@inproceedings{dcoeurjo_avacavan_ISCV, address = {Nevada, USA}, author = {Vacavant, A. and Coeurjolly, D. and Tougne, L.}, booktitle = {International Symposium on Visual Computing (ISVC)}, number = {4292}, series = {LNCS}, title = {Dynamic Reconstruction of Complex Planar Objects on Irregular Isothetic Grids}, year = {2006} }
Duality and Geometry Straightness, Characterization and Envelope
@inproceedings{dcoeurjo_dgci2006_chassery, address = { Szeged, Hungary}, author = {Chassery, J. M. and Coeurjolly, D. and Sivignon, I.}, booktitle = {13th International Conference on Discrete Geometry for computer Imagery}, note = {invited talk}, pages = {1-16}, publisher = {Springer Verlag}, series = {LNCS}, title = {Duality and Geometry Straightness, Characterization and Envelope}, volume = {4245}, year = {2006} }
Computational aspects of Digital Plane and Hyperplane Recognition
@inproceedings{dcoeurjo_iwcia2006, author = {Coeurjolly, D. and Brimkov, V.}, booktitle = {11th International Workshop on Combinatorial Image Analysis}, ee = {http://dx.doi.org/10.1007/11774938_23}, note = {Invited speaker}, pages = {291-306}, publisher = {Springer-Verlag}, series = {Lecture Notes in Computer Science}, title = {Computational aspects of Digital Plane and Hyperplane Recognition}, volume = {4040}, year = {2006} }
Indexation et recherche dynamique d′objet 3D par vues par des requêtes 2D
@inproceedings{dcoeurjo_ricard_CORESA2, address = {Rennes, France}, author = {Ricard, J. and Coeurjolly, D. and Baskurt, A.}, booktitle = {CORESA}, month = {November}, title = {Indexation et recherche dynamique d′objet 3D par vues par des requêtes 2D}, year = {2005} }
Generalizations of Angular Radial Transform for 2D and 3D Shape Retrieval
@article{dcoeurjo_ricard_prl, author = {Ricard, J. and Coeurjolly, D. and Baskurt, A.}, journal = {Pattern Recognition Letters}, month = {October}, number = {14}, pages = {2174-2186}, title = {Generalizations of Angular Radial Transform for 2D and 3D Shape Retrieval}, volume = {26}, year = {2005} }
Supercover Model and Digital Straight Line Recognition on Irregular Isothetic Grids
@inproceedings{dcoeurjo_supercover_dgci, author = {Coeurjolly, D.}, booktitle = { 12th International Conference on Discrete Geometry for Computer Imagery}, editor = {Andres, E. and Damiand, G. and Lienhardt, P.}, pages = {311-322}, publisher = {Springer-Verlag}, series = {Lecture Notes in Computer Science}, title = {Supercover Model and Digital Straight Line Recognition on Irregular Isothetic Grids}, volume = {3429}, year = {2005} }
Optimal shape and inclusion: open problems
@inproceedings{dcoeurjo_chassery_ismm, author = {Chassery, J. M. and Coeurjolly, D.}, booktitle = {International Symposium on Mathematical Morphology}, editor = {Ronse, C. and Najman, L. and Decencière, E.}, note = {invited talk}, pages = {229-248}, publisher = {Springer}, series = {Computational Imaging and Vision}, title = {Optimal shape and inclusion: open problems}, year = {2005} }
On Digital plane preimage structure
@article{dcoeurjo_preimage_DAM, author = {Coeurjolly, D. and Sivignon, I. and Dupont, F. and Feschet, F. and Chassery, J. M.}, editor = {Elsevier Science}, journal = {Discrete Applied Mathematics}, number = {1--3}, pages = {78-92}, title = {On Digital plane preimage structure}, volume = {151}, year = {2005} }
An adaptive filtering method to evaluate normal vectors and surface areas of 3D objects. Application to snow images from X-ray tomography
@article{dcoeurjo_flin_ImPro, author = {Flin, F. and Brzoska, J. B. and Lesaffre, B. and Coléou, C. and Lamboley, P. and Coeurjolly, D. and Teytaud, O. and Vignoles, G. and Delesse, J. F.
