Nicolas DOBIGEON

Assistant Professor at INP-ENSEEIHT Toulouse

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Full list of publications and communications

Note: For more details (simulation results, Matlab codes...), click on the "related webpage" or "reproducible research materials" links when available.

Submitted/pipelined journal papers

1. M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, "Estimating the granularity coefficient of a Potts-Markov random field within an MCMC algorithm," 2012, submitted.
   Related technical report: [ BIBT_EX ].

2. Y. Altmann, N. Dobigeon and J.-Y. Tourneret, "Nonlinearity detection in hyperspectral images using a polynomial post-nonlinear mixing model," 2011, submitted.
   Related technical report: [ BIBT_EX ].

3. C. Bazot, N. Dobigeon, J.-Y. Tourneret, A. Zaas, G. S. Ginsburg and A. O. Hero, "Unsupervised Bayesian linear unmixing of gene expression microarrays," 2011, submitted.

4. S.-U. Park, N. Dobigeon and A. O. Hero, "Variational semi-blind sparse deconvolution with orthogonal kernel bases," 2011, submitted.

5. O. Eches, J. A. Benediktsson, N. Dobigeon, and J.-Y. Tourneret, "Adaptive Markov random fields for joint unmixing and segmentation of hyperspectral image," 2011, submitted.

6. C. Theys, H. Lantéri, C. Richard, N. Dobigeon and J.-Y. Tourneret, "Linear unmixing of hyperspectral images using a normalized scaled gradient method," 2011, submitted.

7. N. Dobigeon and N. Brun, "Blind linear unmixing of EELS spectrum-images," 2011, submitted.

International journal papers

Note: Extended versions of some journal papers are available below as technical reports.

1. S.-U. Park, N. Dobigeon and A. O. Hero, "Semi-blind sparse image reconstruction with application to MRFM," IEEE Trans. Image Processing, 2012, to appear.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: .

2. O. Besson, N. Dobigeon and J.-Y. Tourneret, "CS decomposition based Bayesian subspace estimation," IEEE Trans. Signal Processing, 2012, to appear.
   Paper: [ BIBT_EX ]. Related webpage: .

3. J. M. Bioucas-Dias, A. Plaza, N. Dobigeon, M. Parente, Q. Du, P. Gader and J. Chanussot, "Hyperspectral unmixing overview: geometrical, statistical, and sparse regression-based approaches," IEEE J. Sel. Topics Applied Earth Observations and Remote Sensing, vol. 5, no. 2, 2012, to appear.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: .

4. M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, "Segmentation of skin lesions in 2D and 3D ultrasound images using a spatially coherent generalized Rayleigh mixture model," IEEE Trans. Med. Imaging, 2012, to appear.
   Paper: [ BIBT_EX ]. Related webpage: .

5. G. Kail, J.-Y. Tourneret, F. Hlawatsch, and N. Dobigeon, "Blind Deconvolution of Sparse Pulse Sequences under a Minimum Distance Constraint: A Partially Collapsed Gibbs Sampler Method," IEEE Trans. Signal Processing, vol. 60, no. 6, pp. 2727-2743, June 2012.
   Paper: [ BIBT_EX ].

6. Y. Altmann, A. Halimi, N. Dobigeon and J.-Y. Tourneret, "Supervised nonlinear spectral unmixing using a post-nonlinear mixing model for hyperspectral imagery," IEEE Trans. Image Processing, vol. 21, no. 6, pp. 3017-3025, June 2012.
   Paper: [ BIBT_EX ]. Related webpage: .

7. R. Mittelman, N. Dobigeon, A. O. Hero, "Hyperspectral image unmixing using a multiresolution sticky HDP," IEEE Trans. Signal Processing, vol. 60, no. 4, pp. 1656-1671, Apr. 2012.
   Paper: [ BIBT_EX ]. Reproducible research materials: .

8. O. Besson, N. Dobigeon and J.-Y. Tourneret, "Minimum mean square distance estimation of a subspace," IEEE Trans. Signal Processing, vol. 59, no. 12, pp. 5709-5720, Dec. 2011.
   Paper: [ BIBT_EX ]. Related webpage: . Preprint available on arXiv: .

9. O. Eches, N. Dobigeon and J.-Y. Tourneret, "Enhancing hyperspectral image unmixing with spatial correlations," IEEE Trans. Geoscience and Remote Sensing, vol. 49, no. 11, pp. 4239-4247, Nov. 2011.
   Paper: [ BIBT_EX ]. Preprint available on arXiv: .

