Homepage -- Jean-Francois Giovannelli

Jean-François Giovannnelli ( [Face] [Profil] [Caribou] [Space] [Clever] [Nice] )

Groupe Signal et Image - IMS
Batiment A4 - 6ième étage - Bureau 625
351 Cours de la Libération
33405 Talence Cédex

Tél. : 33 [0]5-40-00-31-76 - Fax : 33 [0]5-40-00-66-44
E-mail : Giova [at] IMS-Bordeaux [dot] fr

Deux sujets de Stage :

[PDF] Mélange de populations: apprentissage, classification, sélection d'ordre
[PDF] Imagerie SAR-3D à données incomplètes en mode polarisé: reconstruction d'image, régularisation, pénalisation, parcimonie

Un sujet de Post-Doc :

[PDF] Approche bayésienne hiérarchique pour la découverte de biomarqueur en protéomique

Un sujet de Thèse :

[LINK] Etude statistique des variablilités biologiques et technologiques en protéomique à grande échelle

Short Curriculum Vitae

Personal

Name : Jean-François Giovannelli
Place and date of birth : Béziers, France, in 1966 or 1976 (I do not remember)

Degrees

Habilitation à Diriger des Recherches, Signal Processing, Laboratoire des Signaux et Systèmes (L2S), Université Paris-Sud (UPS), Orsay, France, in 2005. Dissertation title "Inversion et régularisation" [PDF]
Ph.D. Thesis, Signal Processing, Laboratoire des Signaux et Systèmes (L2S), Université Paris-Sud (UPS), Orsay, France, in 1995. Dissertation title "Caractérisation spectrale en temps court. Application à l'échographie Doppler.'' ("Short time spectral characterization. Application to Doppler velocimetry.")
Graduated from the École Nationale Supérieure de l'Électronique et de ses Applications (ENSEA) in 1990.

Positions

Professor with Université de Bordeaux 1, Signal and image processing, UFR de Physique
Previously : assistant professor (Maître de Conférences), Signal and image processing, Département de Physique at UPS.
Temporary position (sabbatic): associate researcher

October-December 2006: ENST, STA
January-March 2006: LIF Unité INSERM 678

Teaching

Basics in signal and image modeling and processing (deterministic): Fourier, Laplace, and Z-transforms, convolution, 1D and 2D, contionuous-time and discrete time,...
Basics in signal and image modeling and processing (stochastic): second order anaylsis, correlation, stationarity, power spectral density and also Gaussian fields, Potts field,...
Bayesian statistics in signal and image: likelihood, prior, posterior, cost and risk, MMSE and properties, Fisher information,...
Inverse problems, regularization: quadratic penalties (Wiener, Hunt), convex penalty, unsupervised problems and hyperparameter estimation, myopic and semi-blind problems, Bayesian approaches, stochastic sampling,...

                And also : New master in Signal and image processing

                Et une publicité : Signaux aléatoire -- CNAM NST207

    Research, Groupe Signal-Image, IMS

Regularization and Bayesian methods for inverse problems in signal and image processing.
Full Bayesian, hierarchical approach, stochastic sampling, MCMC,...
Model selection and comparison
Sorry : no-wavelet-ridgelet-curvelet, fuzzyfree approaches, no-PDE methods for image processing,...
Spectral characterization : spectral analysis, time frequency, frequency tracking, inverse aliasing, Fourier synthesis, deconvolution.
Deconvolution, unsupervised and myopic (semi-blind) problems.
Application fields: medical imaging (Doppler, MRI), astrophysics, proteomics, radars, texture...

Teaching and Research: activity report

About inverse problems

Des séminaires : Séminaires en problèmes inverses IMS - IMB - LaBRI

Une école d'été : la quatrième en traitement des signaux et des images à Peyresq

Problèmes inverses en traitement des signaux et des images

Problèmes inverses en traitement des signaux et des images (deuxième édition)

Des journées du GdR-ISIS : Three meetings and thirty talks links to the slides

List of journal papers (full list, papers, conferences, book chapters,...)

