ERRATUM: A Continuous Exact l0 penalty (CEL0) for least squares regularized problem

Emmanuel Soubies 1 Laure Blanc-Féraud 1 Gilles Aubert 2
1 MORPHEME - Morphologie et Images
CRISAM - Inria Sophia Antipolis - Méditerranée , IBV - Institut de Biologie Valrose : U1091, Laboratoire I3S - SIS - Signal, Images et Systèmes
Abstract : Lemma 4.4 in [E. Soubies, L. Blanc-Féraud and G. Aubert, SIAM J. Imaging Sci., 8 (2015), pp. 1607-1639] is wrong for local minimizers of the CEL0 functional. The argument used to conclude the proof of this lemma is not sufficient in the case of local minimizers. In this note, we supply a revision of this Lemma where new results are established for local minimizers. Theorem 4.8 in that paper remains unchanged but the proof has to be rewritten according to the new version of the lemma. Finally, some remarks of this paper are also rewritten using the corrected lemma.
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Emmanuel Soubies, Laure Blanc-Féraud, Gilles Aubert. ERRATUM: A Continuous Exact l0 penalty (CEL0) for least squares regularized problem. SIAM Journal on Imaging Sciences, Society for Industrial and Applied Mathematics, 2016, 9 (1), pp.490-494. ⟨10.1137/15M1038384⟩. ⟨hal-01267679⟩

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