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Développement de méthodes d'estimation modale de signaux multidimensionnels. ...
This thesis aims at the developpement of modal analysis algorithms for multidimensional signals (R-D) presenting resolution and numerical complexity problems. A... -
Sparse modal estimation of 2-D NMR signals
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A constrained optimization approach for complex sparse perturbed models
In this paper, we consider the problem of estimating a complex-valued signal having a sparse representation in an uncountable family of vectors. The available... -
RESOLUTION ENHANCEMENT OF ULTRASONIC SIGNALS BY UP-SAMPLED SPARSE DECONVOLUTION
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Learning overcomplete dictionaries based on parallel atom-updating
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Sparse Approximations for Quaternionic Signals
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Sparse approximation algorithms inspired by Orthogonal Least Squares for inve...
This manuscript is a synthesis of my research activity at CRAN between 2005 and 2013. My research projects deal with inverse problems in signal and image processing,... -
Learning Overcomplete Dictionaries Based on Atom-by-Atom Updating
International audience
