Marcelo A. Pereyra

Marcelo A. Pereyra
www.stats.bris.ac.uk/~mp12320/
e-mail : [email protected]
Contact
Information
Department of Mathematics, University of Bristol
University Walk, Bristol, BS8 1TW, UK.
Education
PhD in “Signal Processing” (Leopolde Escande Award)
Institut National Polytechnique de Toulouse, University of Toulouse, France.
Jul. 2012
M.Sc in “Information, Decision and Control Systems” (1st Class Hons.)
Institut National des Sciences Appliquées de Toulouse, France.
Sep. 2009
M.Eng (ingénieur) INSA Toulouse in “Electronics and Control Theory”
Institut National des Sciences Appliquées de Toulouse, France.
M.Eng (ingénieur) ITBA in “Electronics”
Instituto Tecnólogico de Buenos Aires, Argentina.
Professional
Activities
Brunel Postdoctoral Research Fellow in Statistics
School of Mathematics, University of Bristol, Bristol, UK.
Jul. 2009
Jul. 2009
September 2012 – August 2014
PhD Researcher
September 2009 – August 2012
Institut National Polytechnique de Toulouse, Toulouse, France.
Teaching Assistant
September 2009 – present
Institut National des Sciences Appliques de Toulouse, France.
Subjects taught : Advanced control theory, probability, real-time systems, JAVA.
Research Engineer (internship)
EADS Innovation Works (R&D), Toulouse, France
Awards
February 2009 : July 2009
Brunel Postdoctoral Research Fellowship in Statistics
Funded by SuSTaIn, University of Bristol (EPSRC grant EP/D063485/1)
French Ministry of Defence post-doctoral fellowship
Léopold Escande 2012 Ph.D. Thesis award, Nov. 2012
Institut National Polytechnique de Toulouse, University of Toulouse
GDR ISIS - CNRS and IRIT - CRNS travel grant, Oct. 2011
Visitor at the University of Edinburgh as part of a collaboration with Prof. Steve McLaughlin
INFOTEL R&D 2009 award, INSA Toulouse Association of Engineers, Jul. 2009
ITBA R&D 2007 award, Instituto Tecnológico de Buenos Aires, Sep. 2007
Publications
- PhD Thesis
PhD Thesis (Léopold Escande award) : “Statistical modeling and processing of high frequency
ultrasound images”, University of Toulouse, IRIT/ INP - ENSEEIHT.
Advisors and examination committee :
Advisor Prof. Alain Ayache, ENSEEIHT, Toulouse, France
Co-Advisor MCF. Hadj Batatia, ENSEEIHT, Toulouse, France
External (Rapporteur) DR. Jérôme Idier - CNRS IRCCyN, Nantes, France
External (Rapporteur) DR. Xavier Descomes - INRIA, Sophia Antipolis, France
Internal (Président) Prof. Jean-Yves Tourneret - ENSEEIHT, Toulouse, France
External (Examinateur) DR. Patrice Abry - ENS, Lyon, France
External (Examinateur) Prof. Steve McLaughlin - Heriot-Watt University, UK
External (Invité) Prof. Petar Djurić - Stony Brook University, USA
Publications :
Journals
M. Pereyra, H. Batatia and S. McLaughlin, “Exploiting information geometry to improve the convergence properties of variational active contours,” submitted to IEEE Sel. Topics Signal Processing.
M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, “Estimating the Granularity Coefficient
of a Potts-Markov Random field within an MCMC algorithm ,” to appear in IEEE Trans. Image
Processing.
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.
Medical Imaging, vol. 31, no. 8., pp. 1509-1520, Aug. 2012.
M. Pereyra and H. Batatia, “Modeling Ultrasound Echoes in Skin Tissues using Symmetric α-Stable
Processes,” IEEE Trans. Ultrason. Ferroelect. Freq. Contr., vol. 59, no. 1, pp. 6072, Jan. 2012.
Publications :
Conferences
Z. Irace, M. A. Pereyra, N. Dobigeon and H. Batatia, “Un modèle 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
M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, “Un modèle de mélange de lois Rayleigh
généralisées spatialement corrélées pour la segmentation d’échographies cutanées,” in (GRETSI),
Bordeaux, France, Sep. 2011.
M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, “Segmentation of ultrasound images using a
spatially coherent generalized Rayleigh mixture model,” in European Signal Proc. Conf. (EUSIPCO),
Barcelona, Spain, Aug. 2011.
Z. Irace, M. A. Pereyra, N. Dobigeon and H. Batatia, “Bayesian Segmentation of Chest Tumors in
PET Scans using a Poisson-Gamma Mixture Model,” in Proc. IEEE Stat. Signal Process. Workshop
(SSP), Nice, France, June 2011.
M. A. 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 Proc. (ICASSP), Prague, Czech Republic, May 2011.
M. A. Pereyra and H. Batatia, “A Levy Flight Model for Ultrasound in Skin Tissues,” in Proc. IEEE
Eng. Med. Bio. Soc. (EMBC), San Diego (CA), USA, Oct. 2010.
M. A. Pereyra and H. Batatia, “An Alpha-Stable Model for Ultrasound Speckle Statistics in Skin,”
in Proc. IEEE Eng. Med. Bio. Soc. (EMBC), Buenos Aires, Argentina, Sep. 2010.
Publications :
Reports
M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, “Computing the Cramer-Rao bound of
Markov random field parameters : Application to the Ising and the Potts models ,” University of
Toulouse, May 2012.
M. Pereyra, N. Dobigeon, H. Batatia and J.-Y. Tourneret, “Estimating the Granularity Coefficient
of a Potts-Markov Random field within an MCMC algorithm ,” University of Toulouse, Mars 2012.
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,” University of
Toulouse, December 2011.
Seminars and
Seminar Neuro-Imaging forum, CRIC, University of Bristol, UK, Feb. 2012
summer schools “Bayesian modelling and processing of medical images : application to high-frequency ultrasound”.
Seminar IDCoM, School of Engineering, University of Edinburgh, UK, Feb. 2012
“Statistical modeling & processing of ultrasound images with application to lesion segmentation”.
Seminar Probability & Statistics, School of Mathematics, University of Bristol, UK, Nov. 2012
“Statistical modeling & processing of ultrasound images with application to lesion segmentation”.
Seminar Groupe de Travail Image, IMT, University of Toulouse, France, May 2012
“Statistical modeling & processing of ultrasound images with application to lesion segmentation”.
Poster ICMS Workshop on Advances in Markov Chain Monte Carlo, Edinburgh, Apr. 2012 “Statistical modeling & processing of ultrasound images with application to lesion segmentation”.
Seminar IEEE Argentina, signal. proc. chapter, Buenos Aires, Argentine, Sep. 2010
“Ultrasound Levy Fligh in Skin Tissues”.
Poster 9th IEEE EMBS Int. Summer School on Biomed. Imaging, Berder, France, Jun. 2010.
Seminar MIBS, IMT, University of Toulouse, France, Mar. 2010
“Modélisation et traitement statistique d’images échographiques cutanées avec des lois stables”.
Invited speaker IEEE Argentina, signal. proc. chapter, Buenos Aires, Argentine Oct. 2009
“Placas de video NVIDIA CUDA para acelerar sistemas de procesamiento de señales o calculo cientı́fico”.