A Hierarchical Infinite Generalized Dirichlet Mixture Model with Feature Selection.
Wentao FanHassen SallayNizar BouguilaSami BourouisPublished in: ICAIS (2014)
Keyphrases
- mixture model
- dirichlet distribution
- feature selection
- unsupervised learning
- model selection
- gaussian mixture model
- em algorithm
- generative model
- probabilistic model
- expectation maximization
- dirichlet prior
- mixture modeling
- density estimation
- language model
- mutual information
- hierarchical dirichlet process
- text classification
- probability density function
- machine learning
- knn
- feature set
- maximum likelihood
- feature space
- bayesian nonparametric
- feature extraction
- gaussian mixture
- discrete data
- dirichlet process
- von mises fisher
- data mining
- computer vision
- image processing
- decision trees
- prior distribution
- feature selection algorithms
- feature subset
- supervised learning