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Nicolas Papadakis
130
Documents
Current affiliations
Presentation
CNRS researcher at the Institut de Mathématiques de Bordeaux
CNRS researcher at the Institut de Mathématiques de Bordeaux
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Gradient Step Denoiser for convergent Plug-and-PlayInternational Conference on Learning Representations (ICLR'22), Apr 2022, Online, United States
Conference papers
hal-03370886v1
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Multi-Modal Hypergraph Diffusion Network with Dual Prior for Alzheimer ClassificationInternational Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI'22), Sep 2022, Singapour, Singapore
Conference papers
hal-03634109v1
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Proximal denoiser for convergent plug-and-play optimization with nonconvex regularizationInternational Conference on Machine Learning (ICML'22), Jul 2022, Baltimore, United States
Conference papers
hal-03550371v1
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POPCORN: Progressive Pseudo-labeling with Consistency Regularization and NeighboringInternational Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI'21), Sep 2021, Strasbourg (virtual), France. pp.373-382, ⟨10.1007/978-3-030-87196-3_35⟩
Conference papers
hal-03365185v1
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Apprentissage d'une fonction de régularisation locale pour la restauration d'imagesCongrès des jeunes chercheurs en vision par ordinateur (ORASIS'21), Centre National de la Recherche Scientifique [CNRS], Sep 2021, Saint Ferréol, France
Conference papers
hal-03339625v1
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Learning local regularization for variational image restorationInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'21), May 2021, Cabourg, France. pp.358-370, ⟨10.1007/978-3-030-75549-2_29⟩
Conference papers
hal-03139784v1
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Wasserstein Generative Models for Patch-based Texture SynthesisInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'21), May 2021, Cabourg, France. pp.269--280, ⟨10.1007/978-3-030-75549-2_22⟩
Conference papers
hal-02824076v2
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Where are my clothes? A multi-level approach for evaluating deep instance segmentation architectures on fashion imagesCVPR Workshop on Computer Vision for Fashion, Art, and Design (CVFAD'21), Jun 2021, Virtual event, United States. pp.3951-3955
Conference papers
hal-03272473v1
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Étude comparative de méthodologies issues de Mask R-CNN : Application au Corpus DeepFashion2Reconnaissance des Formes, Image, Apprentissage et Perception (RFIAP'20), Jun 2020, Vannes, France. pp.1-3
Conference papers
hal-02649010v1
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Learning to segment microscopy images with lazy labelsECCV Workshop on BioImage Computing (BIC'20), Aug 2020, Glasgow, United Kingdom. pp.411-428
Conference papers
hal-02170180v2
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Refitting solutions promoted by $\ell_{12}$ sparse analysis regularization with block penaltiesInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'19), Jun 2019, Hofgeismar, Germany. pp.131-143
Conference papers
hal-02059006v1
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Semi-supervised Learning with Graphs: Covariance Based Superpixels For Hyperspectral Image ClassificationIEEE Geoscience and Remote Sensing Symposium (IGARSS'19), Jul 2019, Yokohama, Japan. pp.592-595
Conference papers
hal-02057730v1
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GraphX$^{NET}-$ Chest X-Ray Classification Under Extreme Minimal SupervisionInternational Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI'19), Oct 2019, Shenzen, China. pp.504-512
Conference papers
hal-02193970v1
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Superpixels adaptés localement aux texturesColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'19), Aug 2019, Lille, France
Conference papers
hal-02117558v1
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Texture-Aware Superpixel SegmentationIEEE International Conference on Image Processing (ICIP'19), Sep 2019, Taipei, Taiwan. pp.1465-1469
Conference papers
hal-01995819v3
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SuperPatchMatch : Un algorithme de correspondances robustes de patchs de superpixelsCongrès Reconnaissance des Formes, Image, Apprentissage et Perception (RFIAP'18), May 2018, Marne-la-Vallée, France
Conference papers
hal-01702277v1
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Characterizing the maximum parameter of the total-variation denoising through the pseudo-inverse of the divergenceSignal Processing with Adaptive Sparse Structured Representations (SPARS'17), Jun 2017, Lisbon, Portugal
Conference papers
hal-01412059v1
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Overrelaxed Sinkhorn-Knopp Algorithm for Regularized Optimal TransportNIPS Workshop on Optimal Transport & Machine Learning (OTML'17), Dec 2017, Long Beach, United States
Conference papers
hal-01629985v1
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Luminance-Guided Chrominance Denoising with Debiased Coupled Total VariationEnergy Minimization Methods in Computer Vision and Pattern Recognition (EMMCVPR'17), Oct 2017, Venise, Italy. pp.235-248
Conference papers
