Tree-based clustering for gaussian mixture HMMs.
Tsuneo KatoShingo KuroiwaTohru ShimizuNorio HiguchiPublished in: Systems and Computers in Japan (2002)
Keyphrases
- gaussian mixture
- mixtures of gaussians
- expectation maximization
- em algorithm
- gaussian mixture model
- hidden markov models
- density estimation
- k means
- covariance matrix
- clustering algorithm
- closed form
- mixture model
- probability density function
- unsupervised learning
- maximum likelihood
- prior knowledge
- gaussian density
- kl divergence
- mixture of gaussians
- image classification
- higher order
- probability density
- information retrieval
- gaussian densities