Learning Hidden Markov Models Using Nonnegative Matrix Factorization.
George CybenkoValentino CrespiPublished in: IEEE Trans. Inf. Theory (2011)
Keyphrases
- hidden markov models
- nonnegative matrix factorization
- hidden state
- sequence classification
- active learning
- continuous hidden markov models
- latent variable models
- conditional random fields
- discriminative training
- learning algorithm
- image sequences
- reinforcement learning
- semi supervised
- maximum likelihood
- baum welch