Nicolas DOBIGEON

Assistant Professor at INP-ENSEEIHT Toulouse

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Full list of publications and communications

Submitted papers or in preparation | International journal papers | National journal papers |
International conference papers | National conference papers | Theses |
Seminaries, workshops and invited talks | Technical reports |
Other rejected papers (unfortunately...)

Submitted papers or in preparation

1. A. Halimi, Y. Altmann, N. Dobigeon and J.-Y. Tourneret, "Nonlinear unmixing of hyperspectral images using a generalized bilinear model," IEEE Trans. Geoscience and Remote Sensing, 2010, submitted.
   Paper: [ BIBT_EX ]. Related technical report: .
   
   
2. Y. Huang, A. K. Zaas, A. Rao, N. Dobigeon, P. Woolf, T. Veldman, N. C. Øien, C. W. Woods, L. Carin, S. Kingsmore, G. Ginsburg and A. O. Hero III, "Temporal dynamics of host molecular responses differentiate symptomatic and asymptomatic Influenza A infection," Science - Translational Medicine, 2010, submitted.
   Paper: [ BIBT_EX ].
   
   
3. O. Eches, N. Dobigeon and J.-Y. Tourneret, "Enhancing hyperspectral image unmixing with spatial correlations," IEEE Trans. Geoscience and Remote Sensing, 2009, submitted.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: .

International journal papers

1. F. Schmidt, M. Guiheneuf, S. Moussaoui, E Tréguier, A. Schmidt and N. Dobigeon, "Implementation strategies for hyperspectral unmixing using Bayesian source separation," IEEE Trans. Geoscience and Remote Sensing, 2010, to appear.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: .
   
   
2. O. Eches, N. Dobigeon and J.-Y. Tourneret, "Estimating the number of endmembers in hyperspectral images using the normal compositional model and a hierarchical Bayesian algorithm," IEEE J. Sel. Topics Signal Processing, vol. 3, no. 3, pp. 582-591, June 2010.
   Paper: [ BIBT_EX ]. Related webpage: .
   
   
3. O. Eches, N. Dobigeon, C. Mailhes and J.-Y. Tourneret, "Bayesian estimation of linear mixtures using the normal compositional model. Application to hyperspectral imagery," IEEE Trans. Image Processing, vol. 19, no. 6, pp. 1403-1413, June 2010.
   Paper: [ BIBT_EX ]. Related webpage: .
   
   
4. N. Dobigeon and J.-Y. Tourneret, "Bayesian orthogonal component analysis for sparse representation," IEEE Trans. Signal Processing, vol. 58. no. 5, pp. 2675-2685, May 2010.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: .
   
   
5. N. Dobigeon, S. Moussaoui, J.-Y. Tourneret and C. Carteret, "Bayesian separation of spectral sources under non-negativity and full additivity constraints", Signal Processing, vol. 89, no. 12, pp. 2657-2669, Dec. 2009.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: . Related webpage: .
   
   
6. N. Dobigeon, S. Moussaoui, M. Coulon, J.-Y. Tourneret and A. O. Hero, "Joint Bayesian endmember extraction and linear unmixing for hyperspectral imagery," IEEE Trans. Signal Processing, vol. 57, no. 11, pp. 4355-4368, Nov. 2009.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: .
   
   
7. N. Dobigeon, A. O. Hero and J.-Y. Tourneret, "Hierarchical Bayesian sparse image reconstruction with application to MRFM," IEEE Trans. Image Processing, vol. 18, no. 9, pp. 2059-2070, Sept. 2009.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: . Related webpage: .
   
   
8. N. Dobigeon, J.-Y. Tourneret and C.-I Chang, "Semi-supervised linear spectral unmixing using a hierarchical Bayesian model for hyperspectral imagery," IEEE Trans. Signal Processing, vol. 56, no. 7, pp. 2684-2695, Jul. 2008.
   Paper: [ BIBT_EX ]. Related webpage: .
   
   
9. N. Dobigeon and J.-Y. Tourneret, "Joint segmentation of wind speed and direction using a hierarchical model," Computational Statistics & Data Analysis, vol. 51, no. 12, pp. 5603-5621, Aug. 2007.
   Paper: [ BIBT_EX ].
   
   
10. N. Dobigeon, J.-Y. Tourneret and M. Davy, "Joint segmentation of piecewise constant autoregressive processes by using a hierarchical model and a Bayesian sampling approach," IEEE Trans. Signal Processing, vol. 55, no. 4, pp. 1251-1263, April 2007.
    Paper: [ BIBT_EX ]. Related webpage: .
    