F. Orieux, O. Féron and J.-F. Giovannelli, "Sampling high-dimensional Gaussian distributions for general linear inverse problems", to appear in Signal Processing Letters.
[PDF] F. Orieux, J.-F. Giovannelli, T. Rodet, H. Ayasso and A. Abergel, "Super-resolution in map-making based on a physical instrument model and regularized inversion. Application to SPIRE/Herschel", to appear in Astronomy and astrophysics.
A. Hazart, J.-F. Giovannelli, S. Dubost, and L. Chatellier, "Inverse transport for point-like source estimation with a Bayesian parametric method coupled with MCMC algorithm", in revision for Signal Processing.
[PDF] F. Orieux, J.-F. Giovannelli and T. Rodet, "Bayesian estimation of regularization and PSF parameters for Wiener-Hunt deconvolution", JOSA-A, vol. 7, no. 27, pp. 1593-1607, July 2010.
[PDF] E. Thiébaut and J.-F. Giovannelli, "Image Reconstruction in Optical Interferometry", IEEE Signal Processing Magazine, vol. 27, no. 1, pp. 97-109, January 2010.
[PDF] T. Rodet, F. Orieux, J.-F. Giovannelli, and A. Abergel, "Data Inversion for Over-Resolved Spectral Imaging in Astronomy", IEEE Journal of Selected Topics in Signal Processing, vol. 2, no. 5, pp. 802-811, October 2008.
[PDF] J.-F. Giovannelli, "Unsupervised Bayesian convex deconvolution based on a field with an explicit partition function", IEEE Trans. Image Processing, vol. 17, no. 1, pp. 16-23, January 2008.
[PDF] G. Rochefort, F. Champagnat, G. Le Besnerais and J.-F. Giovannelli, "An Improved Observation Model for Super-Resolution under Affine Motion", IEEE Trans. Image Processing, vol. 15, no. 11, pp. 3325-3337, November, 2006.
[PDF] R. Boubertakh, J.-F. Giovannelli, A. Herment and A. De Cesare, "Non-quadratic convex regularized reconstruction of MR images from spiral acquisitions", Signal Processing, vol. 86, pp. 2479-2494, 2006.
[PDF] J.-F. Giovannelli and A. Coulais, "Positive deconvolution for superimposed extended sources and point sources", Astronomy and astrophysics, vol. 439, pp. 401-412, 2005. (See Matlab Code below).
[PDF] V. Samson, F. Champagnat and J.-F. Giovannelli, "Detection of Point Objects with Random Subpixel Location and Unknown Amplitude", Applied optics, Special Issue on Image processing for EO sensors, vol. 43, no.2, pp. 257-263, January 2004.
[PDF] J.-F. Giovannelli , J. Idier, R. Boubertakh, and A. Herment, "Unsupervised Frequency Tracking beyond the Nyquist Limit using Markov Chains", IEEE Trans. Signal Processing, vol. 50, no. 12, pp. 2905-2914, December, 2002.
C. Berthomier, A. Herment, J.-F. Giovannelli, G. Guidi, L. Pourcelot, and B.Diebold, "Multigate Doppler Signal Analysis using 3-D Regularized Long AR Modeling", Ultrasound in Medicine and Biology, vol. 27, no. 11, pp. 1515-1523, 2001.
[PDF] A. Mohammad-Djafari, J.-F. Giovannelli, G. Demoment, and J. Idier, "Regularization, Maximum Entropy and Probabilistic Methods in Mass Spectrometry Data Processing Problems", Int. Journal of Mass Spectrometry, vol. 215, no. 1-3, pp. 175-193, April 2002.
[PDF] J.-F. Giovannelli, J. Idier, G. Desodt, and D. Muller, "Regularized adaptive long autoregressive spectral analysis", IEEE Trans. Geosci. Remote Sensing, vol. 39, no. 10, pp. 2194-2202, October 2001.
[PDF] P. Ciuciu, J. Idier, and J.-F. Giovannelli, "Regularized estimation of mixed spectra using a circular Gibbs-Markov model", IEEE Trans. Signal Processing, vol. 49, no. 10, pp. 2201-2213, October 2001.
[PDF] J.-F. Giovannelli and J. Idier, "Bayesian interpretation of periodograms", IEEE Trans. Signal Processing, vol. 49, no. 7, pp. 1988-1996, July 2001.
[PDF] J. Idier and J.-F. Giovannelli, "Structural stability of least squares prediction methods", IEEE Trans. Signal Processing, vol. 46, no. 11, pp. 3109-3111, November 1998.
[PDF] A. Herment, J.-F. Giovannelli, G. Demoment, B. Diebold, and A. Delouche, "Improved characterization of non stationary flows using a regularized spectral analysis of ultrasound Doppler signals", Journal de Physique III, vol. 7, no. 10, pp. 2079-2102, October 1997.
[PDF] J.-F. Giovannelli, G. Demoment, and A. Herment, "A Bayesian method for long AR spectral estimation: a comparative study", IEEE Trans. Ultrasonics Ferroelectrics Frequency Control, vol. 43, no. 2, pp. 220-233, March 1996.
A. Herment and J.-F. Giovannelli, "An adaptive approach to computing the spectrum and mean frequency of Doppler signals", Ultrasonic Imaging, vol. 27, pp. 1-26, 1995.

"© 1996, 1998, 2001, 2002,2006, 2007,2008, 2010, 2011 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for sale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE."

