Improving the Correlation Lower Bound for Simultaneous Orthogonal Matching Pursuit.
Jean-François DetermeJérôme LouveauxLaurent JacquesFrançois HorlinPublished in: IEEE Signal Process. Lett. (2016)
Keyphrases
- orthogonal matching pursuit
- lower bound
- transform domain
- compressed sensing
- sparse representation
- upper bound
- signal recovery
- compressive sensing
- sparse approximation
- feature selection
- objective function
- optimal solution
- np hard
- greedy algorithm
- image reconstruction
- worst case
- random projections
- pattern recognition
- image processing
- correlation coefficient
- sparse coding