Keyphrases
- generative model
- probabilistic model
- discriminative learning
- mixture model
- discriminative models
- object categories
- prior knowledge
- semi supervised
- em algorithm
- hidden variables
- training examples
- conditional random fields
- representational power
- topic models
- hierarchical hidden markov models
- discriminatively trained
- image processing
- text classification
- object detection
- information extraction
- discriminative methods
- feature selection
- generative and discriminative models
- learning algorithm