10. 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, vol. 49, no. 11, pp. 4153-4162, Nov. 2011.
    Paper: [ BIBT_EX ]. Related webpage: . Erratum: .

11. Y. Huang, A. K. Zaas, A. Rao, N. Dobigeon, P. Woolf, T. Veldman, N. C. Øien, M. T. McClain, J. B. Varkey, B. Nicholson, L. Carin, S. Kingsmore, C. W. Woods, G. S. Ginsburg and A. O. Hero III, "Temporal dynamics of host molecular responses differentiate symptomatic and asymptomatic Influenza A infection," PLoS Genetics, vol. 7, no. 8, pp. e1002234, Aug. 2011.
    Paper: [ BIBT_EX ]. Related webpage: .
    Also available online: . Reproducible research materials: .
    Press releases: Univ. of Michigan: & INP Toulouse: . Articles in popular press: .

12. 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, vol. 48, no. 11, pp. 4003-4013, Nov. 2010.
    Paper: [ BIBT_EX ]. Related webpage: . Preprint available on arXiv: .

13. 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: .

14. 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: .

15. 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 ]. Related webpage: . Preprint available on arXiv: .

16. 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 ]. Related webpage: . Preprint available on arXiv: .

17. 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 ]. Related webpage: . Preprint available on arXiv: .

18. 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 ]. Related webpage: . Preprint available on arXiv: .

19. 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: .

20. 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 ].

21. 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: .

22. 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, vol. 27, no. 1, pp.79-108, Aug. 2010.
   Paper: [ BIBT_EX ]. Note: Invited paper.

International conference papers

1. C. Bazot, N. Dobigeon, J.-Y. Tourneret and A. O. Hero, "Bayesian analysis of time-evolving gene expression data with hidden Markov model," Proc. European Signal Processing Conf. (EUSIPCO), Bucharest, Romania, Sept. 2012, submitted.
   Paper: [ BIBT_EX ].

2. N. Dobigeon, A. Basarab, J.-Y. Tourneret and D. Kouamé, "Regularized Bayesian compressed sensing in ultrasound imaging," Proc. European Signal Processing Conf. (EUSIPCO), Bucharest, Romania, Sept. 2012, submitted.
   Paper: [ BIBT_EX ].

3. Y. Altmann, N. Dobigeon and J.-Y. Tourneret, "Detecting nonlinear mixtures in hyperspectral images," IEEE GRSS Workshop on Hyperspectral Image and SIgnal Processing: Evolution in Remote Sensing (WHISPERS), Shangai, China, June 2012, to appear.
   Paper: [ BIBT_EX ]. Note: Invited paper.

4. O. Besson, N. Dobigeon and J.-Y. Tourneret, "Bayesian subspace estimation using CS decomposition," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Kyoto, Japan, March 2012, pp. 2437-2440.
   Paper: [ BIBT_EX ].

5. Y. Altmann, N. Dobigeon, S. McLaughlin and J.-Y. Tourneret, "Nonlinear unmixing of hyperspectral images using Gaussian processes," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Kyoto, Japan, March 2012, pp. 1249-1252.
   Paper: [ BIBT_EX ].

6. F. Schmidt, S. Bourguignon, S. Le Mouëlic, N. Dobigeon, E. Tréguier, "Constraining Martian mineralogical compositions using hyperspectral images," in Proc. Lunar and Planetary Science Conference (LPSC), vol. 43, The Woodlands, Texas, March 2012, paper 1659.
   Abstract: [ BIBT_EX ].

7. S.-U. Park, N. Dobigeon and A. O. Hero, "Variational semi-blind sparse image reconstruction with application to MRFM," in Proc. IS&T/SPIE Electronic Imaging, Computational Imaging X, C. A. Bouman, I. Pollak, and P. J. Wolfe, Eds., vol. 8296. Burlingame, CA: SPIE, Jan. 2012, paper 8296-15.
   Paper: [ BIBT_EX ].

8. C. Quinsac, N. Dobigeon, A. Basarab, J.-Y. Tourneret and D. Kouamé, "Bayesian compressed sensing in ultrasound imaging," Proc. IEEE Int. Workshop Comput. Adv. in Multi-Sensor Adaptive Process. (CAMSAP), San Juan, Puerto Rico, Dec. 2011, pp. 104-104.
   Paper: [ BIBT_EX ]. Related webpage: . Note: Invited paper.

