Nonparametric hierarchical mixture models based on asymmetric Gaussian distribution.
Ziyang SongSamr AliNizar BouguilaWentao FanPublished in: Digit. Signal Process. (2020)
Keyphrases
- gaussian distribution
- mixture model
- gaussian mixture model
- expectation maximization
- maximum likelihood
- density estimation
- em algorithm
- unsupervised learning
- dirichlet process
- gaussian model
- probabilistic model
- generative model
- noise model
- model selection
- posterior distribution
- gaussian mixture
- covariance matrices
- mixture of gaussians
- background subtraction
- maximum likelihood estimation
- variational inference
- probability density function
- mixture modeling
- probability density
- automatic model selection
- hierarchical clustering
- language model
- feature space
- information retrieval
- mixture components
- dirichlet process mixture models
- finite mixtures
- data sets