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 language | English |
|---|---|
| Article number | 8723544 |
| Pages (from-to) | 6847-6854 |
| Number of pages | 8 |
| Journal | IEEE Transactions on Vehicular Technology |
| Volume | 68 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 2019 |
Keywords
- Sparse signal recovery
- mutual coherence
- sufficient condition
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