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Aix-Marseille Université
Institut de Mathématiques de Marseille (I2M) - UMR 7373
Site Saint-Charles : 3 place Victor Hugo, Case 19, 13331 Marseille Cedex 3
Site Luminy : Campus de Luminy - Case 907 - 13288 Marseille Cedex 9

F.-X. Dupé (LIF): Generalizing CoSaMP and family




Date(s) : 17/10/2014   iCal
14h00 - 15h00

Generalizing CoSaMP and family\n\nTools like CoSaMP (Compressed Sampling Matching Pursuit)\, SP (Subspace Pursuit)\, IHT (Iterative Hard Thresholding)… are now commonly used for solving linear problems with a sparse prior. In order to analyze the behavior of all these algorithms many tools have been proposed and the RIP (restricted isometry property) is one of most famous. In the talk we propose to generalize this family of sparse algorithm to non-linear problem. Such task will ask for a new criterion for analysis and allow us to better understand to which elements these methods converge. Finally\, we will raise some open question and propose some future axes.

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