Extension de la transformation ART pour la description, l′indexation et la recherche d′objet 3D
@inproceedings{dcoeurjo_ricard_CORESA, address = {Lille, France}, author = {Ricard, J. and Coeurjolly, D. and Baskurt, A.}, booktitle = {CORESA}, month = {May}, title = {Extension de la transformation ART pour la description, l′indexation et la recherche d′objet 3D}, year = {2004} }
2D and 3D Visibility in Discrete Geometry: an Application to Discrete Geodesic Paths
@article{dcoeurjo_geodes_PRL, author = {Coeurjolly, D. and Miguet, S. and Tougne, L.}, journal = {Pattern Recognition Letters}, month = {April}, number = {5}, pages = {561-570}, title = {2D and 3D Visibility in Discrete Geometry: an Application to Discrete Geodesic Paths}, volume = {25}, year = {2004} }
A Comparative Evaluation of Length Estimators of Digital Curves
This paper compares previously published length estimators in image analysis having digitized curves as input. The evaluation uses …
Reversible discrete volume polyhedrization using Marching Cubes simplification
@inproceedings{dcoeurjo_spie_mc, address = {San Jose, USA}, author = {Coeurjolly, D. and Guillaume, A. and Sivignon, I.}, booktitle = {SPIE Vision Geometry XII}, pages = {1-11}, title = {Reversible discrete volume polyhedrization using Marching Cubes simplification}, volume = {5300}, year = {2004} }
Generalization of the angular radial transform
@inproceedings{dcoeurjo_ricard_icip, author = {Ricard, J. and Coeurjolly, D. and Basurt, A.}, booktitle = {IEEE International Conference on Image Processing}, editor = {Press, IEEE Computer Society}, title = {Generalization of the angular radial transform}, year = {2004} }
Digital straight line recognition on heterogeneous grids
@inproceedings{dcoeurjo_spie_hetero, address = {san Jose, USA}, author = {Coeurjolly, D. and Tougne, L.}, booktitle = {SPIE Vision Geometry XII}, pages = {108-116}, title = {Digital straight line recognition on heterogeneous grids}, volume = {5300}, year = {2004} }
ART Extension for Description, Indexing and Retrieval of 3D Objects
@inproceedings{dcoeurjo_ricard_icpr, address = {Cambridge, United Kingdom}, author = {Ricard, J. and Coeurjolly, D. and Baskurt, A.}, booktitle = {17th International Conference on Pattern Recognition}, editor = {Pressx, IEEE Computer Society}, title = {ART Extension for Description, Indexing and Retrieval of 3D Objects}, year = {2004} }
An elementary algorithm for digital arc segmentation
@article{dcoeurjo_digitalarc_DAM, author = {Coeurjolly, D. and Gerard, Y. and Reveillès, J. P. and Tougne, L.}, journal = {Discrete Applied Mathematics}, number = {1-3}, pages = {31-50}, title = {An elementary algorithm for digital arc segmentation}, volume = {139}, year = {2004} }
d-Dimensional Reverse Euclidean Distance Transformation and Euclidean Medial Axis Extraction in Optimal Time
@inproceedings{dcoeurjo_dgci2003, author = {Coeurjolly, D.}, booktitle = {Discrete Geometry for Computer Imagery}, editor = {I. Nystrom, G. Sanniti di Baja and Svensson, S.}, month = {October}, number = {2886}, pages = {327-337}, publisher = {Springer}, series = {LNCS}, title = {d-Dimensional Reverse Euclidean Distance Transformation and Euclidean Medial Axis Extraction in Optimal Time}, year = {2003} }
Digital plane preimage structure
@inproceedings{dcoeurjo_preimage, address = {Palermo, Italy}, author = {Coeurjolly, D. and Sivignon, I. and Dupont, F. and Feschet, F. and Chassery, J. M.}, booktitle = {International Workshop on Combinatorial Image Analysis}, editor = {Science, Elsevier}, month = {May}, series = {Electronic Notes in Discrete Mathematics}, title = {Digital plane preimage structure}, year = {2003} }
Multigrid Convergence and Surface Area Estimation
@inproceedings{dcoeurjo_TFCV_surface, author = {Coeurjolly, D. and Flin, F. and Teytaud, O. and Tougne, L.}, booktitle = {Theoretical Foundations of Computer Vision "Geometry, Morphology, and Computational Imaging"}, number = {2616}, pages = {101-119}, series = {LNCS, Springer-Verlag}, title = {Multigrid Convergence and Surface Area Estimation}, year = {2003} }
