Access content directly

Nicolas Papadakis

139
Documents
Current affiliations
  • 409748

Presentation

CNRS researcher at the Institut de Mathématiques de Bordeaux
CNRS researcher at the Institut de Mathématiques de Bordeaux

Publications

Convergent plug-and-play with proximal denoiser and unconstrained regularization parameter

Samuel Hurault , Antonin Chambolle , Arthur Leclaire , Nicolas Papadakis
Journal of Mathematical Imaging and Vision, inPress
Journal articles hal-04269033v1
Image document

On the Gradient Formula for learning Generative Models with Regularized Optimal Transport Costs

Antoine Houdard , Arthur Leclaire , Nicolas Papadakis , Julien Rabin
Transactions on Machine Learning Research Journal, 2023
Journal articles hal-03740368v1
Image document

A Generative Model for Texture Synthesis based on Optimal Transport between Feature Distributions

Antoine Houdard , Arthur Leclaire , Nicolas Papadakis , Julien Rabin
Journal of Mathematical Imaging and Vision, 2022, ⟨10.1007/s10851-022-01108-9⟩
Journal articles hal-03386084v1

GraphXCOVID: Explainable Deep Graph Diffusion Pseudo-Labelling for Identifying COVID-19 on Chest X-rays

Angelica I Aviles-Rivero , Philip Sellars , Carola-Bibiane Schönlieb , Nicolas Papadakis
Pattern Recognition, inPress, 122, pp.108274. ⟨10.1016/j.patcog.2021.108274⟩
Journal articles hal-02957465v1

Multi-task deep learning for image segmentation using recursive approximation tasks

Rihuan Ke , Aurélie Bugeau , Nicolas Papadakis , Mark Kirkland , Peter Schuetz
IEEE Transactions on Image Processing, 2021, 30, pp.3555-3567. ⟨10.1109/TIP.2021.3062726⟩
Journal articles hal-02638394v1
Image document

Overrelaxed Sinkhorn-Knopp Algorithm for Regularized Optimal Transport

Alexis Thibault , Lénaïc Chizat , Charles Dossal , Nicolas Papadakis
Algorithms, 2021, Optimal Transport: Algorithms and Applications, 14 (5), ⟨10.3390/a14050143⟩
Journal articles hal-03212175v1

Nonlinear Power Method for Computing Eigenvectors of Proximal Operators and Neural Networks

Leon Bungert , Ester Hait-Fraenkel , Nicolas Papadakis , Guy Gilboa
SIAM Journal on Imaging Sciences, 2021, 14 (3), pp.1114-1148. ⟨10.1137/20M1384154⟩
Journal articles hal-03323046v1
Image document

Block based refitting in $\ell_{12}$ sparse regularisation

Charles-Alban Deledalle , Nicolas Papadakis , Joseph Salmon , Samuel Vaiter
Journal of Mathematical Imaging and Vision, 2021, 63, pp.216-236. ⟨10.1007/s10851-020-00993-2⟩
Journal articles hal-02330441v1
Image document

Variational Osmosis for Non-linear Image Fusion

Simone Parisotto , Luca Calatroni , Aurélie Bugeau , Nicolas Papadakis , Carola-Bibiane Schönlieb
IEEE Transactions on Image Processing, 2020, 29, pp.5507-5516
Journal articles hal-02314972v1
Image document

Development of an Image De-Noising Method in Preparation for the Surface Water and Ocean Topography Satellite Mission

Laura Gomez-Navarro , Emmanuel Cosme , Julien Le Sommer , Nicolas Papadakis , Ananda Pascual
Remote Sensing, 2020, 12 (4), pp.734. ⟨10.3390/rs12040734⟩
Journal articles hal-02490206v1
Image document

On the convergence of augmented Lagrangian method for optimal transport between nonnegative densities

Romain Hug , Emmanuel Maitre , Nicolas Papadakis
Journal of Mathematical Analysis and Applications, 2020, 485 (2), pp.123811. ⟨10.1016/j.jmaa.2019.123811⟩
Journal articles hal-01128793v5
Image document

A proper generalized decomposition approach for optical flow estimation

Abdallah El Hamidi , Marwan Saleh , Nicolas Papadakis , Baudouin Denis de Senneville
Mathematical Methods in the Applied Sciences, 2020, 43 (8), pp.5339-5356. ⟨10.1002/mma.6275⟩
Journal articles hal-02471619v1
Image document

Penalization of Barycenters in the Wasserstein Space

Jérémie Bigot , Elsa Cazelles , Nicolas Papadakis
SIAM Journal on Mathematical Analysis, 2019, 51 (3), pp.2261-2285
Journal articles hal-01564007v1
Image document

Central limit theorems for entropy-regularized optimal transport on finite spaces and statistical applications

