• image analysis, modeling, and processing
• image restoration
• image sampling, image quality
• sub-pixel imaging
• texture analysis
• a-contrario detection of structures in images
• mathematical formalization of visual perception

• probabilities, statistical inference, decision theory
• stochastic processes, Monte-Carlo Markov Chains
• variational models
• optimization and numerical analysis
• partial differential equations

2012




• ``A Compact Representation of Random Phase and Gaussian Textures'' (with Agnès Desolneux and Samuel Ronsin), preprint MAP5 nº2011-35, to appear in the proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2012).
  download:
  
  
• ``An explicit Sharpness Index related to Global Phase Coherence'' (with Gwendoline Blanchet), preprint MAP5 nº2011-33, to appear in the proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2012).
  download:
  
  
  

  2011

  
  
  
• ``Vers un texton pour les micro-textures'' (in french, with Agnès Desolneux and Samuel Ronsin), preprint MAP5 nº2011-24.
  download:
  
  
• ``Total Variation as a local filter'' (with Cécile Louchet), SIAM Journal on Imaging Sciences, vol 4:2, pp. 651-694, 2011.
  download: published version     web page with examples (DOI: 10.1137/100785855)
  
  
• ``Periodic plus smooth image decomposition'', Journal of Mathematical Imaging and Vision, vol 39:2, pp. 161-179, 2011.
  download: published version (with a minor erratum here) / revised preprint   web page with source code (DOI: 10.1007/s10851-010-0227-1)
  
  
  

  2010

  
  
  
• ``Review of low-baseline stereo algorithms and benchmarks'' (with Neus Sabater, Gwendoline Blanchet, Andrés Almansa and Jean-Michel Morel), proceedings of SPIE, vol. 7830 (Image and Signal Processing for Remote Sensing XVI), 2010.
  download: published version (DOI: 10.1117/12.865087)
  
  
• ``An aliasing detection algorithm based on suspicious colocalizations of Fourier coefficients'' (with Baptiste Coulange), proceedings of the International Conference on Image Processing, pp. 2013-2016, 2010.
  download: published version / (revised preprint) (DOI: 10.1109/ICIP.2010.5651195)
  
  
• ``MAC-RANSAC: a robust algorithm for the recognition of multiple objects'' (with Julien Rabin, Julie Delon and Yann Gousseau), proceedings of 3DPTV'2010, 2010.
  download: (final version)   conference web page
  
  
• ``MAC-RANSAC : reconnaissance automatique d'objets multiples'' (in french, with Julien Rabin, Julie Delon and Yann Gousseau), actes du congrès Reconnaissance des Formes et Intelligence Artificielle (RFIA), 2010.
  download:
  
  
• ``Automatic detection of well sampled images via a new ringing measure'' (with Gwendoline Blanchet and Bernard Rougé), proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 1030-1033, 2010 (this is a revised version of the MAP5 preprint 2009-10 entitled ``A-contrario Ringing Detection and Shannon-Compliant Images'')
  download: published version / revised preprint (DOI: 10.1109/ICASSP.2010.5495324)
  
  
• ``An a-contrario approach for sub-pixel change detection in satellite imagery'' (with Amandine Robin and Sylvie Le Hégarat-Mascle), IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 32:11, pp. 1977-1993, 2010.
  download: published version / preprint (DOI: 10.1109/TPAMI.2010.37)
  
  
  

  2009

  
  
  
• ``Débruitage Bayésien par Variation Totale'' (with Cécile Louchet), actes du colloque ``Méthodes mathématiques pour l'Image'', presses Universitaires d'Orléans pp. 83-102, 2009.
  
