Flavius Turcu
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View article: A greedy algorithm to extract sparsity degree for l1/l0-equivalence in a deterministic context
A greedy algorithm to extract sparsity degree for l1/l0-equivalence in a deterministic context Open
This paper investigates the problem of designing a deterministic system matrix, that is measurement matrix, for sparse recovery. An efficient greedy algorithm is proposed in order to extract the class of sparse signal/image which cannot be…
View article: Lipschitz bounds for noise robustness in compressive sensing: two algorithms
Lipschitz bounds for noise robustness in compressive sensing: two algorithms Open
The paper deals with estimating the local noise robustness in a compressive sensing framework. We provide two algorithms which estimate, for each vector x that can be recovered by $\\ell^1$ minimization, the Lipschitz bounds relating the $…