9. O. Besson, N. Dobigeon and J.-Y. Tourneret, "Bayesian estimation of a subspace," in Rec. 45th IEEE Asilomar Conf. Signals, Systems and Computers, Pacific Grove, CA, Nov. 2011, pp. 629-633.
   Paper: [ BIBT_EX ]. Related webpage: .

10. F. Schmidt, S. Bourguignon, S. Le Mouëlic, N. Dobigeon, C. Theys and E. Tréguier, "Accuracy and performance of linear unmixing techniques for detecting minerals on Omega/Mars Express," in Proc. European Planetary Science Congress (EPSC EuroPlanet), vol. 6, Nantes, France, Oct. 2011, paper 969-1.
    Abstract: [ BIBT_EX ].

11. E. Tréguier, F. Schmidt, S. Erard, A. Schmidt, A. Cardesín, P. Martin, P. Pinet, S. Moussaoui and N. Dobigeon, "Investigation of a small set of hyperspectral images through non-negative source separation," in Proc. European Planetary Science Congress (EPSC EuroPlanet), vol. 6, Nantes, France, Oct. 2011, paper 1852-1.
    Abstract: [ BIBT_EX ].

12. M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, "Segmentation of high frequency ultrasound images using a spatially coherent generalized Rayleigh mixture model," in Proc. European Signal Processing Conf. (EUSIPCO), Barcelona, Spain, Sept. 2011, pp. 664-668.
    Paper: [ BIBT_EX ]. Related webpage: . Note: Invited paper.

13. A. Halimi, Y. Altmann, N. Dobigeon, and J.-Y. Tourneret, "Unmixing hyperspectral images using the generalized bilinear model," in Proc. IEEE Int. Geosci. Remote Sens. Symp. (IGARSS), Sendai, Japan, Vancouver, Canada, July 2011, pp. 1886-1889.
    Paper: [ BIBT_EX ]. Related webpage: .

14. Y. Altmann, A. Halimi, N. Dobigeon and J.-Y. Tourneret, "A polynomial post nonlinear model for hyperspectral image unmixing," in Proc. IEEE Int. Geosci. Remote Sens. Symp. (IGARSS), Sendai, Japan, Vancouver, Canada, July 2011, pp. 1882-1885.
    Paper: [ BIBT_EX ].

15. Y. Altmann, N. Dobigeon, S. McLaughlin and J.-Y. Tourneret, "Nonlinear unmixing of hyperspectral images using radial basis functions and orthogonal least squares," in Proc. IEEE Int. Geosci. Remote Sens. Symp. (IGARSS), Sendai, Japan, Vancouver, Canada, July 2011, pp. 1151-1154.
    Paper: [ BIBT_EX ]. Note: Invited paper.

16. Z. Irace, M. Pereyra, N. Dobigeon and H. Batatia, "Bayesian segmentation of chest tumors in PET Scans using a Poisson-Gamma mixture model," in Proc. IEEE Workshop on Statistical Signal Processing (SSP), Nice, France, June 2011, pp. 809-812.
    Paper: [ BIBT_EX ].

17. A. Halimi, Y. Altmann, N. Dobigeon and J.-Y. Tourneret, "Nonlinear unmixing of hyperspectral images using a generalized bilinear model," in Proc. IEEE Workshop on Statistical Signal Processing (SSP), Nice, France, June 2011, pp. 413-416.
    Paper: [ BIBT_EX ]. Related webpage: .

18. F. Schmidt, S. Bourguignon, S. Le Mouëlic, N. Dobigeon, C. Theys and E. Tréguier, "Accuracy and performance of linear unmixing techniques for detecting minerals on Omega/Mars Express," in Proc. IEEE GRSS Workshop on Hyperspectral Image and SIgnal Processing: Evolution in Remote Sensing (WHISPERS), Lisbon, Portugal, June 2011, pp. 1-4.
    Paper: [ BIBT_EX ].

19. O. Eches, J. A. Benediktsson, N. Dobigeon and J.-Y. Tourneret, "Joint spectral classification and unmixing using adaptative pixel neighborhoods," in Proc. IEEE GRSS Workshop on Hyperspectral Image and SIgnal Processing: Evolution in Remote Sensing (WHISPERS), Lisbon, Portugal, June 2011, pp. 1-4.
    Paper: [ BIBT_EX ].

20. Y. Altmann, N. Dobigeon and J.-Y. Tourneret, "Bilinear models for nonlinear unmixing of hyperspectral images," in Proc. IEEE GRSS Workshop on Hyperspectral Image and SIgnal Processing: Evolution in Remote Sensing (WHISPERS), Lisbon, Portugal, June 2011, pp. 1-4.
    Paper: [ BIBT_EX ]. Related webpage: . Note: Invited paper.

