Latent variable speaker adaptation of Gaussian mixture weights and means.
Xueru ZhangKris DemuynckHugo Van hammePublished in: ICASSP (2012)
Keyphrases
- gaussian mixture
- latent variables
- probabilistic model
- em algorithm
- covariance matrix
- expectation maximization
- latent variable models
- gaussian mixture model
- speaker adaptation
- random variables
- closed form
- probability density function
- gaussian process
- density estimation
- speech recognition
- mixture model
- prior knowledge
- topic models
- image segmentation
- generative model
- maximum likelihood
- principal component analysis
- nearest neighbor
- pattern recognition
- speech recognizer
- bayesian networks