  
• ``A-contrario detectability of spots in textured backgrounds'' (with Bénédicte Grosjean), Journal of Mathematical Imaging and Vision, vol 33:3, pp. 313-337, 2009.
  download: published version / revised preprint (DOI: 10.1007/s10851-008-0111-4)
  
  
  

  2008

  
  
  
• ``Measuring the global phase coherence of an image'' (with Gwendoline Blanchet and Bernard Rougé), proceedings of the International Conference on Image Processing, pp. 1176-1179, 2008 (winner of the DoCoMo USA Labs Innovative Paper Awards at ICIP'08).
  download: published version / revised preprint (DOI: 10.1109/ICIP.2008.4711970)
  
  
• ``Total Variation denoising using posterior expectation'' (with Cécile Louchet), proceedings of the European Signal Processing Conference (Eusipco), 2008 (best student paper award for Cécile Louchet at EUSIPCO 2008).
  download: published version / revised preprint
  
  
• From Gestalt Theory to Image Analysis. A Probabilistic Approach (with Agnès Desolneux and Jean-Michel Morel), Springer-Verlag, collection ``Interdisciplinary Applied Mathematics'', vol. #34, 275 pages, 2008. (DOI: 10.1007/978-0-387-74378-3)
  
  
• ``Tracking of Cells in a Sequence of Images Using a Low-Dimension Image Representation'' (with Maël Primet, Alice Demarez, François Taddei, and Ariel B. Lindner), proceedings of IEEE International Symposium on Biomedical Imaging (ISBI'08), pp. 995-998, 2008.
  download: published version / preprint (DOI: 10.1109/ISBI.2008.4541166)
  
  
• ``Unsupervised sub-pixelic classification using coarse resolution time series and structural information'' (with Sylvie Le Hégarat-Mascle and Amandine Robin), IEEE Transactions on Geosciences and Remote Sensing 46:5 (special issue on Data fusion), pp. 1359-1374, 2008.
  download: published version / preprint (DOI: 10.1109/TGRS.2008.916477)
  
  
  

  2007

  
  
  
• ``How to discretize the Total Variation of an image?'', proceedings of ICIAM'07, Proc. Appl. Math. Mech. 7:1, pp. 1041907-1041908, 2007.
  download: published version (DOI: 10.1002/pamm.200700424)
  
  
• ``An unsupervised approach for subpixelic land-cover change detection'' (with Sylvie Le Hégarat-Mascle and Amandine Robin), proceedings of the International Workshop on the Analysis of Multi-temporal Remote Sensing Images (MultiTemp'07), pp. 1-6, 2007.
  download: published version / preprint (DOI: 10.1109/MULTITEMP.2007.4293061)
  
  
  

  2005

  
  
  
• ``A linear prefilter for image sampling with ringing artifact control'' (with Gwendoline Blanchet and Bernard Rougé), proceedings of the International Conference on Image Processing, vol. 3, pp. 577-580, 2005.
  download:     bibtex entry
  
  
• ``A multiscale multitemporal land cover classification method using a Bayesian approach'' (with Sylvie Le Hégarat-Mascle and Amandine Robin), proceedings of SPIE Remote Sensing (Bruges), vol. 5982, pp. 598204.1-598204.12, 2005.
  download:
  
  
• ``Approche a contrario pour la détection de changements à partir d'images satellite basse résolution'' (with Sylvie Le Hégarat-Mascle and Amandine Robin), actes du GRETSI (Louvain-la-Neuve), 2005.
  download:
  
  
• ``Land cover classification from coarse resolution time series'' (with Sylvie Le Hégarat-Mascle, Hervé Poilvé and Amandine Robin), proceedings of the 31st International Symposium on Remote Sensing of Environment (St Petersbourg), 2005.
  download:
  
  
• ``Shape Smoothing and PDE's'' (with Frédéric Guichard and Jean-Michel Morel), book chapter in Handbook of Image and Video Processing, Al Bovik ed., pp. 573-586, 2005.
  