21. M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, "Labeling skin tissues in ultrasound images using a generalized Rayleigh mixture model," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Prague, Czech Republic, May 2011, pp. 729-732.
    Paper: [ BIBT_EX ]. Related webpage: .

22. O. Eches, N. Dobigeon, J.-Y. Tourneret and H. Snoussi, "Variational methods for spectral unmixing of hyperspectral unmixing," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Prague, Czech Republic, May 2011, pp. 957-960.
    Paper: [ BIBT_EX ].

23. C. Bazot, N. Dobigeon, J.-Y. Tourneret and A. O. Hero, "Bernoulli-Gaussian model for gene expression analysis," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Prague, Czech Republic, May 2011, pp. 5996-5999.
    Paper: [ BIBT_EX ]. Note: Invited paper.

24. Y. Altmann, A. Halimi, N. Dobigeon and J.-Y. Tourneret, "Supervised nonlinear spectral unmixing using a polynomial post nonlinear model for hyperspectral imagery," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Prague, Czech Republic, May 2011, pp. 1009-1012.
    Paper: [ BIBT_EX ].

25. A. Schmidt, E. Tréguier, F. Schmidt, S. Moussaoui and N. Dobigeon, "Non-negative Matrix Factorisation in Context," in Proc. European Geosciences Union General Assembly (EGU), vol. 13, Vienna, Austria, April 2011, paper 9072-1.
    Abstract: [ BIBT_EX ].

26. E. Tréguier, A. Schmidt, F. Schmidt, A. Cardesín, S. Erard, P. Martin, P. Pinet, S. Moussaoui and N. Dobigeon, "Analysis of a collection of planetary hyperspectral images through non-negative source separation," in Proc. European Geosciences Union General Assembly (EGU), vol. 13, Vienna, Austria, April 2011, paper 13174.
    Abstract: [ BIBT_EX ].

27. S.-U. Park, N. Dobigeon and A. O. Hero, "Myopic reconstruction and its application to MRFM data," in Proc. IS&T/SPIE Electronic Imaging, Computational Imaging IX, C. A. Bouman, I. Pollak, and P. J. Wolfe, Eds., vol. 7873. San Francisco, CA: SPIE, Jan. 2011, pp. 787303/1-787303/14.
    Paper: [ BIBT_EX ].

28. E. Tréguier, F. Schmidt, A. Schmidt, S. Moussaoui, N. Dobigeon, S. Erard, A. Cardesín, P. Pinet and P. Martin, "Investigating Martian and Venusian hyperspectral datasets through Positive Source Separation," in AGU Fall Meeting Abstracts, Dec. 2010, abstract #P53B-1518.
    Abstract: [ BIBT_EX ].

29. C. Bazot, N. Dobigeon, J.-Y. Tourneret and A. O. Hero, "Unsupervised Bayesian analysis of gene expression patterns," in Rec. 44th IEEE Asilomar Conf. Signals, Systems and Computers, Pacific Grove, CA, Nov. 2010, pp. 364-368.
    Paper: [ BIBT_EX ]. Note: Invited paper.

30. A. Schmidt, E. Tréguier, F. Schmidt, M. Guiheneuf, S. Moussaoui, N. Dobigeon and C. Pelloquin, "Multi-Image Unsupervised Spectral Analysis," in Proc. European Planetary Science Congress (EPSC EuroPlanet), vol. 5, Roma, Italy, Sept. 2010, paper 590.
    Abstract: [ BIBT_EX ].

31. 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 Methods in Science and Engineering (MaxEnt), ser. AIP Conf. Proc., A. Mohammad-Djafari, J.-F. Bercher, and P. Bessière, Eds., vol. 1305, no. 1. Chamonix, France: AIP, July 2010, pp. 303-310.
    Paper: [ BIBT_EX ]. Note: Invited paper.

32. 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, pp. 1-4.
    Paper: [ BIBT_EX ].

33. 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, pp. 1-4.
    Paper: [ BIBT_EX ]. Note: Invited paper.

34. 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 ].

35. 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 ].

36. G. Kail, J.-Y. Tourneret, F. Hlawatsch and N. Dobigeon, "A partially collapsed Gibbs sampler for parameters with local constraints," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Dallas, USA, March 2010, pp. 3886-3889.
    Paper: [ BIBT_EX ].

37. 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," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Processing (ICASSP), Dallas, USA, March 2010, pp. 1222-1225.
    Paper: [ BIBT_EX ].