hal-01569571v1
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Transfert de couleurs basé superpixelsColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'17), Sep 2017, Juan-les-Pins, France
Conference papers
hal-01542596v2
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Regularized Barycenters in the Wasserstein Space3rd International Conference Geometric Science of Information (GSI'17), Nov 2017, Paris, France. pp.83-90, ⟨10.1007/978-3-319-68445-1_10⟩
Conference papers
hal-03594772v1
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Robust Shape Regularity Criteria for Superpixel EvaluationIEEE International Conference on Image Processing (ICIP'17), Sep 2017, Beijing, China. pp.3455-3459
Conference papers
hal-01510062v2
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Superpixel-based Color TransferIEEE International Conference on Image Processing (ICIP'17), Sep 2017, Beijing, China. pp.700-704
Conference papers
hal-01519644v2
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Décomposition en superpixels via l’utilisation de chemin linéaireColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'17), Sep 2017, Juan-les-Pins, France
Conference papers
hal-01542599v1
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An improved optical flow tracking technique for real-time MR-guided beam therapies in moving organsIEEE International Symposium on Biomedical Imaging (ISBI'16), Apr 2016, Prague, Czech Republic
Conference papers
hal-01365990v1
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SCALP: Superpixels with Contour Adherence using Linear PathInternational Conference on Pattern Recognition (ICPR'16), Dec 2016, Cancun, Mexico. pp.2374-2379
Conference papers
hal-01349569v3
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Co-segmentation non-supervisée d'images utilisant les distances de SinkhornColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'15), Sep 2015, Lyon, France
Conference papers
hal-01200862v1
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Convex Color Image Segmentation with Optimal Transport DistancesInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'15), May 2015, Lège Cap Ferret, France. pp.256-269
Conference papers
hal-01133447v1
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On debiasing restoration algorithms: applications to total-variation and nonlocal-meansInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'15), May 2015, Lège Cap Ferret, France. pp.129-141
Conference papers
hal-01123542v1
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Fundamentals of Non-Local Total Variation Spectral TheoryInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'15), May 2015, Lège-Cap Ferret, France. pp.66-77, ⟨10.1007/978-3-319-18461-6_6⟩
Conference papers
hal-01199080v1
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Optimisation de l'algorithme PatchMatch pour la segmentation de structures anatomiquesColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'15), Sep 2015, Lyon, France
Conference papers
hal-01170197v1
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Non-convex Relaxation of Optimal Transport for Color Transfer Between ImagesGeometric Science of Information (GSI'15), Oct 2015, Paris-Saclay, France. pp.87-95
Conference papers
hal-01689687v1
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Contrast re-enhancement of Total-Variation regularization jointly with the Douglas-Rachford iterationsSignal Processing with Adaptive Sparse Structured Representations (SPARS'15), Jul 2015, Cambridge, United Kingdom
Conference papers
hal-01187061v1
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Adaptive Color Transfer With Relaxed Optimal TransportIEEE international Conference on Image Processing (ICIP'14), Oct 2014, Paris, France. pp.4852-4856
Conference papers
hal-01002830v1
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Exemplar-based colorization in RGB color spaceIEEE Internationnal Conference on Image Processing (ICIP'14), Oct 2014, Paris, France. pp.1-5
Conference papers
hal-01019627v1
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Assimilation de séquences d'images : vers une prise en compte des corrélations spatiales au sein des erreurs d'observationJournées Francophones "Extraction et Gestion des Connaissances" (EGC'14), Jan 2014, Rennes, France. pp.1-11
Conference papers
hal-00942711v1
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Accounting for correlated observation errors in image data assimilationConférence Africaine sur la Recherche en Informatique et Mathématiques Appliquées (CARI'14), Oct 2014, Saint Louis, Senegal
Conference papers
hal-01119039v1
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A convex formulation for global histogram based binary segmentationEnergy Minimization Methods in Computer Vision and Pattern Recognition (EMMCVPR'13), Aug 2013, Lund, Sweden. pp.1-14
Conference papers
hal-00834068v1
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Une formulation convexe pour la segmentation binaire d'images à partir d'histogrammes.Colloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'13), Sep 2013, Brest, France. pp.1-4
Conference papers
hal-00992086v1
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Assimilation directe de séquences d'images de traceur passif : application aux équations de Saint-VenantColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'13), Sep 2013, Brest, France. pp.1-4
Conference papers
