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Uniform k-step recovery with CMF dictionaries

Abstract : We present new theoretical results on sparse recovery guarantees for a greedy algorithm, orthogonal matching pursuit (OMP), in the context of continuous parametric dictionaries, i.e., made up of an infinite uncountable number of atoms. We build up a family of dictionaries for which k-step recovery is possible.
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https://hal.inria.fr/hal-02157561
Contributor : Clément Elvira Connect in order to contact the contributor
Submitted on : Monday, June 17, 2019 - 10:05:04 AM
Last modification on : Saturday, October 9, 2021 - 3:03:38 AM

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  • HAL Id : hal-02157561, version 1

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Clément Elvira, Rémi Gribonval, Cédric Herzet, Charles Soussen. Uniform k-step recovery with CMF dictionaries. SPARS 2019 - Signal Processing with Adaptive Sparse Structured Representations, Jul 2019, Toulouse, France. pp.1-2. ⟨hal-02157561⟩

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