Subspace weighted l2, 1 minimization for sparse signal recovery.
Chundi ZhengGang LiYimin LiuXiqin WangPublished in: EURASIP J. Adv. Signal Process. (2012)
Keyphrases
- signal recovery
- orthogonal matching pursuit
- sparse representation
- compressed sensing
- transform domain
- feature selection
- sparse approximation
- compressive sensing
- greedy algorithm
- image reconstruction
- low rank and sparse
- natural images
- dictionary learning
- feature space
- objective function
- face recognition
- low dimensional
- random projections
- principal component analysis
- small number
- object recognition