Sparse representation-based classification: Orthogonal least squares or orthogonal matching pursuit?
Minshan CuiSaurabh PrasadPublished in: Pattern Recognit. Lett. (2016)
Keyphrases
- orthogonal matching pursuit
- orthogonal least squares
- sparse representation
- sparse representation based classification
- dictionary learning
- sparse coding
- radial basis function
- face recognition
- compressed sensing
- image patches
- compressive sensing
- image classification
- image representation
- random projections
- test images
- signal processing
- high dimensional data
- rbf neural network
- data analysis
- transform domain
- dimensionality reduction
- artificial neural networks
- pattern recognition