Keyphrases
- semi supervised learning
- object categories
- semi supervised
- unlabeled data
- training examples
- labeled data
- active learning
- supervised learning
- image features
- training data
- unsupervised learning
- object detection
- object classes
- object recognition
- machine learning
- spatial information
- data mining
- pairwise
- training set
- learning algorithm
- data sets
- generative model
- feature space
- text categorization
- feature extraction
- face recognition
- object class
- object detectors