Jérémie Bigot , Elsa Cazelles , Nicolas Papadakis
Electronic Journal of Statistics , 2019, 13 (2), pp.5120-5150
Journal articles hal-01647869v2
Image document

Rayleigh quotient minimization for absolutely one-homogeneous functionals

Tal Feld , Jean-François Aujol , Guy Gilboa , Nicolas Papadakis
Inverse Problems, 2019, ⟨10.1088/1361-6420/ab0cb2⟩
Journal articles hal-01864129v2

Data-driven regularization of Wasserstein barycenters with an application to multivariate density registration

Jérémie Bigot , Elsa Cazelles , Nicolas Papadakis
Information and Inference, 2019, 8 (4), pp.719-755. ⟨10.1093/imaiai/iaz023⟩
Journal articles hal-01790015v1
Image document

Apprendre à coloriser des images

Aurélie Bugeau , Nicolas Papadakis
Interstices, 2019
Journal articles hal-02187269v1
Image document

Theoretical Analysis of Flows Estimating Eigenfunctions of One-homogeneous Functionals

Jean-François Aujol , Guy Gilboa , Nicolas Papadakis
SIAM Journal on Imaging Sciences, 2018, 11 (2), pp.1416-1440
Journal articles hal-01563922v1
Image document

Robust Superpixels using Color and Contour Features along Linear Path

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis
Computer Vision and Image Understanding, 2018
Journal articles hal-01510063v5
Image document

Regularized Optimal Transport and the ROT Mover's Distance

Arnaud Dessein , Nicolas Papadakis , Jean-Luc Rouas
Journal of Machine Learning Research, 2018
Journal articles hal-01540866v1
Image document

Log-PCA versus Geodesic PCA of histograms in the Wasserstein space

Elsa Cazelles , Vivien Seguy , Jérémie Bigot , Marco Cuturi , Nicolas Papadakis
SIAM Journal on Scientific Computing, 2018, 40 (2), pp.B429-B456
Journal articles hal-01581699v2
Image document

Evaluation Framework of Superpixel Methods with a Global Regularity Measure

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis
Journal of Electronic Imaging, 2017, Special Section on Superpixels for Image Processing and Computer Vision
Journal articles hal-01519635v1
Image document

SuperPatchMatch: an Algorithm for Robust Correspondences using Superpixel Patches

Rémi Giraud , Vinh-Thong Ta , Aurélie Bugeau , Pierrick Coupé , Nicolas Papadakis
IEEE Transactions on Image Processing, 2017, ⟨10.1109/TIP.2017.2708504⟩
Journal articles hal-01432116v3
Image document

CLEAR: Covariant LEAst-Square Refitting with Applications to Image Restoration

Charles-Alban Deledalle , Nicolas Papadakis , Joseph Salmon , Samuel Vaiter
SIAM Journal on Imaging Sciences, 2017, 10 (1), pp.243-284. ⟨10.1137/16M1080318⟩
Journal articles hal-01333295v3
Image document

Convex Histogram-Based Joint Image Segmentation with Regularized Optimal Transport Cost

Nicolas Papadakis , Julien Rabin
Journal of Mathematical Imaging and Vision, 2017, ⟨10.1007/s10851-017-0725-5⟩
Journal articles hal-01533657v1
Image document

An Optimized PatchMatch for multi-scale and multi-feature label fusion

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis , Jose Vicente Manjon , D Louis Collins
NeuroImage, 2016, 124, pp.770-782. ⟨10.1016/j.neuroimage.2015.07.076⟩
Journal articles hal-01198703v1
Image document

An improved optical flow tracking technique for real-time MR-guided beam therapies in moving organs

Cornel Zachiu , Nicolas Papadakis , Mario Ries , Chrit Moonen , Baudouin Denis de Senneville
Physics in Medicine and Biology, 2015
Journal articles hal-01212632v1

Luminance-Chrominance Model for Image Colorization

Fabien Pierre , Jean-François Aujol , Aurélie Bugeau , Nicolas Papadakis , Vinh-Thong Ta
SIAM Journal on Imaging Sciences, 2015, pp.536-563. ⟨10.1137/140979368⟩
Journal articles hal-01166919v1
Image document

Multi-physics Optimal Transportation and Image Interpolation

Romain Hug , Emmanuel Maitre , Nicolas Papadakis
ESAIM: Mathematical Modelling and Numerical Analysis, 2015, Special Issue - Optimal Transport, 49 (6), pp.1671-1692. ⟨10.1051/m2an/2015038⟩
Journal articles hal-00998370v1
Image document

Accounting for observation errors in image data assimilation

Vincent Chabot , Maëlle Nodet , Nicolas Papadakis , Arthur Vidard
Tellus A, 2015, 67 (23629), pp.19. ⟨10.3402/tellusa.v67.23629⟩
Journal articles hal-00923735v3

Outils méthodologiques l'analyse d'images MSG : estimation du mouvement, suivi de masses nuageuses et détéction de fronts.