From digital plane Segmentation to Polyhedral representation
@inproceedings{dcoeurjo_TFCV_graphe, author = {Sivignon, I. and Coeurjolly, D.}, booktitle = {Theoretical Foundations of Computer Vision "Geometry, Morphology, and Computational Imaging"}, number = {2616}, pages = {356-367}, series = {LNCS, Springer-Verlag}, title = {From digital plane Segmentation to Polyhedral representation}, year = {2003} }
Estimation of curvature along curves with application to fibres in 3D imag es of paper
@inproceedings{dcoeurjo_scia, author = {Coeurjolly, D. and Svensson, S.}, booktitle = {Scandinavian Conference on Image Analysis}, editor = {Springer-Verlag}, number = {2749}, pages = {247-254}, series = {LNCS}, title = {Estimation of curvature along curves with application to fibres in 3D imag es of paper}, year = {2003} }
Algorithmique et géométrie discrète pour la caractérisation des courbes et des surfaces
@phdthesis{dcoeurjo_these, address = {Laboratoire ERIC}, author = {Coeurjolly, D.}, month = {December}, school = {Université Lumière Lyon 2, Bron}, title = {Algorithmique et géométrie discrète pour la caractérisation des courbes et des surfaces}, year = {2002} }
Visibility in Discrete Geometry: An Application to Discrete Geodesic Paths
@inproceedings{dcoeurjo_DGCI2002, address = {10th International Conference, DGCI, Bordeaux, France}, author = {Coeurjolly, D.}, booktitle = {Discrete Geometry for Computer Imagery}, editor = {A. Braquelaire, J. -O. Lachaud, A. Vialard}, month = {April}, pages = {326-327}, publisher = {Springer Lecture Notes in Computer Science, 2301}, title = {Visibility in Discrete Geometry: An Application to Discrete Geodesic Paths}, year = {2002} }
Estimateurs de longueur discrets
@inproceedings{dcoeurjo_Denis, address = {Clermont-Ferrand}, author = {Coeurjolly, D. and Klette, R.}, booktitle = {Denis Richard 60th Birthday Conference}, title = {Estimateurs de longueur discrets}, url = {longueur.pdf}, year = {2002} }
A Comparative Evaluation of Length Estimators
@inproceedings{dcoeurjo_ICPR, address = {Quebec}, author = {Coeurjolly, D. and Klette, R.}, booktitle = {International Conference on Pattern Recognition}, publisher = {IEEE Computer Science}, title = {A Comparative Evaluation of Length Estimators}, year = {2002} }
An elementary algorithm for digital arc segmentation
@inproceedings{dcoeurjo_digitalarc, address = {Temple University , Philadelphia, Pennsylvania, U.S.A. }, author = {Coeurjolly, D. and Gerard, Y. and Reveillès, J. P. and Tougne, L.}, booktitle = {International Workshop on Combinatorial Image Analysis}, editor = {Fourey, Sébastien and Herman, Gabor T.
Discrete Curvature based on Osculating Circle Estimation
@inproceedings{dcoeurjo_IWVF4, author = {Coeurjolly, D. and Miguet, S. and Tougne, L.}, booktitle = {International Workshop on Visual Form 4}, editor = {Arcelli, C. and Cordella, L. P. and Baja, G. Sanniti di}, month = {May}, note = {Capri, Italy}, number = {2059}, pages = {303-312}, publisher = {Springer Lecture Notes in Computer Science, 2059}, title = {Discrete Curvature based on Osculating Circle Estimation}, url = {iwvf4.
Segmentation and Length Estimation of 3D Discrete Curves
@inproceedings{dcoeurjo_length3D, author = {Coeurjolly, D. and Debled-Rennesson, I. and Teytaud, O.}, booktitle = {Digital and Image Geometry}, editor = {Bertrand, G. and Imiya, A. and Klette, R.}, pages = {295-313}, publisher = {Springer Lecture Notes in Computer Science, Advanced Lecture 2243}, title = {Segmentation and Length Estimation of 3D Discrete Curves}, url = {3DNSS.
Extraction de primitives géométriques pour la classification automatique de profils de stèles funéraires
@inproceedings{dcoeurjo_SFC, address = {Guadeloupe, France}, author = {Coeurjolly, D. and Feschet, F. and Tougne, L.}, booktitle = {8ièmes Rencontres de la Société Francophone de Classification}, title = {Extraction de primitives géométriques pour la classification automatique de profils de stèles funéraires}, url = {Coeurjolly_Feschet_Tougne.