Average performance of Orthogonal Matching Pursuit (OMP) for sparse approximation.
Karin SchnassPublished in: CoRR (2018)
Keyphrases
- orthogonal matching pursuit
- sparse approximation
- linear combination
- compressed sensing
- sparse representation
- gaussian process
- noise model
- transform domain
- greedy algorithm
- sparse coding
- feature selection
- compressive sensing
- convex relaxation
- image reconstruction
- text classification
- image classification
- marginal likelihood