hal-00913992v1
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Regularized Discrete Optimal TransportInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'13), Jun 2013, Schloss Seggau, Leibnitz, Austria. pp.428-439, ⟨10.1007/978-3-642-38267-3_36⟩
Conference papers
hal-00797078v1
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Optimal transport with proximal splittingSIAM Conference on Analysis of Partial Differential Equations, Dec 2013, United States
Conference papers
hal-00918460v1
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Assimilation d'images et de structuresColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'13), Sep 2013, Brest, France. pp.1-4
Conference papers
hal-00836062v3
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Active Contours without Level SetsIEEE International Conference on Image Processing (ICIP'12), Sep 2012, Orlando, Florida, United States. pp.2549-2552, ⟨10.1109/ICIP.2012.6467418⟩
Conference papers
hal-00696065v1
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Méthodes numériques pour le transport optimal: application en analyse d'imageCANUM 2012 - Congrès National d'Analyse Numérique, May 2012, Superbesse, France
Conference papers
hal-00748924v1
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Data assimilation with state alignment using the EnKFAmerican Geophysical Union Fall Meeting - 2012, Dec 2012, San Francisco, United States
Conference papers
hal-00748926v1
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Data assimilation with state alignment using high-level image structures detectionnternational Conference on Computer Vision in Remote Sensing (CVRS'12), Dec 2012, Xiamen, China. pp.78-83, ⟨10.1109/CVRS.2012.6421237⟩
Conference papers
hal-00740666v1
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Assimilation directe de séquences d'images bruitésColloque National sur l'Assimilation de Données, Dec 2012, Nice, France
Conference papers
hal-00763248v1
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Assimilation directe de séquences d'imagesAdvanced data assimilation for geosciences, May 2012, Les Houches, France
Conference papers
hal-00763200v1
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Stereoscopic Image Inpainting using scene geometryIEEE International Conference on Multimedia and Expo (ICME'11), Jul 2011, Barcelona, Spain. pp.1-6, ⟨10.1109/ICME.2011.6011901⟩
Conference papers
inria-00622591v1
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Assimilation of Images: A variational frameworkISEC - International Symposium on Earth-science Challenges, Sep 2011, Norman, Oklahoma, United States
Conference papers
hal-00769825v1
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Polyconvexification of the multi-label optical flow problemIEEE International Conference on Image Processing (ICIP'10), Sep 2010, Hong-Kong, China. pp.765-768, ⟨10.1109/ICIP.2010.5652107⟩
Conference papers
hal-00596186v1
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Stereoscopic image inpainting: distinct depth maps and images inpaintingInternational Conference on Pattern Recognition (ICPR'10), 2010, Istanbul, Turkey. pp.4101-4104, ⟨10.1109/ICPR.2010.997⟩
Conference papers
hal-00551565v1
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Virtual camera synthesis for soccer game replaysConference on Visual Media Production (CVMP'10), Nov 2010, London, United Kingdom. pp.1-8
Conference papers
hal-00655853v1
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Coherent Background Video Inpainting through Kalman Smoothing along TrajectoriesInternational Workshop on Vision, Modeling, and Visualization (VMV'10), Nov 2010, Siegen, Germany. pp.123-130, ⟨10.2312/PE/VMV/VMV10/123-130⟩
Conference papers
hal-00522641v1
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Assimilation variationnelle de données dans un système dynamique d'ordre réduitCongrès Français de Mécanique (CFM'09), Enseignement Supérieur de Marseille et de Provence, Aug 2009, Marseille, France. pp.6
Conference papers
inria-00433388v1
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Assimilation variationnelle de donnée dans un système dynamique d'ordre réduitCongrès Français de Mécanique (CFM'09), Aug 2009, Marseille, France. pp.1-6
Conference papers
hal-03390806v1
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Variational Pressure Image Assimilation for Atmospheric Motion EstimationIEEE International Geoscience and Remote Sensing Symposium (IGARSS'08), Jul 2008, Boston, United States. pp.II-505-II-508, ⟨10.1109/IGARSS.2008.4779039⟩
Conference papers
hal-03594606v1
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Estimation variationnelle et cohérente en temps de mouvements fluidesCongrès Francophone AFRIF-AFIA de Reconnaissance des Formes et Intelligence Artificielle (RFIA'08), Jan 2008, Amiens, France. pp.1-8
Conference papers
hal-00655901v1
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Estimation du flot optique dans les écoulements turbulentsJournées GDR Structure de la Turbulence et Mélange: Couplage Modèle-Données, Jan 2008, Rennes, France. pp.63
Conference papers
hal-02591099v1
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A Consistent Spatio-temporal Motion Estimator for Atmospheric LayersInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'07), 2007, Ischia, Italy. pp.251-263, ⟨10.1007/978-3-540-72823-8_22⟩
Conference papers
hal-03594588v1
