Keyphrases
- label propagation
- dictionary learning
- image classification
- semi supervised
- sparse coding
- sparse representation
- semi supervised learning
- labeled data
- image representation
- unlabeled data
- pairwise
- feature extraction
- unsupervised learning
- visual words
- pairwise constraints
- active learning
- supervised learning
- image features
- multi label
- label information
- bag of words
- generative model
- multi class
- labeled examples
- community detection
- image patches
- learning process
- probabilistic model
- natural images
- data analysis