RobOMP: Robust variants of Orthogonal Matching Pursuit for sparse representations.
Carlos A. LozaPublished in: PeerJ Prepr. (2019)
Keyphrases
- sparse representation
- orthogonal matching pursuit
- compressed sensing
- dictionary learning
- sparse coding
- compressive sensing
- transform domain
- face recognition
- image patches
- image classification
- feature selection
- sparse approximation
- test images
- greedy algorithm
- image representation
- signal processing
- dimensionality reduction
- random projections
- image reconstruction
- small number
- image retrieval
- feature space