    
11. N. Dobigeon, J.-Y. Tourneret and J. D. Scargle, "Joint segmentation of multivariate astronomical time series : Bayesian sampling with a hierarchical model," IEEE Trans. Signal Processing, vol. 55, no. 2, pp. 414-423, Feb. 2007.
    Paper: [ BIBT_EX ]. Related webpage: .
    
    

National journal papers

1. N. Dobigeon, S. Moussaoui, M. Coulon, J.-Y. Tourneret and A. O. Hero, "Algorithmes bayésiens pour le démélange supervisé, semi-supervisé et non-supervisé d'images hyperspectrales," Traitement du Signal, 2010, to appear.
   Paper: [ BIBT_EX ].
   
   

International conference papers

1. C. Bazot, N. Dobigeon, J.-Y. Tourneret and A. O. Hero, "Unsupervised Bayesian analysis for gene expression analysis," IEEE Asilomar Conf. Signals, Systems and Computers, 2010, submitted.
   Paper: [ BIBT_EX ].
   
   
2. E. Tréguier, F. Schmidt, A. Schmidt, S. Moussaoui, N. Dobigeon, S. Erard, A. Cardesín, P. Pinet and P. Martin , "Investigating hyperspectral datasets through positive source separation: Martian and Venusian examples," Eos Trans. AGU, vol. 91, no. 26, Jt. Assem. Suppl., 2010, to appear.
   Paper: [ BIBT_EX ].
   
   
3. O. Eches, N. Dobigeon and J.-Y. Tourneret, "Unmixing hyperspectral images using Markov random fields," in Proc. Int. Workshop on Bayesian Inference and Maximun Entropy (MaxEnt), Chamonix, France, July 2010, to appear.
   Paper: [ BIBT_EX ].
   Note: Invited paper.
   
   
4. F. Schmidt, A. Schmidt, E. Tréguier, S. Moussaoui and N. Dobigeon, "Accuracy and performance of optimized Bayesian source separation for hyperspectral unmixing," in Proc. IEEE GRSS Workshop on Hyperspectral Image and SIgnal Processing: Evolution in Remote Sensing (WHISPERS), Reykjavík, Iceland, June 2010, to appear.
   Paper: [ BIBT_EX ].
   
   
5. O. Eches, N. Dobigeon and J.-Y. Tourneret, "Markov random fields for joint unmixing and segmentation of hyperspectral images," in Proc. IEEE GRSS Workshop on Hyperspectral Image and SIgnal Processing: Evolution in Remote Sensing (WHISPERS), Reykjavík, Iceland, June 2010, to appear.
   Paper: [ BIBT_EX ].
   Note: Invited paper.
   
   
6. A. Schmidt, F. Schmidt, E. Tréguier, S. Moussaoui and N. Dobigeon, "Matrix Approximation Techniques for Unsupervised Hyperspectral Data Analysis," in Proc. European Geosciences Union General Assembly (EGU), vol. 12, Vienna, Austria, May 2010, paper 10027-2.
   Abstract: [ BIBT_EX ].
   
   
7. E. Tréguier, F. Schmidt, A. Schmidt, M. Guiheneuf, S. Moussaoui, N. Dobigeon and P. Martin, "Applying new spectral unmixing technique to Martian hyperspectral data," in Proc. European Geosciences Union General Assembly (EGU), vol. 12, Vienna, Austria, May 2010, paper 12824-1.
   Abstract: [ BIBT_EX ].
   
   
8. G. Kail, J.-Y. Tourneret, F. Hlawatsch and N. Dobigeon, "A partially collapsed Gibbs sampler for parameters with local constraints," Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Dallas, USA, 2010, pp. 3886-3889.
   Paper: [ BIBT_EX ].
   
   
9. O. Eches, N. Dobigeon and J.-Y. Tourneret, "A reversible-jump MCMC algorithm for estimating the number of endmembers in the normal compositional model. Application to the unmixing of hyperspectral images," Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Dallas, USA, 2010, pp. 1222-1225.
   Paper: [ BIBT_EX ].
   
   
10. N. Dobigeon, S. Moussaoui, M. Coulon, J.-Y. Tourneret and A. O. Hero, "Subspace-based Bayesian blind source separation for hyperspectral imagery," IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), Aruba, Dutch Antilles, Dec. 2009, pp. 372-375.
    Paper: [ BIBT_EX ].
    Note: Invited paper.
    
