Estimation for the number of components in a mixture model using stepwise split-and-merge EM algorithm.
Haixian WangBin LuoQuan bing ZhangSui WeiPublished in: Pattern Recognit. Lett. (2004)
Keyphrases
- mixture model
- em algorithm
- mixture components
- expectation maximization
- density estimation
- gaussian mixture model
- parameter estimation
- maximum likelihood estimation
- maximum likelihood
- generative model
- gaussian mixture
- probability density function
- finite mixtures
- likelihood function
- hyperparameters
- probabilistic model
- language model
- finite mixture model
- unsupervised learning
- model selection
- model based clustering
- mixture modeling
- gaussian distribution
- maximum a posteriori
- mixture of gaussians
- class labels
- unlabeled samples
- variational inference
- text mining