Keyphrases
- generative model
- probabilistic model
- discriminative learning
- discriminative models
- mixture model
- generative and discriminative models
- em algorithm
- prior knowledge
- conditional random fields
- semi supervised
- object categories
- latent dirichlet allocation
- posterior probability
- discriminative methods
- maximum entropy principle
- topic models
- fisher kernel
- information retrieval
- hierarchical hidden markov models