Thomas Corpetti , Vincent Dubreuil , Etienne Mémin , Nicolas Papadakis , Olivier Planchon
Revue Française de Photogrammétrie et de Télédétection, 2014, 205, pp.3-18. ⟨10.52638/rfpt.2014.11⟩
Journal articles hal-01102978v1
Image document

Optimal Transport with Proximal Splitting

Nicolas Papadakis , Gabriel Peyré , Edouard Oudet
SIAM Journal on Imaging Sciences, 2014, 7 (1), pp.212-238. ⟨10.1137/130920058⟩
Journal articles hal-00816211v2
Image document

Variational Exemplar-Based Image Colorization

Aurélie Bugeau , Vinh-Thong Ta , Nicolas Papadakis
IEEE Transactions on Image Processing, 2014, 23 (1), ⟨10.1109/TIP.2013.2288929⟩
Journal articles hal-00803219v1

Regularized Discrete Optimal Transport

Sira Ferradans , Nicolas Papadakis , Gabriel Peyré , Jean-François Aujol
SIAM Journal on Imaging Sciences, 2014, 7 (3), pp.1853-1882. ⟨10.1137/130929886⟩
Journal articles hal-01188963v1
Image document

High-dimension multi-label problems: convex or non convex relaxation?

Nicolas Papadakis , Romain Yildizoglu , Jean-François Aujol , Vicent Caselles
SIAM Journal on Imaging Sciences, 2013, 6 (4), pp.2603-2639. ⟨10.1137/120900307⟩
Journal articles hal-00757084v3
Image document

Virtual camera synthesis for soccer game replays

Nicolas Papadakis , Antonio Baeza , Aurélie Bugeau , Olivier d'Hondt , Pau Gargallo I Piracés
Journal of Virtual Reality and Broadcasting, 2013, 9(2012), pp.5. ⟨10.20385/1860-2037/9.2012.5⟩
Journal articles hal-00854057v1
Image document

Image editing with spatiogram transfer

Nicolas Papadakis , Aurélie Bugeau , Vicent Caselles
IEEE Transactions on Image Processing, 2012, 21 (5), pp.2513 - 2522. ⟨10.1109/TIP.2012.2183144⟩
Journal articles hal-00675686v1

Tracking with Occlusions via Graph Cuts

Nicolas Papadakis , Aurélie Bugeau
IEEE Transactions on Pattern Analysis and Machine Intelligence, 2011, 33 (1), pp.144-157. ⟨10.1109/TPAMI.2010.56⟩
Journal articles hal-00522633v1
Image document

A Variational Model for Histogram Transfer of Color Images

Nicolas Papadakis , Edoardo Provenzi , Vicent Caselles
IEEE Transactions on Image Processing, 2011, 20 (6), pp.1682-1695. ⟨10.1109/TIP.2010.2095869⟩
Journal articles hal-00596053v1

Data assimilation with the Weighted Ensemble Kalman Filter

Nicolas Papadakis , Etienne Mémin , Anne Cuzol , Nicolas Gengembre
Tellus A, 2010, 62 (5), pp.673-697. ⟨10.1111/j.1600-0870.2010.00461.x⟩
Journal articles hal-00490840v1

A narrow band method for the convex formulation of discrete multi-label problems

Antonio Baeza , Vicent Caselles , Pau Gargallo I Piracés , Nicolas Papadakis
Multiscale Modeling and Simulation: A SIAM Interdisciplinary Journal, 2010, 8 (5), pp.2048-2078. ⟨10.1137/090780936⟩
Journal articles hal-00596060v1

Multi-label depth estimation for graph cuts stereo problems

Nicolas Papadakis , Vicent Caselles
Journal of Mathematical Imaging and Vision, 2010, 38 (1), pp.70-82. ⟨10.1007/s10851-010-0212-8⟩
Journal articles hal-00596140v1

Pressure image assimilation for atmospheric motion estimation

Thomas Corpetti , Patrick Héas , Etienne Mémin , Nicolas Papadakis
Tellus A, 2009, 61 (1), pp.160-178. ⟨10.1111/j.1600-0870.2008.00370.x⟩
Journal articles hal-00596223v1

A variational technique for time consistent tracking of curves and motion

Nicolas Papadakis , Etienne Mémin
Journal of Mathematical Imaging and Vision, 2008, 31 (1), pp.81-103. ⟨10.1007/s10851-008-0069-2⟩
Journal articles hal-00596154v1

Variational assimilation of fluid motion from image sequence

Nicolas Papadakis , Etienne Mémin
SIAM Journal on Imaging Sciences, 2008, 1 (4), pp.343-363. ⟨10.1137/080713896⟩
Journal articles hal-00596149v1

