Kernel Block-Sparse Representation for Classification.
Krishan SharmaRenu RameshanPublished in: ACPR (2017)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse coding
- regularized least squares
- random projections
- support vector
- feature space
- sparse reconstruction
- pattern recognition
- support vector machine
- high dimensional data
- compressive sensing
- face recognition
- image representation
- image patches
- negative matrix factorization
- sparse approximations
- compressed sensing
- unsupervised learning
- feature vectors
- feature extraction
- decision trees
- visual words
- signal processing
- dimensionality reduction
- joint optimization
- feature selection
- data mining
- bag of words
- model selection
- norm minimization
- multi kernel
- sparse codes