Cooperative Orthogonal Matching Pursuit strategies for sparse approximation by partitioning.
Laura Rebollo-NeiraPublished in: CoRR (2015)
Keyphrases
- sparse approximation
- orthogonal matching pursuit
- linear combination
- noise model
- sparse coding
- transform domain
- gaussian process
- sparse representation
- compressed sensing
- compressive sensing
- convex relaxation
- unsupervised learning
- feature selection
- convex optimization
- marginal likelihood
- image reconstruction
- model selection
- higher order
- semi supervised