Variational assimilation of POD low-order dynamical systems

Juan d'Adamo , Nicolas Papadakis , Etienne Mémin , Guillermo Artana
Journal of Turbulence, 2007, 8 (9), pp.1-23. ⟨10.1080/14685240701242385⟩
Journal articles hal-00596160v1

Layered estimation of atmospheric mesoscale dynamics from satellite imagery

Patrick Héas , Etienne Mémin , Nicolas Papadakis , André Szantai
IEEE Transactions on Geoscience and Remote Sensing, 2007, 45(2) (12), pp.4087-4104. ⟨10.1109/TGRS.2007.906156⟩
Journal articles hal-00596167v1

Plug-and-Play image restoration with Stochastic deNOising REgularization

Marien Renaud , Jean Prost , Arthur Leclaire , Nicolas Papadakis
International Conference on Machine Learning (ICML'24), Jul 2024, Vienna & Online, Austria
Conference papers hal-04440453v1
Image document

Efficient Posterior Sampling For Diverse Super-Resolution with Hierarchical VAE Prior

Jean Prost , Antoine Houdard , Andrés Almansa , Nicolas Papadakis
VISAPP 2024 - 19th International Conference on Computer Vision Theory and Applications, Feb 2024, Rome, Italy. ⟨10.5220/0012352800003660⟩
Conference papers hal-03675314v1

A unified framework for hard and soft clustering with regularized optimal transport

Jean-Frédéric Diebold , Nicolas Papadakis , Arnaud Dessein , Charles-Alban Deledalle
European conference on signal processing, Aug 2024, Lyon, France
Conference papers hal-01635325v1

SCOTCH and SODA: A Transformer Video Shadow Detection Framework

Lihao Liu , Jean Prost , Lei Zhu , Nicolas Papadakis , Pietro Liò
IEEE / CVF Computer Vision and Pattern Recognition Conference (CVPR'23), Jun 2023, Vancouver, Canada
Conference papers hal-03944252v1

Inverse problem regularization with hierarchical variational autoencoders

Jean Prost , Antoine Houdard , Andres Almansa , Nicolas Papadakis
IEEE International Conference on Computer Vision (ICCV'23), Oct 2023, Paris, France
Conference papers hal-04038644v1

A patch-based architecture for multi-label classification from single label annotations

Warren Jouanneau , Aurélie Bugeau , Marc Palyart , Nicolas Papadakis , Laurent Vézard
International Conference on Computer Vision Theory and Applications (VISAPP'23), Jan 2023, Lisbon, Portugal
Conference papers hal-03783915v1

A relaxed proximal gradient descent algorithm for convergent plug-and-play with proximal denoiser

Samuel Hurault , Antonin Chambolle , Arthur Leclaire , Nicolas Papadakis
International Conference on Scale Space and Variational Methods in Computer Vision (SSVM'23), May 2023, Santa Margherita di Pula, Italy. ⟨10.1007/978-3-031-31975-4_29⟩
Conference papers hal-03967018v1

Convergent Bregman Plug-and-Play Image Restoration for Poisson Inverse Problems

Samuel Hurault , Ulugbek Kamilov , Arthur Leclaire , Nicolas Papadakis
Neural Information Processing Systems (NeurIPS'23), Dec 2023, New Orleans, United States
Conference papers hal-04121529v1

Proximal denoiser for convergent plug-and-play optimization with nonconvex regularization

Samuel Hurault , Arthur Leclaire , Nicolas Papadakis
International Conference on Machine Learning (ICML'22), Jul 2022, Baltimore, United States
Conference papers hal-03550371v1
Image document

Débruiteur "descente de gradient" pour la convergence d'une méthode Plug-and-Play

Samuel Hurault , Arthur Leclaire , Nicolas Papadakis
Colloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'22), Sep 2022, Nancy, France
Conference papers hal-03783901v1

Multi-Modal Hypergraph Diffusion Network with Dual Prior for Alzheimer Classification

Angelica I. Aviles-Rivero , Christina Runkel , Nicolas Papadakis , Zoe Kourtzi , Carola-Bibiane Schönlieb
International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI'22), Sep 2022, Singapour, Singapore
Conference papers hal-03634109v1

Gradient Step Denoiser for convergent Plug-and-Play

Samuel Hurault , Arthur Leclaire , Nicolas Papadakis
International Conference on Learning Representations (ICLR'22), Apr 2022, Online, United States
Conference papers hal-03370886v1
Image document

Where are my clothes? A multi-level approach for evaluating deep instance segmentation architectures on fashion images

