Augustin Lefèvre

	I am a PhD candidate in the Sierra team at ENS/INRIA under the supervision of Francis Bach and Cédric Févotte . I also get to spend most of my time with team Willow. My current research is on audio source separation.
	Address:	Sierra project team, INRIA. 23, avenue d'Italie CS 81321 75214 Paris Cedex 13 - France
	E-mail:	firstname-dot-lastname-at-ens-dot-fr
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Research interests Teaching Publications Demos

Research Interests [top]

Algorithms for nonnegative matrix factorization (NMF)
Unsupervised and supervised source separation

Teaching [top]

Fall 2010 : Functional and Convex Analysis, ENSAE ParisTech
Spring 2010 : Probability theory, ENSAE ParisTech
Fall 2009 : Functional and Convex Analysis, ENSAE ParisTech

Publications [top]

A. Lefèvre, F. Bach, and C. Févotte. Itakura-Saito Nonnegative Matrix Factorization With Group Sparsity , in Proceedings of the International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2011 , [pdf], [code]

A. Lefèvre, F. Bach, and C. Févotte. Online algorithms for Nonnegative Matrix Factorization with the Itakura-Saito divergence , submitted to IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA) 2011 , [pdf]

Demos and code [top]

[Automatically group components of NMF with group sparse NMF]

[ Online nmf for large scale blind audio source separation ]