Kernel Based Weighted Group Sparse Representation Classifier.
Bingxin XuPing GuoC. L. Philip ChenPublished in: HCI (5) (2013)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- support vector
- image classification
- support vector machine
- face recognition
- random projections
- compressive sensing
- joint optimization
- multiple kernel learning
- compressed sensing
- svm classifier
- image patches
- training data
- decision trees
- negative matrix factorization
- reconstruction error
- piecewise smooth
- sparse approximations
- feature selection
- dimensionality reduction
- feature space
- high dimensional data
- sparse reconstruction
- sparse learning
- regularized least squares
- signal processing
- pattern recognition
- sparsity constraints
- sparse coefficients
- learning algorithm
- training set
- computer vision
- image representation
- norm minimization
- linear classifiers
- kernel methods