Research

Research topics:

Publications

"Patch Redundancy in Images: a Statistical Testing Framework and some Applications"
(Valentin de Bortoli, Agnès Desolneux, Bruno Galerne, Arthur Leclaire),
accepted to the SIAM Journal on Imaging Sciences, 2019. Preprint, Hal.

"Redundancy in Gaussian Random Fields"
(Valentin de Bortoli, Agnès Desolneux, Bruno Galerne, Arthur Leclaire), 2019. Preprint, Hal

"A Fast Multi-Layer Approximation to Semi-Discrete Optimal Transport"
(Arthur Leclaire, Julien Rabin), accepted to the seventh International Conference on Scale Space and Variational Methods in Computer Vision (SSVM), 2019. Hal preprint. Webpage. Slides.

"Macrocanonical Models for Texture Synthesis"
(Valentin de Bortoli, Agnès Desolneux, Bruno Galerne, Arthur Leclaire), accepted to the seventh International Conference on Scale Space and Variational Methods in Computer Vision (SSVM), 2019.

"A Texture Synthesis Model Based on Semi-discrete Optimal Transport in Patch Space"
(Bruno Galerne, Arthur Leclaire, Julien Rabin),
SIAM Journal on Imaging Sciences, vol. 11, no. 4, pp. 2456-2493, 2018.
Hal preprint. doi. Webpage.

"Stochastic Image Models from SIFT-like descriptors"
(Agnès Desolneux, Arthur Leclaire),
SIAM Journal on Imaging Sciences, vol. 11, no. 4, pp. 2305-2338, 2018.
Revised Preprint. Hal. doi. Webpage.

"Semi-Discrete Optimal Transport in Patch Space for Enriching Gaussian Textures"
(Bruno Galerne, Arthur Leclaire, Julien Rabin), Geometric Science of Information (GSI), 2017.
Revised Preprint. Talk. Hal. Webpage.

"Stochastic Image Reconstruction from Local Histograms of Gradient Orientation"
(Agnès Desolneux, Arthur Leclaire), Proceedings of the sixth International Conference on Scale Space and Variational Methods in Computer Vision (SSVM), Lecture Notes in Computer Science, vol. 10302, pp. 133-145, 2017.
Revised Preprint. Webpage.

"Texture Inpainting Using Efficient Gaussian Conditional Simulation" (Bruno Galerne, Arthur Leclaire), SIAM Journal of Imaging Sciences, vol. 10, no. 3, pp. 1446–1474, 2017.
Published version. Hal. doi. Webpage. Online demo.

"An Algorithm for Gaussian Texture Inpainting" (Bruno Galerne, Arthur Leclaire),
Image Processing Online, vol. 7, pp. 262--277, 2017.
Revised preprint. Webpage. doi. Online demo.

"Texton Noise" (Bruno Galerne, Arthur Leclaire, Lionel Moisan),
Computer Graphics Forum, vol. 36, no. 12, 2017.
Hal. Research Gate. Webpage.

"Microtexture Inpainting through Gaussian Conditional Simulation"
(Bruno Galerne, Arthur Leclaire, Lionel Moisan),
Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, 2016.
Revised Preprint. Hal. Slides. Webpage.

"No-reference image quality assessment and blind deblurring with sharpness metrics exploiting Fourier phase information" (Arthur Leclaire, Lionel Moisan),
Journal of Mathematical Imaging and Vision, vol. 52, no. 1, pp. 145--172, 2015.
Revised Preprint. Webpage.

"A Texton for Fast and Flexible Gaussian Texture Synthesis"
(Bruno Galerne, Arthur Leclaire, Lionel Moisan),
Proceedings of the European Signal Processing Conference (Eusipco), pp. 1686-1690, 2014.
Revised Preprint. Published Version. Hal. Webpage. Poster.

"Une Variante non Périodique du Sharpness Index"
(Arthur Leclaire, Lionel Moisan), Actes du GRETSI, 2013.
Poster.

"Blind Deblurring Using a Simplified Sharpness Index" (Arthur Leclaire, Lionel Moisan),
Proceedings of the fourth International Conference on Scale Space and Variational Methods in Computer Vision (SSVM), Lecture Notes in Computer Science, vol. 7893, pp. 86-97, 2013.
Revised Preprint. Slides. Webpage.

"An implementation and detailed analysis of the K-SVD image denoising algorithm"
(Marc Lebrun, Arthur Leclaire), Image Processing On Line, vol. 2, pp. 96--133, 2012 .
Webpage. doi. Online demo.

"Convergence arbitrairement lente dans le lemme de Riemann-Lebesgue" (Arthur Leclaire), Revue de Mathématiques Spéciales, 118(3), 2007-2008.

PhD Thesis

"Random Phase Fields and Gaussian Fields for Image Sharpness Assessment and Fast Texture Synthesis". Written under the supervision of Lionel Moisan and Bruno Galerne.
Defended on 26 June 2015 at Université Paris Descartes. Dissertation.