38. N. Dobigeon, S. Moussaoui, M. Coulon, J.-Y. Tourneret and A. O. Hero, "Subspace-based Bayesian blind source separation for hyperspectral imagery," in Proc. Proc. IEEE Int. Workshop Comput. Adv. in Multi-Sensor Adaptive Process. (CAMSAP), Aruba, Dutch Antilles, Dec. 2009, pp. 372-375.
    Paper: [ BIBT_EX ]. Note: Invited paper.

39. F. Schmidt, S. Moussaoui and N. Dobigeon, "Material identification on hyperspectral images using Bayesian source separation," in Proc. European Planetary Science Congress (EPSC EuroPlanet), vol. 4, Potsdam, Germany, Sept. 2009, paper 289.
    Abstract: [ BIBT_EX ].

40. 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 EuroPlanet), vol. 4, Potsdam, Germany, Sept. 2009, paper 91.
    Abstract: [ BIBT_EX ].

41. 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: .

42. 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 ].

43. 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 ].

44. 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 ].

45. 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 ].

46. 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.

47. 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.

48. 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 ].

49. 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.

50. 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.

51. 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 ].

52. 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 ].

53. N. Dobigeon and V. Achard, "Performance comparison of geometric and statistical methods for endmembers extraction in hyperspectral imagery," in Proc. SPIE 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 ].

54. 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. Z. Irace, M. Pereyra, N. Dobigeon and H. Batatia, "Un modèle Bayésien de mélange de lois Poisson-Gamma pour segmenter des images TEP," in Actes de la Conférence Reconnaissance des Formes et Intelligence Artificielle (RFIA), Lyon, France, Jan. 2012, in French, to appear.
   Paper: [ BIBT_EX ].

2. M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, "Un modèle de mélange de lois Rayleigh généralisées pour la classification des échographies cutanées," in Actes du XXIIIième Colloque GRETSI, Bordeaux, France, Sept. 2011, in French.
   Paper: [ BIBT_EX ].

3. Y. Altmann, N. Dobigeon, S. McLaughlin and J.-Y. Tourneret, "Démélange non linéaire d'images hyperspectrales à l'aide de fonctions radiales de base et de moindres carrés orthogonaux," in Actes du XXIIIième Colloque GRETSI, Bordeaux, France, Sept. 2011, in French.
   Paper: [ BIBT_EX ].

4. O. Eches, N. Dobigeon, J.-Y. Tourneret and H. Snoussi, "Méthodes variationnelles pour le démélange d'images hyperspectrales," in Actes du XXIIIième Colloque GRETSI, Bordeaux, France, Sept. 2011, in French.
   Paper: [ BIBT_EX ].

5. C. Quinsac, N. Dobigeon, A. Basarab, J.-Y. Tourneret and D. Kouamé, "Echantillonnage compressé Bayésien en imagerie ultrasonore," in Actes du XXIIIième Colloque GRETSI, Bordeaux, France, Sept. 2011, in French.
   Paper: [ BIBT_EX ].

6. C. Bazot, N. Dobigeon, J.-Y. Tourneret and A. O. Hero, "Modèle Bernoulli-Gaussien pour l'analyse génétique," in Actes du XXIIIième Colloque GRETSI, Bordeaux, France, Sept. 2011, in French.
   Paper: [ BIBT_EX ].

7. 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 ].

8. 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 ].

9. 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 ].

10. 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 ].

11. 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 ].

Technical reports

Note: Some (most?) of these technical reports are extended versions of journal papers listed above.

1. O. Besson, N. Dobigeon and J.-Y. Tourneret, "CS decomposition based Bayesian subspace estimation," Technical Report, University of Toulouse, ISAE & IRIT/INP-ENSEEIHT, Feb. 2012.
   Report: [ BIBT_EX ].

2. M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, "Segmentation of skin lesions in 2D and 3D ultrasound images using a spatially coherent generalized Rayleigh mixture model," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Dec. 2011.
   Report: [ BIBT_EX ]..

3. Y. Altmann, N. Dobigeon and J.-Y. Tourneret, "Nonlinearity detection in hyperspectral images using a polynomial post-nonlinear mixing model," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Dec. 2011.
   Report: [ BIBT_EX ].

4. Y. Altmann, A. Halimi, N. Dobigeon and J.-Y. Tourneret, "Supervised nonlinear spectral unmixing using a post-nonlinear mixing model for hyperspectral imagery," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Nov. 2011.
   Report: [ BIBT_EX ].