  
  

  2004

  
  
  
• ``A probabilistic criterion to detect rigid point matches between two images and estimate the fundamental matrix'' (with Bérenger Stival) , International Journal of Computer Vision, vol. 57:3, pp. 201-218, 2004.
  download: (preprint)      abstract   bibtex entry   web page with source code
  
  
• ``Les mathématiques de l'image numérique'', Dossiers de l'ingénierie éducative : Les images numériques, Centre National de Documentation Pédagogique (CNDP), no. 47-48, juin-octobre 2004.
  download: (pre-version)    (final version with poor quality images)
  
  
• ``Gestalt Theory and Computer Vision'' (with Agnès Desolneux and Jean-Michel Morel) , book chapter in Seeing, Thinking and Knowing, A. Carseti ed., pp. 71-101, Kluwer, 2004 (Abstract, PostScript of preprint, PDF of preprint).
  
  
  

  2003

  
  
  
• ``Computational Gestalts and Perception Thresholds'' (with Agnès Desolneux and Jean-Michel Morel), Journal of Physiology, Paris, vol. 97:2-3, special issue on neurogeometry and visual perception, pp. 311-324, 2003 (Abstract, HTML, PDF).
  
  
• ``On the Theory of Planar Shape'' (with Jose-Luis Lisani, Pascal Monasse and Jean-Michel Morel), SIAM Journal on Multiscale Modeling and Simulation, vol. 1, no. 1, pp. 1-24, 2003 (PostScript, PDF).
  
  
• ``Modèles continus, numériques et statistiques pour l'analyse d'images'', mémoire d'Habilitation à diriger des Recherches, Université Paris 11, 2003.
  
  
• ``Variational Snake Theory'' (with Agnès Desolneux and Jean-Michel Morel) , book chapter in Geometric Level Set Methods in Imaging, Vision and Graphics, S. Osher and N. Paragios eds, Springer Verlag, pp. 79-99, 2003 (Abstract, PostScript of preprint, PDF of preprint).
  
  
• ``A Grouping Principle and Four Applications'' (with Agnès Desolneux and Jean-Michel Morel) , IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 25, no. 4, 2003 (earlier version as a preprint CMLA Nº 2001-22 under the name ``Partial Gestalts'' Abstract, PostScript of preprint, PDF of preprint).
  
  
• ``Maximal Meaningful Events and Applications to Image Analysis'' (with Agnès Desolneux and Jean-Michel Morel), Annals of Statistics, vol. 31:6, pp. 1822-1851, 2003 (Abstract, PostScript of preprint, PDF of preprint).
  
  
  

  2002

  
  
  
• ``Automatic detection of rigid point matches'' (with Bérenger Stival), proceeding of the IEEE workshop on Motion and Video Computing, Orlando, pp. 235-240, 2002.
  
  
• ``A review of P.D.E. models in image processing and image analysis'', (with Frédéric Guichard and Jean-Michel Morel), Journal de Physique IV, vol. 12, pp. 137-154, 2002 (Abstract, PostScript of preprint, PDF of preprint).
  
  
• ``Dequantizing image orientation'' (with Agnès Desolneux, Said Ladjal and Jean-Michel Morel) , IEEE Transactions on Image Processing, vol. 11:10, pp. 1129-1140, 2002 (Abstract, PostScript, PDF).
  
  
  

  2001

  
  
  
• ``Automatic image analysis: a challenge for computer vision'' (with Agnès Desolneux and Jean-Michel Morel), actes du GRETSI, 2001 (PDF).
  
  
• ``Extrapolation de Spectre et Variation Totale Pondérée'', actes du GRETSI, 2001 (PDF, PostScript, PDF).
  
  
• ``Les défauts du DVD sous l'oeil de l'équation'' (with Jean-Michel Morel), La Recherche, mai 2001.
  
  
• ``Edge Detection by Helmholtz Principle'' (with Agnès Desolneux and Jean-Michel Morel), Journal of Mathematical Imaging and Vision, vol 14:3, pp 271-284, 2001 (PostScript, PDF).
  
  
• ``Geometric Computation of Curvature Driven Plane Curve Evolutions'' (with Frédéric Cao) , SIAM Journal on Numerical Analysis, vol. 39:2, pp. 624-646, 2001 (Abstract, PostScript of preprint, PDF of preprint).
  
