Hidden Markov models with factored Gaussian mixtures densities.
Hao-Zheng LiZhi-Qiang LiuXiang-Hua ZhuPublished in: Pattern Recognit. (2005)
Keyphrases
- hidden markov models
- gaussian mixture
- gaussian densities
- probability density function
- minimum classification error
- em algorithm
- covariance matrix
- density estimation
- gaussian mixture model
- expectation maximization
- probability distribution
- speech recognition
- mixture model
- state space
- baum welch
- closed form
- mixture distributions
- conditional random fields
- discriminative training
- hidden states
- bayesian framework
- posterior probability
- maximum likelihood
- computer vision
- continuous hidden markov models
- hidden state
- maximum likelihood estimation
- low dimensional
- prior knowledge