    
11. F. Schmidt, S. Moussaoui and N. Dobigeon, "Material identification on hyperspectral images using Bayesian source separation," in Proc. European Planetary Science Congress (EPSC), vol. 4, Potsdam, Germany, Sept. 2009, paper 289.
    Paper: [ BIBT_EX ].
    
    
12. E. Tréguier, F. Schmidt, P. Pinet, P. Martin, C. d'Uston, S. Moussaoui and N. Dobigeon, "Multivariate approach for evaluating the composition of Meridiani spherules," in Proc. European Planetary Science Congress (EPSC), vol. 4, Potsdam, Germany, Sept. 2009, paper 91.
    Paper: [ BIBT_EX ].
    
    
13. C. Theys, N. Dobigeon, J.-Y. Tourneret and H. Lantéri, "Linear unmixing of hyperspectral images using a scaled gradient method," in Proc. IEEE Workshop on Statistical Signal Processing (SSP), Cardiff, UK, Aug. 2009, pp. 729-732.
    Paper: [ BIBT_EX ]. Related webpage: .
    
    
14. O. Eches, N. Dobigeon, C. Mailhes and J.-Y. Tourneret, "Unmixing hyperspectral images using a Normal Compositional Model and MCMC methods," in Proc. IEEE Workshop on Statistical Signal Processing (SSP), Cardiff, UK, Aug. 2009, pp. 646-649.
    Paper: [ BIBT_EX ].
    
    
15. F. Schmidt, S. Moussaoui and N. Dobigeon, "Material identification on Martian hyperspectral images using Bayesian source separation," in Proc. IEEE GRSS Workshop on Hyperspectral Image and SIgnal Processing: Evolution in Remote Sensing (WHISPERS), Grenoble, France, Aug. 2009, pp. 1-4.
    Paper: [ BIBT_EX ].
    
    
16. O. Eches, N. Dobigeon and J.-Y. Tourneret, "NCM-based Bayesian algorithm for hyperspectral unmixing," in Proc. IEEE GRSS Workshop on Hyperspectral Image and SIgnal Processing: Evolution in Remote Sensing (WHISPERS), Grenoble, France, Aug. 2009, pp. 1-4.
    Paper: [ BIBT_EX ].
    
    
17. N. Dobigeon, A. O. Hero and J.-Y. Tourneret, "Bayesian sparse image reconstruction for MRFM," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Taipei, ROC, April 2009, pp. 2933-2936.
    Paper: [ BIBT_EX ].
    
    
18. N. Dobigeon and J.-Y. Tourneret, "Library-based linear unmixing for hyperspectral imagery via reversible jump MCMC sampling," in Proc. IEEE/AIAA Aerospace Conference (AeroConf), Big Sky, USA, March 2009, pp. 1-6.
    Paper: [ BIBT_EX ].
    Note: Invited paper.
    
    
19. N. Dobigeon and J.-Y. Tourneret, "MCMC sampling for joint segmentation of wind speed and direction," in Proc. IEEE Digital Signal Processing Workshop (DSP), Marco Island, USA, Jan. 2009, pp. 250-255.
    Paper: [ BIBT_EX ].
    Note: Invited paper.
    
    
20. N. Dobigeon, J.-Y. Tourneret and A. O. Hero III, "Bayesian linear unmixing of hyperspectral images corrupted by colored Gaussian noise with unknown covariance matrix," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Las Vegas, USA, March 2008, pp. 3433-3436.
    Paper: [ BIBT_EX ].
    
    
21. N. Dobigeon, J.-Y. Tourneret and S. Moussaoui, "Blind unmixing of linear mixtures using a hierarchical Bayesian model. Application to spectroscopic signal analysis," in Proc. IEEE Workshop on Statistical Signal Processing (SSP), Madison, USA, Aug. 2007, pp. 79-83.
    Paper: [ BIBT_EX ].
    Note: IEEE SSP 2007 Workshop Travel Grant.
    
    
22. N. Dobigeon and J.-Y. Tourneret, "Spectral unmixing of hyperspectral images using a hierarchical Bayesian model," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), vol. 3, Honolulu, Hawaii, USA, April 2007, pp. 1209-1212.
    Paper: [ BIBT_EX ].
    Note: Student paper contest finalist.
    