5. O. Besson, N. Dobigeon and J.-Y. Tourneret, "Minimum mean square distance estimation of a subspace," Technical Report, University of Toulouse, ISAE & IRIT/INP-ENSEEIHT, June 2011.
   Report: [ BIBT_EX ].

6. O. Eches, N. Dobigeon, J.-Y. Tourneret and Hichem Snoussi, "Variational methods for spectral unmixing of hyperspectral images," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, May 2011.
   Report: [ BIBT_EX ].

7. O. Eches, N. Dobigeon and J.-Y. Tourneret, "Enhancing hyperspectral image unmixing with spatial correlations," Technical Report, University of Toulouse, IRIT/INP-ENSEEIHT, Jan. 2011.
   Report: [ BIBT_EX ].

8. 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, Oct. 2010. Update: Dec. 2011.
   Report: [ BIBT_EX ].

9. 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 ]

10. 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 ]

11. 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 ].

12. 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 ].

13. 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 ].

14. 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 ].

15. 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 ].

16. N. Dobigeon and J.-Y. Tourneret, "Truncated multivariate Gaussian distribution on a simplex," Technical Report, IRIT/ENSEEIHT/TeSA, Jan. 2007.
    Report: [ BIBT_EX ].

17. 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.

Seminars and invited talks

2012/12:	Invited talk, International PICS 2012 Workshop on Chemometrics in time-resolved and imaging spectroscopy - Instrumental measurements and data analysis, Lille, France, "Bayesian linear unmixing for spectral mixture analysis".
2012/01:	Seminar, Groupe de Travail Image, IMT, University of Toulouse, France, "(Non-)linear unmixing of hyperspectral images".
2011/12:	Invited talk, Atelier "Astrostatistique en France," Grenoble, France, "MCMC algorithms for spectral unmixing".
2011/11:	Invited talk, Journée GdR-ISIS "Méthodes de Monte Carlo pour les problèmes inverses bayésiens," TelecomParisTech, Paris, France, "MCMC algorithms for spectral unmixing".
2011/03:	Seminar, LPS Laboratory, University of Paris-Sud 11, France, "Bayesian linear unmixing for spectral mixture analysis".
2011/02:	Talk, Journée GdR-ISIS "Contraintes de non-négativité en traitement du signal et des images," TelecomParisTech, Paris, France, (by Said Moussaoui) "Simulation bayésienne pour la séparation de sources non-négatives".
2010/12:	Seminar, University of Pau, France, "Algorithmes bayésiens pour le démélange supervisé, semi-supervisé et non-supervisé d'images hyperspectrales".
2010/03:	Talk, Journée "Mathématiques pour l'Ingénierie : de la Modélisation à la Résolution de Problèmes Concrets," Toulouse, France, "Reconstruction bayésienne d'images parcimonieuses. Application à l'imagerie MRFM".
2009/06:	Seminar, Supelec, Gif-sur-Yvette, France, "Méthodes MCMC pour l'analyse d'images hyperspectrales".
2009/05:	Talk, Assemblée Générale du GdR ISIS, Batz-sur-mer, France, "Méthodes MCMC pour l'analyse d'images hyperspectrales".
2009/03:	Talk, Journée GdR-ISIS "Problèmes inverses - Estimation des hyperparamètres", TelecomParisTech, Paris, France, "Reconstruction bayésienne d'images MRFM parcimonieuses".
2009/03:	Talk, Journée GdR-ISIS "Modèle stochastique multivarié en traitement des images", TelecomParisTech, Paris, France, "Extraction de composants purs et démélange linéaire bayésiens en imagerie hyperspectrale".
2008/07:	Invited talk, Workshop on change-point detection methods and applications, AgroParisTech, Paris, France, "Joint segmentation of wind speed and direction using a hierarchical model".
2008/07:	Invited talk, ARO-MURI MRFM Program Progress Review, Cornell University, Ithaca, USA, (by Alfred O. Hero) "Sparsity constrained image reconstruction for MRFM".
2008/04:	Seminar, GIPSA-lab, Grenoble, France, "Segmentation conjointe de signaux multi-capteurs par échantillonnage bayésien".
2006/12:	Seminar, IRCCyN Lab., Nantes, France, "Un modèle bayésien hiérarchique pour la segmentation conjointe de séries astronomiques".
2005/04:	Talk, Colloque EDIT, Toulouse, France, "Segmentation conjointe de données astrophysiques".

© 2011 Nicolas Dobigeon
Original design by Andreas Viklund