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Sparse Signal Recovery With Minimization of 1-Norm Minus 2-Norm

  • Jinming Wen
  • , Jian Weng*
  • , Chao Tong
  • , Chao Ren
  • , Zhengchun Zhou
  • *Corresponding author for this work
  • Jinan University
  • University of Science and Technology Beijing
  • Southwest Jiaotong University

Research output: Contribution to journalArticlepeer-review

Abstract

The key aim of compressed sensing is to stably recover a K-sparse signals x from a linear model y = Ax + v, where v is a noise vector. Minimization of ||x||1 - ||x||2 is a recently proposed effective recovery method. In this paper, we show that if the mutual coherence μ of A satisfies μ < 1/3K, then this method can stably recover any K-sparse signal x based on y and A. As far as we know, this is the first sufficient condition based on mutual coherence for such method.

Original languageEnglish
Article number8723544
Pages (from-to)6847-6854
Number of pages8
JournalIEEE Transactions on Vehicular Technology
Volume68
Issue number7
DOIs
StatePublished - Jul 2019

Keywords

  • Sparse signal recovery
  • mutual coherence
  • sufficient condition

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