Exact Recovery of Sparse Signals Using Orthogonal Matching Pursuit: How Many Iterations Do We Need?
Jian WangByonghyo ShimPublished in: IEEE Trans. Signal Process. (2016)
Keyphrases
- orthogonal matching pursuit
- signal recovery
- compressed sensing
- sparse representation
- compressive sensing
- transform domain
- sparse approximation
- signal processing
- signal reconstruction
- compressive sampling
- greedy algorithm
- feature selection
- image reconstruction
- linear combination
- spatial domain
- blind source separation
- random projections
- sparse coding
- multiscale
- machine learning
- unsupervised learning
- image classification
- higher order
- source separation
- high dimensional
- pattern recognition
- face recognition