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Dense estimation of motion fields on meteosat second generation images using a dynamical consistencyIEEE International Geoscience and Remote Sensing Symposium (IGARSS'07), Jul 2007, Barcelona, Spain. pp.4749-4752, ⟨10.1109/IGARSS.2007.4423921⟩
Conference papers
hal-03594602v1
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Assimilation variationelle de systèmes dynamiques d'ordre faible3ème Congrès national de mathématiques appliquées et industrielles (SMAI'07), Jun 2007, Praz sur Arly, France
Conference papers
hal-00656394v1
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Image assimilation for motion estimation of atmospheric layers with shallow-water modelAsian Conference on Computer Vision (ACCV'07), Nov 2007, Tokyo, Japan. pp.864-874
Conference papers
hal-00596194v1
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Variational optimal control technique for the tracking of deformable objectsIEEE International Conference on Computer Vision (ICCV'07), Oct 2007, Rio de Janeiro, Brazil. pp.1-8, ⟨10.1109/ICCV.2007.4408944⟩
Conference papers
hal-00596203v1
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Dynamically consistent optical flow estimationIEEE International Conference on Computer Vision (ICCV'07), Oct 2007, Rio de Janeiro, Brazil. pp.1-7, ⟨10.1109/ICCV.2007.4408889⟩
Conference papers
hal-00596200v1
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Comparison of MSG dense atmospheric motion vector fields produced by different methodsEUMETSAT Meteorological Satellite Conference, Sep 2007, Amsterdam, Netherlands
Conference papers
hal-03594632v1
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A variational framework for spatio-temporal smoothing of fluid motionsInternational Conference on Scale Space and Variational Methods in Computer Vision (SSVM'07), May 2007, Ischia, Italy. pp.603-615
Conference papers
hal-00655902v1
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Une approche variationelle pour le suivi de contoursCongrès Francophone AFRIF-AFIA de Reconnaissance des Formes et Intelligence Artificielle (RFIA'08), Jan 2006, Tours, France. pp.1-8
Conference papers
hal-00656390v1
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Dense estimation of layer motions in the atmosphereInternational Conference on Pattern Recognition (ICPR'06), Aug 2006, Hong Kong, China. pp.1-4
Conference papers
hal-00655854v1
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Suivi du mouvement fluide: approche stochastique et variationnelleJournées Activités Universitaires de Mécanique (AUM'06), Aug 2006, La Rochelle, France. pp.1-4
Conference papers
hal-00655905v1
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A variational approach for object contour trackingICCV Workshop on Variational, Geometric and Level Set Methods in Computer Vision (VLSM'05), Oct 2005, Beijing, China. pp.259-270
Conference papers
hal-00655852v1
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Refitting Solutions Promoted by $$\ell _{12}$$ Sparse Analysis Regularizations with Block PenaltiesScale Space and Variational Methods in Computer Vision, 11603, , pp.131-143, 2019, 978-3-030-22367-0. ⟨10.1007/978-3-030-22368-7_11⟩
Book sections
hal-03107463v1
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Diverse super-resolution with pretrained deep hiererarchical VAEs2022
Preprints, Working Papers, ...
hal-03675314v1
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On the Existence of Optimal Transport Gradient for Learning Generative Models2021
Preprints, Working Papers, ...
hal-03137342v1
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Approximation of Wasserstein distance with Transshipment2019
Preprints, Working Papers, ...
hal-01997598v1
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Beyond Supervised Classification: Extreme Minimal Supervision with the Graph 1-Laplacian2019
Preprints, Working Papers, ...
hal-02170176v1
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Parameter Estimation in Finite Mixture Models by Regularized Optimal Transport: A Unified Framework for Hard and Soft Clustering2017
Preprints, Working Papers, ...
hal-01635325v1
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Regularization of barycenters in the Wasserstein space2016
Preprints, Working Papers, ...
hal-01333397v1
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Luminance-Chrominance Model for Image Colorization2014
Preprints, Working Papers, ...
hal-01051308v1
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Multiphysics optimal transportation and image analysis2012
Preprints, Working Papers, ...
hal-00740671v1
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Assimilation de données images : application au suivi de courbes et de champs de vecteursTraitement du signal et de l'image [eess.SP]. Université Rennes 1; PhD thesis, 2007. Français. ⟨NNT : ⟩
Theses
tel-00655898v1
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Optimal Transport for Image ProcessingSignal and Image Processing. Université de Bordeaux; Habilitation thesis, 2015
Habilitation à diriger des recherches
tel-01246096v8
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Scale Space and Variational Methods in Computer Vision5th International Conference on Scale Space and Variational Methods in Computer Vision, May 2015, Lège Cap Ferret, France. 9087, Springer, 2015, Lecture Notes in Computer Science
Proceedings
hal-02047394v1
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