Keyphrases
- sparse coding
- semi supervised
- unsupervised learning
- subspace learning
- generative model
- natural images
- dictionary learning
- sparse representation
- image classification
- linear combination
- semi supervised learning
- labeled data
- image representation
- supervised learning
- sparse codes
- single image super resolution
- unlabeled data
- pairwise
- manifold learning
- visual words
- object category recognition
- active learning
- feature space
- image patches
- multiscale
- higher order
- co occurrence
- text classification
- image segmentation
- computer vision