Keyphrases
- pattern classification
- dictionary learning
- semi supervised
- sparse representation
- group sparsity
- sparse coding
- sparse codes
- object category recognition
- unsupervised learning
- semi supervised learning
- generative model
- image super resolution
- unlabeled data
- feature extraction
- labeled data
- pairwise
- active learning
- subspace learning
- image classification
- pairwise constraints
- pattern recognition
- manifold learning
- low rank
- metric learning
- graph embedding
- image patches
- signal processing
- supervised learning
- structured sparsity
- discriminative dictionary
- high dimensional data
- neural network
- image representation
- nearest neighbor
- small number
- face recognition