Perturbation Analysis of Orthogonal Matching Pursuit.
Jie DingLaming ChenYuantao GuPublished in: IEEE Trans. Signal Process. (2013)
Keyphrases
- orthogonal matching pursuit
- compressed sensing
- sparse representation
- transform domain
- signal recovery
- sparse approximation
- compressive sensing
- feature selection
- greedy algorithm
- image reconstruction
- random projections
- sparse coding
- spatial domain
- text categorization
- model selection
- image classification
- signal processing
- nearest neighbor
- feature space
- pattern recognition
- objective function