  
  

  2000

  
  
  
• ``Shape Recognition Algorithm Robust under Partial Occlusions and Affine Deformations'' (with José-Luis Lisani, Pascal Monasse and Jean-Michel Morel), Proceedings of AMDO'2000 (Palma de Mallorca, Spain), Lecture Notes in Computer Science 1899, Springer, 2000.
  
  
• ``A stable numerical algorithm for generalized curve shortening flow'' (with Frédéric Cao), in Free Boundary Problems: Theory and Applications, Gatuko International Series, Mathematical Sciences and Applications 14, pp. 61-76, 2000.
  
  
• Petits problèmes de mathématiques appliquées et de modélisation (with Brigitte Bidégaray), Springer, 2000, 145 p.
  
  
• ``Affine Invariant Mathematical Morphology Applied to a Generic Shape Recognition Algorithm'' (with José-Luis Lisani, Pascal Monasse and Jean-Michel Morel), Proceedings of the International Symposium on Mathematical Morphology (ISSM'2000, Palo Alto), 2000 (Abstract, PostScript of preprint, PDF of preprint).
  
  
• ``Meaningful Alignments'' (with Agnès Desolneux and Jean-Michel Morel), International Journal of Computer Vision, vol. 40:1, pp. 7-23, 2000 (PostScript, PDF).
  
  
  

  1999

  
  
  
• ``Geometric Multiscale Representation of Numerical Images'' (with Georges Koepfler), Proceedings of the Second International Conference on Scale-Space Theories in Computer Vision, Corfu, Greece, in Springer Lecture Notes in Computer Science, vol. 1682, pp. 339-350, 1999 (Abstract , PostScript, PDF).
  
  
  

  1998

  
  
  
• ``A Depth-Compatible Multiscale Analysis of Movies'', preprint CMLA Nš 9803 (Abstract , PostScript, PDF of preprint).
  
  
• ``PDE's, motion analysis, and 3D reconstruction from movies'', Proceedings of PDE Prague'98, in Partial Differential Equations - Theory and numerical solution, Chapman & Hall/CRC Research Notes in Mathematics, vol. 406, pp. 273-282, 1998 (PostScript, PDF).
  
  
• ``Affine Plane Curve Evolution: a Fully Consistent Scheme'', IEEE Transactions On Image Processing, vol. 7:3, pp. 411-420, 1998 (PostScript, PDF).
  
  
  

  1997

  
  
  
• ``Traitement numérique d'images et de films : équations aux dérivées partielles préservant forme et relief'', PhD dissertation, Ceremade, Paris-Dauphine University, 1997 (more information here)
  
  
  

  1995

  
  
  
• ``Traitement d'images'', Pour La Science, février 1995.
  
  
• ``Multiscale Analysis of Movies for Depth Recovery'', International Conference on Image Processing (ICIP'95, Washington), vol. 3, pp. 25-28, 1995.
  
  
• ``Perspective invariant multiscale analysis of movies'', International Symposium on Optical Science Engineering (SPIE'95, San Diego), vol. 2567, pp. 84-94, 1995 (PostScript, PDF).
  
  
• ``Analyse Multiéchelle de films pour la reconstruction du relief'', note au Compte rendu de l'Académie des Sciences, Paris, tome 320, série I, pp. 279-284, février 1995 (PostScript, PDF).

I am in charge of the scientific library of the MEGAWAVE software.

• ``Method and system for producing formatted data related to defects of at least an appliance of a set, in particular, related to blurring'' (inventors: Laurent Chanas, Frédéric Guichard, Lionel Moisan, Bruno Liège), patent PCT WO 03/007242-A2, january 2003.
  
  
• ``Method and system for modifying a digital image taking into account its noise'' (inventors: Laurent Chanas, Frédéric Guichard, Lionel Moisan, Bruno Liège), patent PCT WO 03/007243-A2, january 2003.