R.Gribonval joined INRIA in 2000 as Chargé de recherche at IRISA, Rennes in the SIGMA2 project. Since 2001he's affiliated with the METISS project on audio signal processing. he obtained his Habilitation à Diriger des Recherches (HDR) in Mathematics from the Université de Rennes I in 2007. Since 2009 he hold a position of Directeur de Recherche (Senior Research Scientist) with INRIA. In 2011 he was awarded the Blaise Pascal Award of the GAMNI-SMAI by the French Academy of Sciences. he obtained in 2011 a Starting Grant from the European Research Council.
His main research interests are :
- Mathematical aspects of signal processing, machine learning and pattern recognition
- Theory and algorithms for sparse representations and nonlinear approximations with redundant dictionaries
- Audio signal processing
- Source localization and separation
- Time-frequency and time-scale methods