Keyphrases
- sparse coding
- similarity measure
- natural images
- dictionary learning
- sparse representation
- image classification
- linear combination
- discriminative power
- unsupervised learning
- sparse codes
- image representation
- generative model
- mutual information
- person re identification
- single image super resolution
- group sparsity
- object category recognition
- distance measure
- pairwise
- feature space
- image patches
- visual words
- input image
- high dimensional
- feature vectors
- bayesian networks
- face recognition
- feature selection