Improving the Correlation Lower Bound for Simultaneous Orthogonal Matching Pursuit.
Jean-François DetermeJérôme LouveauxLaurent JacquesFrançois HorlinPublished in: CoRR (2016)
Keyphrases
- orthogonal matching pursuit
- lower bound
- compressed sensing
- transform domain
- sparse representation
- upper bound
- signal recovery
- compressive sensing
- feature selection
- greedy algorithm
- sparse approximation
- objective function
- random projections
- worst case
- optimal solution
- np hard
- image reconstruction
- signal processing
- image classification
- closed form
- computer vision