Software and Tutorials

Texture Synthesis with Patch Optimal Transport

Reconstruction from SIFT descriptors

Texton Noise

Microtexture Inpainting through Gaussian Conditional Simulation

Fast and Flexible Gaussian Texture Synthesis with the Synthesis-Oriented Texton

Phases Coherence Indices, Sharpness, and Blind Deblurring

An implementation and detailed analysis of the K-SVD image denoising algorithm

Students

Valentin de Bortoli, PhD candidate (2017-...), co-advised with Agnès Desolneux and Bruno Galerne

Talks

9 July 2019. GdR ISIS Meeting "Transport optimal en apprentissage statistique et traitement du signal", Paris.
A Multi-layer Approximation of Semi-Discrete Optimal Transport

3 July 2019. SSVM 2019. Hofgeismar, Germany.
     A Multi-layer Approximation of Semi-Discrete Optimal Transport (Slides)

21 March 2019. Université de Poitiers, Colloquium du Printemps de la Recherche.
     Random Models for Texture Synthesis

14 March 2019. Institut Henri Poincaré, Workshop Statistical Modeling for Shapes and Imaging.
     Maximum Entropy Models for Texture Synthesis (Slides)

29 January 2019. Soirée classe prépa à l'IMB.
     Du Traitement d'Images avec une Pelle et un Seau (Slides)

25 October 2018. IMB Welcome Party.
     Texture Synthesis with Optimal Transport

27 September 2018. Séminaire Image, Optimisation, Probabilité, Institut Math. de Bordeaux.
     Maximum Entropy Models for Image Synthesis and Image Reconstruction

6 June 2018. SIAM Imaging Science 2018, Bologna, Italy.
     Mini-symposium Optimal transport and patch based methods for color image editing
     Semi-discrete Optimal Transport in Patch Space for Enriching Gaussian Textures

11 January 2018. Imaging in Paris, Institut Henri Poincaré.
     Semi-discrete optimal transport in patch space for structured texture synthesis

10 January 2018. GTTI, ENS Cachan.
     Semi-discrete optimal transport in patch space for structured texture synthesis

7 December 2017. Séminaire Image, Optimisation, Probabilité, Institut Math. de Bordeaux.
     Modè stochastiques pour la synthèse de textures et l'inpainting

9 November 2017. Geometric Science of Information. Mines Paristech.
     Semi-discrete optimal transport in patch space for enriching Gaussian textures

19 June 2017. Journée MIRES Textures, Espace Mendès France, Poitiers.
     Gaussian models for texture synthesis and inpainting

31 May 2017. GTTI, ENS Cachan.
     Semi-discrete optimal transport in patch space for enriching Gaussian textures

5 May 2017. GT Traitement d'images, Université Paris Descartes
     Texture synthesis with FRAME Models using neural networks filters

28 February 2017. Working group on Neural Networks, Télécom ParisTech
     Texture synthesis with FRAME Models using neural networks filters

6 February 2017. GTTI, ENS Cachan
     Texture synthesis with FRAME Models using neural networks filters

24 January 2017. Séminaire d'analyse harmonique, Université d'Orsay
     Modèles variationnels et stochastiques pour la complétion d'images

26 October 2016. GTTI, ENS Cachan
     An Algorithm for Gaussian Texture Inpainting

15 July 2016. Summer School on Calculus of Variations, Optimal Transportation, and Geometric Measure Theory: from Theory to Applications, Université de Lyon
     Gaussian Texture Inpainting

21 April 2016. Groupe de travail du MAPMO, Université d'Orléns
     Modèles Spot Noise pour la Synthèse Rapide de Microtextures par l'Exemple et la Complétion d'Images

24 March 2016. ICASSP'16, Shanghai, China
     Microtexture Inpainting through Gaussian Conditional Simulation (Slides).

16 March 2016. GTTI, ENS Cachan
     Microtexture Inpainting through Gaussian Conditional Simulation

1 December 2015. Cambridge Image Analysis Group. University of Cambridge
     Gaussian Models for Fast Synthesis and Inpainting of Microtextures

9 October 2015. Journée de rentrée du MAP5, Université Paris Descartes
     Modèles de Textures pour la Synthèse Rapide et la Désocclusion

2 October 2015. Séminaire Signal-Apprentissage, Université Aix-Marseille
     Modèles Spot Noise pour la Synthèse Rapide de Microtextures par l'Exemple et la Désocclusion

7 May 2015. SMATI, Télécom-ParisTech
     A Texton for Fast and Flexible Gaussian Texture Synthesis (Slides).

15 April 2015. GTTI, ENS Cachan
     A Texton for Fast and Flexible Gaussian Texture Synthesis

25 September 2014. Demi-journée de rentrée des doctorants, Université Paris Descartes
     A Texton for Spot-Noise Synthesis of Gaussian Textures.

10 April 2014. GTTJD, Université Paris Descartes
     A Texton for Spot-Noise Synthesis of Gaussian Textures.

3 June 2013. SSVM'13, Schloss Seggau, Austria.
     Blind Deblurring Using a Simplified Sharpness Index (Slides, Webpage).

7 May 2013. GTTJD, Université Paris Descartes
     Coupling from the past (Slides).

2 May 2013. Séminaire des Thésards de l'IMJ
     Bruits à phases aléatoires et indices de qualité image.

7 February 2013. 36è journée ISS, Ecole des Mines de Paris
     Caractérisation de la netteté d'une image (Résumé).

12 October 2012. GdT MATAIM, Université Paris Descartes
     Des mesures explicites de la cohérence de phase.

20 September 2012. GdR ISIS, Télécom-Paristech
     Indices de netteté netteté par mesure de cohérence de phase.

9 May 2012. Rénion du groupe de travail MISS, ENS Cachan
     Des mesures explicites de la netteté d'une image.

24 October 2011. GTTJD, Université Paris Descartes
     Introduction à la cohérence de phase.