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Iterative Regularization with k-support Norm: An Important Complement to Sparse Recovery
Feb. 20, 2024, 5:45 a.m. | William de Vazelhes, Bhaskar Mukhoty, Xiao-Tong Yuan, Bin Gu
cs.LG updates on arXiv.org arxiv.org
Abstract: Sparse recovery is ubiquitous in machine learning and signal processing. Due to the NP-hard nature of sparse recovery, existing methods are known to suffer either from restrictive (or even unknown) applicability conditions, or high computational cost. Recently, iterative regularization methods have emerged as a promising fast approach because they can achieve sparse recovery in one pass through early stopping, rather than the tedious grid-search used in the traditional methods. However, most of those iterative methods …
abstract arxiv computational cost cs.lg eess.sp iterative machine machine learning math.oc nature norm np-hard processing recovery regularization restrictive signal stat.ml support type
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