    
23. N. Dobigeon, J.-Y. Tourneret and J. D. Scargle, "Joint segmentation of multivariate Poissonian time series. Applications to Burst and Transient Source Experiments," in Proc. European Signal Processing Conf. (EUSIPCO), Florence, Italy, Sept. 2006.
    Paper: [ BIBT_EX ].
    
    
24. N. Dobigeon, J.-Y. Tourneret and M. Davy, "Joint segmentation of piecewise constant autoregressive processes by using a hierarchical model and a Bayesian sampling aproach," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), vol. 3, Toulouse, France, May 2006, pp. 1-4.
    Paper: [ BIBT_EX ].
    
    
25. N. Dobigeon and V. Achard, "Performance comparison of geometric and statistical methods for endmembers extraction in hyperspectral imagery," in Image and Signal Processing for Remote Sensing XI, L. Bruzzone, Ed., vol. 5982, no. 1. Brugge, Belgium: SPIE, Oct. 2005, pp. 335-344.
    Paper: [ BIBT_EX ].
    
    
26. N. Dobigeon, J.-Y. Tourneret and J. D. Scargle, "Change-point detection in astronomical data by using a hierarchical model and a Bayesian sampling approach," in Proc. IEEE Workshop on Statistical Signal Processing (SSP), Bordeaux, France, July 2005, pp. 369-374.
    Paper: [ BIBT_EX ].
    
    

National conference papers

1. N. Dobigeon, A. O. Hero and J.-Y. Tourneret, "Reconstruction bayésienne d'images MRFM parcimonieuses," in Actes du XXIIième Colloque GRETSI, Dijon, France, Sept. 2009, in french.
   Paper: [ BIBT_EX ].
   
   
2. N. Dobigeon, S. Moussaoui, M. Coulon, J.-Y. Tourneret and A. O. Hero, "Extraction de composants purs et démélange linéaire bayésiens en imagerie hyperspectrale," in Actes du XXIIième Colloque GRETSI, Dijon, France, Sept. 2009, in french.
   Paper: [ BIBT_EX ].
   
   
3. O. Eches, N. Dobigeon and J.-Y. Tourneret, "Analyse d'images hyperspectrales à l'aide d'un modèle de mélange de spectres aléatoires," in Actes du XXIIième Colloque GRETSI, Dijon, France, Sept. 2009, in french.
   Paper: [ BIBT_EX ].
   
   
4. N. Dobigeon, S. Moussaoui and J.-Y. Tourneret, "Séparation Bayésienne de sources spectrales sous contraintes de positivité et d'additivité," in Actes du XXIième Colloque GRETSI, Troyes, France, Sept. 2007, in french.
   Paper: [ BIBT_EX ].
   
   
5. N. Dobigeon and J.-Y. Tourneret, "Segmentation conjointe de données poissonniennes," in Actes du XXième Colloque GRETSI, vol. 1, Louvain-la-Neuve, Belgium, Sept. 2005, pp. 105-108, in french.
   Paper: [ BIBT_EX ].
   
   

Theses

1. N. Dobigeon, "Modèles bayésiens hiérarchiques pour le traitement multi-capteur," PhD. Thesis, INP-ENSEEIHT Toulouse, October 2007, in french.
   Thesis: [ BIBT_EX ]. Slides: . Related webpage: .
   
   
2. N. Dobigeon, "Choix et implantation d'une méthode d'extraction de pôles de mélange dans une image hyperspectrale," M.Sc. Report, INP-ENSEEIHT Toulouse, June 2004, in french.
   Thesis: [ BIBT_EX ].
   
   

Seminaries, workshops and invited talks

1. "Reconstruction bayésienne d'images parcimonieuses. Application à l'imagerie MRFM", Journée Mathématiques pour l'Ingénierie : de la Modélisation à la Résolution de Problèmes Concrets, Toulouse, France, March 2010.
   
   
2. "Méthodes MCMC pour l'analyse d'images hyperspectrales," Seminary at Supélec, Gif-sur-Yvette, France, June 2009.
   
   
3. Lecture on "MCMC methods for image processing applications", Summer School on "New mathematical tools for image processing and computer vision", Figeac, France, June 2009 (with J.-Y. Tourneret).
   
   
4. "Méthodes MCMC pour l'analyse d'images hyperspectrales," Assemblée Générale du GdR ISIS, Batz-sur-mer, France, May 2009.
   
   
5. "MCMC methods for hyperspectral image analysis," Journée Scientifique DGA, Cité des Sciences et de l'Industrie, Paris, France, May 2009.
   
