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    SIGPRO
    2011
    209views Hardware» more  SIGPRO 2011»
    Surveying and comparing simultaneous sparse approximation (or group-lasso) algorithms
    12 years 11 months ago
    Surveying and comparing simultaneous sparse approximation (or group-lasso) algorithms
    Download  hal.archives-ouvertes.fr
    In this paper, we survey and compare different algorithms that, given an overcomplete dictionary of elementary functions, solve the problem of simultaneous sparse signal approxim...
    A. Rakotomamonjy
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    SIAMSC
    2010
    120views more  SIAMSC 2010»
    Simultaneously Sparse Solutions to Linear Inverse Problems with Multiple System Matrices and a Single Observation Vector
    13 years 3 months ago
    Simultaneously Sparse Solutions to Linear Inverse Problems with Multiple System Matrices and a Single Observation Vector
    Download  www.rle.mit.edu
    Abstract. A problem that arises in slice-selective magnetic resonance imaging (MRI) radiofrequency (RF) excitation pulse design is abstracted as a novel linear inverse problem with...
    Adam C. Zelinski, Vivek K. Goyal, Elfar Adalsteins...
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