Book chapters

G. Le Besnerais, J.-F. Giovannelli, and G. Demoment, "Inverse Filtering and Other Linear Methods", ch. 4, pp.80-116 in Bayesian Approach to Inverse Problems, ISTE Ltd and John Wiley & Sons Inc, 2008, J. Idier, editor.
J.-F. Giovannelli , and A. Herment, "Spectral Characterization in Ultrasonic Doppler Velocimetry", ch. 11, pp.271-295 in Bayesian Approach to Inverse Problems, ISTE Ltd and John Wiley & Sons Inc, 2008, J. Idier, editor.
G. Le Besnerais, J.-F. Giovannelli, and G. Demoment, "Filtrage inverse et méthodes linéaires en déconvolution", ch. 4, pp.81-114 in Approche bayésienne pour les problèmes inverses, Traité IC2, Série traitement du signal et de l'image, Hermès, 2001, J. Idier, editor.
J.-F. Giovannelli , and A. Herment, "Caractérisation spectrale en vélocimétrie Doppler ultrasonore", ch. 11, pp.271-295 in Approche bayésienne pour les problèmes inverses , Traité IC2, Série traitement du signal et de l'image, Hermès, 2001, J. Idier, editor.
G. Demoment, J. Idier, J.-F. Giovannelli, A. Mohammad-Djafari, "Problèmes inverses en traitement du signal et de l'image", Techniques de l'Ingénieur, Traité Télécoms , vol. TE 5235, pp.1-25, 2001.

Habilitation

[PDF] J.-F. Giovannelli, "Inversion et régularisation", Habilitation à Diriger des Recherches, Université Paris Sud, 12 décembre 2005.

Un logiciel déposé et un bervet

P. Szacherski, P. Grangeat et J.-F. Giovannelli, "Procédé et dispositif d'estimation de paramètres biologiques ou chimiques dans un échantillon, procédé d'aide au diagnostic correspondantdé", (déposé) avril 2011, N° 11-53008, CEA/CNRS
G. Strubel, J.-F. Giovannelli, et P. Grangeat, "Procédé d'estimation de concentrations de molécules dans un relevé d'échantillon et appareillage", août 2007, Brevet français étendu aux Etats-unis (d'Amérique), N° 07-57-131, CEA/CNRS
S. Brette, H. Carfantan, J.-F. Giovannelli, T. Martin, J.-F. Bercher, C. Heinrich, J. Idier et C. Soussen, "Gradient à Pas Adaptatif avec Corrections, une mise en oeuvre Matlab : GPAC.m", déclaration d'invention N° DI-0258-01, Logibox APP N° 21961, IDDN.FR.001.070033.000.S.P.2006.000.10800, 16 février 2006. [PDF DocCourte] [PDF DocLongue]

Un logiciel libre

Matlab Code (IDL Code coming soon or never) for deconvolution (see Astronomy and astrophysics paper above) [Download]

Supervised theses

Cornelia Vacar, 2010-, Bayesian approach for texture deconvolution-segmentation. Unsupervised and myopic aspects, co-advisor : Yannick Berthoumieu (Equipe Signal et Image - IMS).
Pascal Szacherski, 2010-, Molecular profile reconstruction for biomarker discovery, collaboration with LETI (CEA-DRT), co-advisor : Pierre Grangeat.
François Orieux, 2006-2009, Inversion bayésienne : aspects non-supervisés et sur-résolus en milieu incertain et application aux données du satellite Herschel, collaboration with IAS, co-advisor : Thomas Rodet und Alain Abergel (IAS).
Grégory Strubel, 2005-20008, Profile reconstruction for analysis microsystems applied to biology and health care, collaboration with LETI (CEA-DRT), co-advisor : Pierre Grangeat.
Aurélien Hazart, 2004-2007, Identification of sources of pollution, collaboration with EdF/DER, co-advisor : Laurence Chatellier and Stephanie Dubost.
Gilles Rochefort, 2001-2005, High resolution imaging from video sequences, collaboration with ONERA-DTIM , co-advisor : Frédéric Champagnat and Guy Lebesnerais.
Vincent Samson, 1999-2002, Detection of punctual moving objects in image sequences, collaboration with ONERA-DTIM, co-advisor : Frédéric Champagnat.
Redha Boubertakh, 1998-2002, Fourier synthesis and application to Magnetic Resonance Imaging, collaboration with Unité IMQ, INSERM U494 co-advisor Alain Herment.
Philippe Ciuciu, 1996-2000, Markovian high resolution spectral analysis and application to meteorological radars, collaboration with Société Thomson-CSF-AIRSYS (Daniel Muller and Guy Desodt), main-advisor : Jérome Idier, Ircyn.

Links

Autre genre d'activité --- une réclame pour divers racontars : Les étoiles polaires

Bouquin --- Quelque chose que j'aurais aimé écrire : Olivier Courcelle, Le théorème de Travolta. L'histoire de trois jeunes ratés du théorème, assez sérieusement névrosés,... Un récit édifiant des travers de nos communautés scientifiques...

Author: Jean-François Giovannelli -- Created: September 12, 1999 -- Updated: March, 2012