   
6. "Reconstruction bayésienne d'images MRFM parcimonieuses," Journée GdR-ISIS "Problèmes inverses - Estimation des hyperparamètres", TelecomParisTech, Paris, France, Mar. 2009.
   Slides: .
   
   
7. "Extraction de composants purs et démélange linéaire bayésiens en imagerie hyperspectrale," Journée GdR-ISIS "Modèle stochastique multivarié en traitement des images", TelecomParisTech, Paris, France, Mar. 2009.
   Slides: .
   
   
8. "Joint segmentation of wind speed and direction using a hierarchical model," Workshop on change-point detection methods and applications, AgroParisTech, Paris, France, Sept. 2008.
   Slides: .
   
   
9. "Sparsity constrained image reconstruction for MRFM," ARO-MURI MRFM Program Progress Review, Cornell University, Ithaca, USA, Jul. 2008 (by Alfred O. Hero).
   
   
10. "Segmentation conjointe de signaux multi-capteurs par échantillonnage bayésien," Seminary at GIPSA-lab, Grenoble, France, April 2008, in french.
    Slides: .
    
    
11. "Un modèle bayésien hiérarchique pour la segmentation conjointe de séries astronomiques," Talk for the ATDSI team at IRCCyN Lab., Nantes, France, December 2006, in french.
    Slides: .
    
    
12. "Segmentation conjointe de données astrophysiques," Colloque EDIT 2005, Toulouse, France, April 2005, in french.
    Slides: .
    
    

Technical reports

1. A. Halimi, Y. Altmann, N. Dobigeon and J.-Y. Tourneret, "Nonlinear unmixing of hyperspectral images using a generalized bilinear model," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Sept. 2010.
   Report: [ BIBT_EX ].
   
   
2. N. Dobigeon and J.-Y. Tourneret, "Bayesian orthogonal component analysis for sparse representation. Extension to non-homogeneous sparsity level over times," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Nov. 2009.
   Report: [ BIBT_EX ]
   
   
3. O. Eches, N. Dobigeon and J.-Y. Tourneret, "Estimating the number of endmembers in hyperspectral images using the normal compositional model and a hierarchical Bayesian algorithm," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Oct. 2009.
   Report: [ BIBT_EX ]
   
   
4. O. Eches, N. Dobigeon, C. Mailhes and J.-Y. Tourneret, "Unmixing hyperspectral images using a Normal Compositional Model and MCMC methods," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Mar. 2009.
   Report: [ BIBT_EX ].
   
   
5. N. Dobigeon and J.-Y. Tourneret, "Bayesian sampling of structured noise covariance matrix for hyperspectral imagery," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Dec. 2008.
   Report: [ BIBT_EX ].
   
   
6. N. Dobigeon, "Recursive computation of the normalization constant of a multivariate Gaussian distribution truncated on a simplex," Technical Report, University of Michigan, Jan. 2008.
   Report: [ BIBT_EX ].
   
   
7. N. Dobigeon, J.-Y. Tourneret and C.-I Chang, "Semi-supervised linear spectral unmixing using a hierarchical Bayesian model for hyperspectral imagery," Technical Report, IRIT/ENSEEIHT/TeSA and University of Maryland, March 2007.
   Report: [ BIBT_EX ].
   
   
8. N. Dobigeon and J.-Y. Tourneret, "Efficient sampling according to a multivariate Gaussian distribution truncated on a simplex," Technical Report, IRIT/ENSEEIHT/TeSA, March 2007.
   Report: [ BIBT_EX ].
   
   
9. N. Dobigeon and J.-Y. Tourneret, "Truncated multivariate Gaussian distribution on a simplex," Technical Report, IRIT/ENSEEIHT/TeSA, Jan. 2007.
   Report: [ BIBT_EX ].
   
   
10. N. Dobigeon, J.-Y. Tourneret and M. Davy, "Joint segmentation of piecewise constant autoregressive processes by using a hierarchical model and a Bayesian sampling approach," Technical Report, IRIT/ENSEEIHT/TeSA and LAGIS, March 2006.
    Report: [ BIBT_EX ].
    
    

Other rejected papers (unfortunately...)

1. N. Dobigeon, A. O. Hero, D. Rugar and J.-Y. Tourneret, "Sparse reconstruction of molecular images: the MRFM challenge," submitted as a white paper to IEEE Signal Processing Mag. - Special Issue on Medical Imaging, 2009.
   
   

© 2008 Nicolas Dobigeon
Original design by Andreas Viklund