Warren Jouanneau , Aurélie Bugeau , Marc Palyart , Nicolas Papadakis , Laurent Vézard
CVPR Workshop on Computer Vision for Fashion, Art, and Design (CVFAD'21), Jun 2021, Virtual event, United States. pp.3951-3955, ⟨10.1109/CVPRW53098.2021.00443⟩
Conference papers hal-03272473v1
Image document

Learning local regularization for variational image restoration

Jean Prost , Antoine Houdard , Andrés Almansa , Nicolas Papadakis
International 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
Image document

Wasserstein Generative Models for Patch-based Texture Synthesis

Antoine Houdard , Arthur Leclaire , Nicolas Papadakis , Julien Rabin
International 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
Image document

Apprentissage d'une fonction de régularisation locale pour la restauration d'images

Jean Prost , Antoine Houdard , Andrés Almansa , Nicolas Papadakis
Congrès 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
Image document

POPCORN: Progressive Pseudo-labeling with Consistency Regularization and Neighboring

Reda Abdellah Kamraoui , Vinh-Thong Ta , Nicolas Papadakis , Fanny Compaire , José V Manjon
International 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
Image document

Étude comparative de méthodologies issues de Mask R-CNN : Application au Corpus DeepFashion2

Warren Jouanneau , Aurélie Bugeau , Marc Palyart , Nicolas Papadakis , Laurent Vezard
Reconnaissance des Formes, Image, Apprentissage et Perception (RFIAP'20), Jun 2020, Vannes, France. pp.1-3
Conference papers hal-02649010v1
Image document

Learning to segment microscopy images with lazy labels

Rihuan Ke , Aurélie Bugeau , Nicolas Papadakis , Peter Schuetz , Carola-Bibiane Schönlieb
ECCV Workshop on BioImage Computing (BIC'20), Aug 2020, Glasgow, United Kingdom. pp.411-428
Conference papers hal-02170180v2
Image document

Texture-Aware Superpixel Segmentation

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis , Yannick Berthoumieu
IEEE International Conference on Image Processing (ICIP'19), Sep 2019, Taipei, Taiwan. pp.1465-1469
Conference papers hal-01995819v3
Image document

Refitting solutions promoted by $\ell_{12}$ sparse analysis regularization with block penalties

Charles-Alban Deledalle , Nicolas Papadakis , Joseph Salmon , Samuel Vaiter
International Conference on Scale Space and Variational Methods in Computer Vision (SSVM'19), Jun 2019, Hofgeismar, Germany. pp.131-143
Conference papers hal-02059006v1
Image document

Semi-supervised Learning with Graphs: Covariance Based Superpixels For Hyperspectral Image Classification

Philip Sellars , Angelica I. Aviles-Rivero , Nicolas Papadakis , David Coomes , Anita Faul
IEEE Geoscience and Remote Sensing Symposium (IGARSS'19), Jul 2019, Yokohama, Japan. pp.592-595
Conference papers hal-02057730v1
Image document

Superpixels adaptés localement aux textures

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis , Yannick Berthoumieu
Colloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'19), Aug 2019, Lille, France
Conference papers hal-02117558v1
Image document

GraphX$^{NET}-$ Chest X-Ray Classification Under Extreme Minimal Supervision

Angelica I. Aviles-Rivero , Nicolas Papadakis , Ruoteng Li , Philip Sellars , Qingnan Fan
International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI'19), Oct 2019, Shenzen, China. pp.504-512
Conference papers hal-02193970v1
Image document

SuperPatchMatch : Un algorithme de correspondances robustes de patchs de superpixels

Rémi Giraud , Vinh-Thong Ta , Aurélie Bugeau , Pierrick Coupé , Nicolas Papadakis
Congrès Reconnaissance des Formes, Image, Apprentissage et Perception (RFIAP'18), May 2018, Marne-la-Vallée, France
Conference papers hal-01702277v1
Image document

Superpixel-based Color Transfer

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis
IEEE International Conference on Image Processing (ICIP'17), Sep 2017, Beijing, China. pp.700-704
Conference papers hal-01519644v2
Image document

Décomposition en superpixels via l’utilisation de chemin linéaire

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis
Colloque 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
Image document

Luminance-Guided Chrominance Denoising with Debiased Coupled Total Variation

Fabien Pierre , Jean-François Aujol , Charles-Alban Deledalle , Nicolas Papadakis
Energy Minimization Methods in Computer Vision and Pattern Recognition (EMMCVPR'17), Oct 2017, Venise, Italy. pp.235-248
Conference papers hal-01569571v1
Image document

Robust Shape Regularity Criteria for Superpixel Evaluation

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis
IEEE International Conference on Image Processing (ICIP'17), Sep 2017, Beijing, China. pp.3455-3459
Conference papers hal-01510062v2
Image document

