Ph. Ricoux

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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 reconstructed by l1-minimization for a fixed system matrix. Based on the polytope theory, the algorithm provides a(More)
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 reconstructed by l<sub>1</sub>-minimization for a fixed system matrix. Based on the polytope theory, the algorithm(More)
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