Extended baum-welch reestimation of Gaussian mixture models based on reverse Jensen inequality.
Mohamed AfifyPublished in: INTERSPEECH (2005)
Keyphrases
- gaussian mixture model
- baum welch
- covariance matrices
- em algorithm
- mixture model
- hidden markov models
- expectation maximization
- speaker recognition
- gaussian mixture
- feature vectors
- discrete hidden markov models
- speaker identification
- maximum likelihood
- covariance matrix
- probabilistic model
- gaussian distribution
- generative model
- sequential data
- feature space
- face recognition
- information retrieval