Regularized Barycenters in the Wasserstein Space

Elsa Cazelles , Jérémie Bigot , Nicolas Papadakis
3rd 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
Image document

Transfert de couleurs basé superpixels

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis
Colloque 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
Image document

Characterizing the maximum parameter of the total-variation denoising through the pseudo-inverse of the divergence

Charles-Alban Deledalle , Nicolas Papadakis , Joseph Salmon , Samuel Vaiter
Signal Processing with Adaptive Sparse Structured Representations (SPARS'17), Jun 2017, Lisbon, Portugal
Conference papers hal-01412059v1
Image document

Overrelaxed Sinkhorn-Knopp Algorithm for Regularized Optimal Transport

Alexis Thibault , Lenaic Chizat , Charles H Dossal , Nicolas Papadakis
NIPS Workshop on Optimal Transport & Machine Learning (OTML'17), Dec 2017, Long Beach, United States
Conference papers hal-01629985v1
Image document

SCALP: Superpixels with Contour Adherence using Linear Path

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis
International Conference on Pattern Recognition (ICPR'16), Dec 2016, Cancun, Mexico. pp.2374-2379
Conference papers hal-01349569v3
Image document

An improved optical flow tracking technique for real-time MR-guided beam therapies in moving organs

Cornel Zachiu , Nicolas Papadakis , Mario Ries , Chrit Moonen , Baudouin Denis de Senneville
IEEE International Symposium on Biomedical Imaging (ISBI'16), Apr 2016, Prague, Czech Republic
Conference papers hal-01365990v1
Image document

Contrast re-enhancement of Total-Variation regularization jointly with the Douglas-Rachford iterations

Charles-Alban Deledalle , Nicolas Papadakis , Joseph Salmon
Signal Processing with Adaptive Sparse Structured Representations (SPARS'15), Jul 2015, Cambridge, United Kingdom
Conference papers hal-01187061v1
Image document

Convex Color Image Segmentation with Optimal Transport Distances

Julien Rabin , Nicolas Papadakis
International 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

Non-convex Relaxation of Optimal Transport for Color Transfer Between Images

Julien Rabin , Nicolas Papadakis
Geometric Science of Information (GSI'15), Oct 2015, Paris-Saclay, France. pp.87-95
Conference papers hal-01689687v1
Image document

On debiasing restoration algorithms: applications to total-variation and nonlocal-means

Charles-Alban Deledalle , Nicolas Papadakis , Joseph Salmon
International 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
Image document

Co-segmentation non-supervisée d'images utilisant les distances de Sinkhorn

Julien Rabin , Nicolas Papadakis
Colloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'15), Sep 2015, Lyon, France
Conference papers hal-01200862v1
Image document

Optimisation de l'algorithme PatchMatch pour la segmentation de structures anatomiques

Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis , D. Louis Collins , Pierrick Coupé
Colloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'15), Sep 2015, Lyon, France
Conference papers hal-01170197v1

Fundamentals of Non-Local Total Variation Spectral Theory

Jean-François Aujol , Guy Gilboa , Nicolas Papadakis
International 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
Image document

Exemplar-based colorization in RGB color space

Fabien Pierre , Jean-François Aujol , Aurélie Bugeau , Nicolas Papadakis , Vinh-Thong Ta
IEEE Internationnal Conference on Image Processing (ICIP'14), Oct 2014, Paris, France. pp.1-5
Conference papers hal-01019627v1
Image document

Adaptive Color Transfer With Relaxed Optimal Transport

Julien Rabin , Sira Ferradans , Nicolas Papadakis
IEEE international Conference on Image Processing (ICIP'14), Oct 2014, Paris, France. pp.4852-4856
Conference papers hal-01002830v1
Image document

Assimilation de séquences d'images : vers une prise en compte des corrélations spatiales au sein des erreurs d'observation

Vincent Chabot , Maëlle Nodet , Nicolas Papadakis , Arthur Vidard
Journées Francophones "Extraction et Gestion des Connaissances" (EGC'14), Jan 2014, Rennes, France. pp.1-11
Conference papers hal-00942711v1
Image document

Accounting for correlated observation errors in image data assimilation

Vincent Chabot , Arthur Vidard , Maëlle Nodet , Nicolas Papadakis
Conférence Africaine sur la Recherche en Informatique et Mathématiques Appliquées (CARI'14), Oct 2014, Saint Louis, Senegal
Conference papers hal-01119039v1
Image document

Regularized Discrete Optimal Transport

Sira Ferradans , Nicolas Papadakis , Julien Rabin , Gabriel Peyré , Jean-François Aujol
International 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
Image document

A convex formulation for global histogram based binary segmentation

Romain Yildizoglu , Jean-François Aujol , Nicolas Papadakis
Energy Minimization Methods in Computer Vision and Pattern Recognition (EMMCVPR'13), Aug 2013, Lund, Sweden. pp.1-14
Conference papers hal-00834068v1
Image document

Assimilation d'images et de structures

Nicolas Papadakis , Vincent Chabot , Alexandros Makris , Maëlle Nodet , Arthur Vidard
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-00836062v3
Image document

Une formulation convexe pour la segmentation binaire d'images à partir d'histogrammes.

