Variational Bayes and Localized Feature Selection for Student's T-Mixture Models.
Hui ZhangQ. M. Jonathan WuThanh Minh NguyenPublished in: Int. J. Pattern Recognit. Artif. Intell. (2013)
Keyphrases
- variational bayes
- mixture model
- gaussian mixture model
- feature selection
- model selection
- hyperparameters
- exponential family
- em algorithm
- bayesian learning
- expectation maximization
- unsupervised learning
- probabilistic model
- generative model
- density estimation
- latent variables
- maximum likelihood
- bayesian inference
- cross validation
- posterior distribution
- machine learning
- feature space
- parameter estimation
- gaussian process
- latent dirichlet allocation
- graphical models
- mutual information
- text classification
- language model
- log likelihood
- feature extraction
- probability density function
- support vector
- free energy
- computer vision
- bayesian framework
- sample size
- upper bound
- knn