Keyphrases
- generative model
- probabilistic model
- mixture model
- discriminative learning
- hierarchical hidden markov models
- bayesian framework
- discriminative models
- prior knowledge
- em algorithm
- conditional random fields
- maximum entropy principle
- topic models
- generative and discriminative models
- sparse coding
- semi supervised
- maximum entropy
- object categories
- low dimensional
- pairwise
- expectation maximization
- high dimensional