Romain Yildizoglu , Jean-François Aujol , Nicolas Papadakis
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
Image document

Assimilation directe de séquences d'images de traceur passif : application aux équations de Saint-Venant

Vincent Chabot , Maëlle Nodet , Arthur Vidard , Nicolas Papadakis
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-00913992v1

Optimal transport with proximal splitting

Nicolas Papadakis
SIAM Conference on Analysis of Partial Differential Equations, Dec 2013, United States
Conference papers hal-00918460v1

Assimilation directe de séquences d'images

Vincent Chabot , Nicolas Papadakis , Maëlle Nodet , Arthur Vidard
Advanced data assimilation for geosciences, May 2012, Les Houches, France
Conference papers hal-00763200v1
Image document

Data assimilation with state alignment using high-level image structures detection

Alexandros Makris , Nicolas Papadakis
nternational 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

Assimilation directe de séquences d'images bruités

Vincent Chabot , Maëlle Nodet , Arthur Vidard , Nicolas Papadakis
Colloque National sur l'Assimilation de Données, Dec 2012, Nice, France
Conference papers hal-00763248v1

Méthodes numériques pour le transport optimal: application en analyse d'image

Afaf Bouharguane , Emmanuel Maitre , Edouard Oudet , Nicolas Papadakis
CANUM 2012 - Congrès National d'Analyse Numérique, May 2012, Superbesse, France
Conference papers hal-00748924v1
Image document

Active Contours without Level Sets

Romain Yildizoglu , Jean-François Aujol , Nicolas Papadakis
IEEE 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

Data assimilation with state alignment using the EnKF

Alexandros Makris , Nicolas Papadakis
American Geophysical Union Fall Meeting - 2012, Dec 2012, San Francisco, United States
Conference papers hal-00748926v1

Assimilation of Images: A variational framework

François-Xavier Le Dimet , M. Yussuf Hussaini , Nicolas Papadakis , Innocent Souopgui , Arthur Vidard
ISEC - International Symposium on Earth-science Challenges, Sep 2011, Norman, Oklahoma, United States
Conference papers hal-00769825v1
Image document

Stereoscopic Image Inpainting using scene geometry

Alexandre Hervieu , Nicolas Papadakis , Aurélie Bugeau , Pau Gargallo I Piracés , Vicent Caselles
IEEE International Conference on Multimedia and Expo (ICME'11), Jul 2011, Barcelona, Spain. pp.1-6, ⟨10.1109/ICME.2011.6011901⟩
Conference papers inria-00622591v1
Image document

Coherent Background Video Inpainting through Kalman Smoothing along Trajectories

Aurélie Bugeau , Pau Gargallo I Piracés , Olivier d'Hondt , Alexandre Hervieu , Nicolas Papadakis
International 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

Polyconvexification of the multi-label optical flow problem

Nicolas Papadakis , Antonio Baeza , Pau Gargallo I Piracés , Vicent Caselles
IEEE International Conference on Image Processing (ICIP'10), Sep 2010, Hong-Kong, China. pp.765-768, ⟨10.1109/ICIP.2010.5652107⟩
Conference papers hal-00596186v1
Image document

Stereoscopic image inpainting: distinct depth maps and images inpainting

Alexandre Hervieu , Nicolas Papadakis , Aurélie Bugeau , Pau Gargallo I Piracés , Vicent Caselles
International Conference on Pattern Recognition (ICPR'10), 2010, Istanbul, Turkey. pp.4101-4104, ⟨10.1109/ICPR.2010.997⟩
Conference papers hal-00551565v1

Virtual camera synthesis for soccer game replays

Nicolas Papadakis , Antonio Baeza , Xavier Armangué , Ignasi Rius , Aurélie Bugeau
Conference on Visual Media Production (CVMP'10), Nov 2010, London, United Kingdom. pp.1-8
Conference papers hal-00655853v1
Image document

Assimilation variationnelle de données dans un système dynamique d'ordre réduit

Johan Carlier , Nicolas Papadakis , Etienne Mémin
Congrès Français de Mécanique (CFM'09), Enseignement Supérieur de Marseille et de Provence, Aug 2009, Marseille, France. pp.6
Conference papers inria-00433388v1
Image document

Assimilation variationnelle de donnée dans un système dynamique d'ordre réduit

Johan Carlier , Nicolas Papadakis , Etienne Mémin
CFM 2009 - 19ème Congrès Français de Mécanique, Aug 2009, Marseille, France. pp.1-6
Conference papers hal-03390806v1

