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Applied Mathematics and Signal Processing

Research Associate

Professor at UCLouvain

Institute of Information and Communication Technologies, Electronics and Applied Mathematics (ICTEAM)
ELEN Department

Funded by the Belgian National Science Foundation - FRS-FNRS

+32 10 47 80 54 (fax: +32 10 47 20 89)

Image and Signal Processing Group (ISPGroup), ICTEAM/ELEN
Office address: A.026, Euler building, Louvain-la-Neuve
Mail address: INMA/ICTEAM, Avenue Georges Lemaître 4-6/L4.05.01, B1348 Louvain-la-Neuve, Belgium

Well, here is "yet another" scientific homepage ;-)
I collect in these pages data and recent news about my research and interests. These are also the result of collaborative works with other researchers. Feel free to discover these topics by browsing the menu here on the left, or on on Google Scholar.

Main fields of interest:

  • Inverse problems solving by promoting low-complexity signal models (e.g., sparse or low-rank models).
  • 1-bit and high-resolution Quantized Compressed Sensing (QCS).
  • Quantized random projections: theory and application (e.g., for machine learning or classification methods).
  • Blind deconvolution, blind calibration and other data restoration problems
  • Applied mathematics for Optics (Deflectometry), Astronomy (Radio-Interferometry) and biomedical applications (X-Ray Imaging).
  • New models for sensor design (e.g., cameras, optical sensors, tomography, hyperspectral imaging).
  • Representation of data on "non-conventional" spaces (e.g., sphere, manifolds, or graphs).

Teaching & Services

PhD-students and postdocs (in link with these fields)

  • Stéphanie Guérit (PhD-student, TA UCL, co-advised with J. Lee, 2014-)
  • Pierre-Yves Gousenbourger (PhD-student, TA UCL, co-advised with P.-A. Absil, 2014-)
  • Gilles Monnoyer de Galland de Carnières (PhD-student, co-advised with L. Vandendorpe, 2019-)
  • Benoît Pairet (PhD-student, FRIA/FNRS, 2014-)
  • Vincent Schellekens (PhD-student, FNRS, 2017-)

Former PhD-students, researchers and postdocs

  • Dr Amirafshar Moshtaghpour (2015-2019, FRIA/FNRS)
  • Dr Chunlei Xu (Postdoc, AlterSense Project, MIS-FNRS, 2016-2018)
  • Dr Kévin Degraux (2013-2018, FNRS)
  • Dr Valerio Cambareri (Postdoc, AlterSense Project, MIS-FNRS, 2015-2017)
  • Dr Augustin Cosse (2010-2016, co-advised with L. Demanet)
  • Dr Adriana Gonzalez Gonzalez (2010-2016)
  • Dr Prasad Sudhakar (2011-2014, Postdoc, DETROIT project)
  • Alexandre Saint (2011-2012, engineer, DETROIT project)
  • Muhammad Arsalan (2014, PhD-student)


  • November 16, 2016: Organizing in UCL the regular workshop "FNRS Wavelet Contact Group on Wavelet and Applications" this time dedicated to random binary embeddings, compressive sensing and signal sampling on graphs, thanks to the invitation of Sjoerd Dirksen (RWTHAachen, Germany) and Gilles Puy (Technicolor, Rennes, France), the two plenary speakers.
  • October 13, 2016: Public PhD defense of Augustin Cosse on "Semidefinite programming relaxations for matrix completion, inverse scattering and blind deconvolution" (picture of the day). Congrats to Dr Cosse!
  • October 4-7, 2016: Visiting IRISA/INRIA, in the team of Remi Gribonval. Seminar on "A simple gradient descent algorithm for blind gain calibration of randomized sensing devices" and participation to the PhD "soutenance" of Marwa Chaffi (CentraleSupélec, Rennes, France).
  • September 19-22, 2016: Invited speaker at CoSeRA 2016, Aachen, Germany. Talk on "A Non-Convex Blind Calibration Method for Randomised Sensing Strategies" (pdf slides), work done in collaboration with Valerio Cambareri.
  • September 12th, 2016: 3 works submitted to ICASSP'17, New Orleans, USA (see here).
  • September 8-9, 2016: Attending RBSM16 (Brussels, Belgium) with one poster on "Coded-Illumination Fourier Transform Interferometry", by A. Moshtaghpour (the presenter), V. Cambareri, K. Degraux, A. Gonzalez, M. Roblin, L. Jacques, and P. Antoine.

... (older news)

"Toute connaissance accessible doit être atteinte par des voies scientifiques ;
ce que la science ne peut pas découvrir, l’humanité ne peut pas le savoir".
-- Bertrand Russell

"Science sans conscience n'est que ruine de l'âme." -- F. Rabelais
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