Nicolas DOBIGEON
Assistant Professor at INP-ENSEEIHT Toulouse
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Research activities
Publications and communications | Research interests | Tools and methods | Applications |Collaborations | Supervised Ph.D. students | Supervised M.Sc./B.Sc. students |
Funded projects | Grants and awards | Community service activities |
Refereeing activities | Other research activities
Publications and communications
Complete list: here. List on the IRIT web server: here.Note: my Erdõs number is 3. To find a pathway: MathSciNet.
Research interests
- Inverse problems in signal and image processing.
- Myopic and blind source separation, matrix factorization.
- Sparse representation and dictionary learning.
Tools and methods
- Statistical signal processing.
- Bayesian inference, hierarchical models.
- MCMC methods: Gibbs sampling, Metropolis-Hastings, reversible jumps.
Applications
For more details (simulation results, Matlab codes, papers...), click on the links when available.
Sparse representation and dictionary learning.
Sparse coding of natural images.Gene expression factor analysis.
Unsupervised identification of disease signature.Hyperspectral imagery.
Endmember extraction. Spectral unmixing.Magnetic Resonance Force Microscopy (MRFM) imagery.
Sparse image reconstruction. Myopic (semi-blind) deconvolution.Spectrochemical analysis.
Bayesian blind source separation under constraints.Joint segmentation of autoregressive processes.
Segmentation of stereo speech signals. Detection of "arc-tracking" phenomenon.Joint segmentation of multivariate astronomical time series.
Segmentation of real data obtained by the NASA Compton Gamma Ray Observatory's BATSE. Detection of the changes in the brightness of the gamma-ray burst (GRB) sources.
Collaborations (past and current)
- Véronique ACHARD (ONERA Toulouse - France).
- Cédric CARTERET (University of Nancy, LCPME - France).
- Chein-I CHANG (University of Maryland Baltimore County - USA).
- Martial COULON (University of Toulouse - France).
- Manuel DAVY (INRIA Futurs - France).
- Alfred O. HERO (University of Michigan - USA).
- Franz HLAWATSCH (Vienna University of Technology - Austria).
- Corinne MAILHES (University of Toulouse - France).
- Henri LANTERI (University of Nice, LUAN - France).
- Saïd MOUSSAOUI (IRCCyN/ECN - France).
- Daniel RUGAR (IBM Almaden Research Center - USA).
- Jeffrey D. SCARGLE (NASA - USA).
- Frédéric SCHMIDT (Université Paris 11 - France).
- Céline THEYS (University of Nice, LUAN - France).
- Jean-Yves TOURNERET (University of Toulouse - France).
Supervised Ph.D. students
- Yoann ALTMANN (INP Toulouse, 2010-2013, co-advisor: J.-Y. TOURNERET),
on "Nonlinear unmixing of hyperspectral images".
- Cécile BAZOT (INP Toulouse, 2009-2012, co-advisor: J.-Y. TOURNERET),
on "Bayesian methods for gene expression factor analysis".
- Olivier ECHES (INP Toulouse, 2007-2010, co-advisor: J.-Y. TOURNERET),
on "MCMC methods for hyperspectral images".
Supervised M.Sc./B.Sc. students
- Yoann ALTMANN (M.Sc., INP Toulouse, 2010).
- Abderrahim HALIMI (M.Sc., INP Toulouse, 2010).
- Ismail FOURARI (B.Sc., ENSEEIHT, 2009).
- Inès MEGANEM (B.Sc., ENSEEIHT, 2008).
- Kamel BENZAÏD (B.Sc., ENSEEIHT, 2005).
Funded projects
| 2010-2011: | BQR project supported by INP Toulouse "Acquisition of hyperspectral and lidar data with airborne sensors" Partners: DYNAFOR (INRA/INP, France), Purpan Agricult. Eng. School (France), |
| 2007-2008: | "Young Researcher" project supported by GdR-ISIS "MCMC methods for hyperspectral image analysis." Partners: ADTSI Team, IRCCyN (CNRS/ECN, France). |
Supports, grants and awards
| 2009: | Finalist, ASTI Ph.D. Prize 2009, sponsored by INRIA. |
| 2007-2008: | Recipient, French Ministry of Defence post-doctoral fellowship. |
| 2007: | Recipient, Léopold Escande Ph.D. Prize. |
| 2007/08: | Recipient, Workshop Travel Grant, IEEE SSP 2007. |
| 2007/04: | Finalist, ICASSP 2007 Student Paper Contest, IEEE ICASSP 2007. |
| 2004-2007: | Recipient, French Ministry of Research doctoral scholarship. |
Community service activities
| 2010/07: | Meeting co-organizer at GdR ISIS, Paris (France), "Non-negativity constraints in signal and image processing" (with C. Févotte). |
| 2010/07: | Special session co-organizer & co-chairman at MaxEnt, Chamonix (France), "Bayesian algorithms for multi-channel image analysis" (with J.-Y. Tourneret). |
| 2009/08: | Session co-chair at IEEE WHISPERS Workshop, Grenoble (France), "Recent Advances in Spectral Mixture Analysis of Hyperspectral Data" (with R. Nishii). |
| 2009/06: | Invited co-lecturer, CNRS Summer school on image processing, Figeac (France), "MCMC methods for image processing applications" (with J.-Y. Tourneret). |
| 2006/11: | Organizing committee, "Rencontres CNRS Jeunes", Toulouse (France). |
| 2006/05: | Volunteer, IEEE ICASSP 2006, Toulouse (France). |
Refereeing activities
- Journals:
- Statistics and Computing
- Journal of Applied Statistics
- IEEE Trans. Signal Processing
- IEEE Trans. Image Processing
- IEEE Trans. Geoscience and Remote Sensing
- IEEE Journal of Selected Topics on Signal Processing
- IEEE Signal Processing Letters
- IEEE Geoscience and Remote Sensing Letters
- Journal of Signal Processing Systems (formerly VLSI)
- Remote Sensing
- Journal Européen des Systèmes Automatisés
- Conferences:
- IEEE WHISPERS Workshops
- Eurasip EUSIPCO Conferences
- Colloques GRETSI
Other research activities
| 2009/06: | Visiting scholar at UTT, Troyes (France). |
| 2009/06: | Visiting scholar at Supélec, Gif-sur-Yvette (France). |
| 2008: | Research Associate at University of Michigan, Ann Arbor (USA). |
| 2007/01: | Visiting scholar at ENST, Paris (France). |
| 2006/12: | Visiting scholar at IRCCyN, Nantes (France). |
| 2006/07: | 1st French Summer School in Signal and Image Processing, Peyresq (France). |
| 2005/07: | Visiting scholar at LAGIS, Lille (France). |
| 2005-...: | Member of the IEEE Signal Processing Society. Member of the IEEE Geoscience & Remote Sensing Society. |
| 2004-...: | Member of the French research group GdR-ISIS. |
© 2008 Nicolas Dobigeon
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