Keyphrases
- semi supervised learning
- semi supervised
- unlabeled data
- labeled data
- semi supervised classification
- unsupervised learning
- machine learning
- level set
- training data
- supervised learning
- manifold regularization
- segmentation algorithm
- graph based semi supervised learning
- image segmentation
- active learning
- medical images
- segmentation method
- semi supervised learning methods
- regularization framework
- labeled and unlabeled data
- energy function
- label propagation
- improve the classification accuracy
- semi supervised learning algorithms
- learning models
- co training
- data sets
- class labels
- information retrieval
- face recognition
- feature extraction
- multi view
- text classification
- opinion detection