Variational Pressure Image Assimilation for Atmospheric Motion Estimation

T. Corpetti , P. Heas , E. Memin , Nicolas Papadakis
IEEE 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

Estimation du flot optique dans les écoulements turbulents

Dominique Heitz , Patrick Héas , Johan Carlier , Thomas Corpetti , Nicolas Papadakis
Journées GDR Structure de la Turbulence et Mélange: Couplage Modèle-Données, Jan 2008, Rennes, France. pp.63
Conference papers hal-02591099v1

Estimation variationnelle et cohérente en temps de mouvements fluides

Nicolas Papadakis , Etienne Mémin
Congrès Francophone AFRIF-AFIA de Reconnaissance des Formes et Intelligence Artificielle (RFIA'08), Jan 2008, Amiens, France. pp.1-8
Conference papers hal-00655901v1

Dense estimation of motion fields on meteosat second generation images using a dynamical consistency

Thomas Corpetti , Nicolas Papadakis , Etienne Memin
IEEE International Geoscience and Remote Sensing Symposium (IGARSS'07), Jul 2007, Barcelona, Spain. pp.4749-4752, ⟨10.1109/IGARSS.2007.4423921⟩
Conference papers hal-03594602v1

Dynamically consistent optical flow estimation

Nicolas Papadakis , Thomas Corpetti , Etienne Mémin
IEEE 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

Assimilation variationelle de systèmes dynamiques d'ordre faible

Nicolas Papadakis , Etienne Mémin , Juan d'Adamo , Guillermo Artana
3ème Congrès national de mathématiques appliquées et industrielles (SMAI'07), Jun 2007, Praz sur Arly, France
Conference papers hal-00656394v1

Image assimilation for motion estimation of atmospheric layers with shallow-water model

Nicolas Papadakis , Patrick Héas , Etienne Mémin
Asian Conference on Computer Vision (ACCV'07), Nov 2007, Tokyo, Japan. pp.864-874
Conference papers hal-00596194v1

Variational optimal control technique for the tracking of deformable objects

Nicolas Papadakis , Etienne Mémin
IEEE 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

A Consistent Spatio-temporal Motion Estimator for Atmospheric Layers

Patrick Héas , Étienne Mémin , Nicolas Papadakis
International 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

A variational framework for spatio-temporal smoothing of fluid motions

Nicolas Papadakis , Etienne Mémin
International Conference on Scale Space and Variational Methods in Computer Vision (SSVM'07), May 2007, Ischia, Italy. pp.603-615
Conference papers hal-00655902v1

Comparison of MSG dense atmospheric motion vector fields produced by different methods

André Szantaï , Etienne Mémin , Anne Cuzol , Nicolas Papadakis , Patrick Héas
EUMETSAT Meteorological Satellite Conference, Sep 2007, Amsterdam, Netherlands
Conference papers hal-03594632v1

Suivi du mouvement fluide: approche stochastique et variationnelle

Nicolas Papadakis , Anne Cuzol , Etienne Mémin
Journées Activités Universitaires de Mécanique (AUM'06), Aug 2006, La Rochelle, France. pp.1-4
Conference papers hal-00655905v1

Une approche variationelle pour le suivi de contours

Nicolas Papadakis , Etienne Mémin , Frédéric Cao
Congrès Francophone AFRIF-AFIA de Reconnaissance des Formes et Intelligence Artificielle (RFIA'08), Jan 2006, Tours, France. pp.1-8
Conference papers hal-00656390v1

Dense estimation of layer motions in the atmosphere

Patrick Héas , Etienne Mémin , Nicolas Papadakis
International Conference on Pattern Recognition (ICPR'06), Aug 2006, Hong Kong, China. pp.1-4
Conference papers hal-00655854v1
Image document

A variational approach for object contour tracking

Nicolas Papadakis , Etienne Mémin , Frederic Cao
ICCV Workshop on Variational, Geometric and Level Set Methods in Computer Vision (VLSM'05), Oct 2005, Beijing, China. pp.259-270
Conference papers hal-00655852v1
Image document

Assimilation de données images : application au suivi de courbes et de champs de vecteurs

Nicolas Papadakis
Traitement du signal et de l'image [eess.SP]. Université Rennes 1; PhD thesis, 2007. Français. ⟨NNT : ⟩
Theses tel-00655898v1
Image document

Optimal Transport for Image Processing

Nicolas Papadakis
Signal and Image Processing. Université de Bordeaux; Habilitation thesis, 2015
Habilitation à diriger des recherches tel-01246096v8

Scale Space and Variational Methods in Computer Vision

Jean-François Aujol , Mila Nikolova , Nicolas Papadakis
5th 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