Randomized simultaneous orthogonal matching pursuit.
Aqib EjazEsa OllilaVisa KoivunenPublished in: EUSIPCO (2015)
Keyphrases
- orthogonal matching pursuit
- sparse representation
- compressed sensing
- transform domain
- signal recovery
- feature selection
- compressive sensing
- sparse approximation
- greedy algorithm
- image reconstruction
- image representation
- linear combination
- natural images
- sparse coding
- convex relaxation
- random projections
- spatial domain
- signal processing
- multiscale
- face recognition