A Maximum Weighted Likelihood Approach to Simultaneous Model Selection and Feature Weighting in Gaussian Mixture.
Yiu-ming CheungHong ZengPublished in: ICANN (1) (2007)
Keyphrases
- model selection
- feature weighting
- gaussian mixture
- mixture model
- feature selection
- selection criterion
- em algorithm
- gaussian mixture model
- text categorization
- covariance matrix
- maximum likelihood
- sample size
- expectation maximization
- probability density function
- closed form
- density estimation
- regression model
- text classification
- parameter estimation
- unsupervised learning
- tf idf
- machine learning
- gaussian process
- multiple features
- relevance feedback
- similarity measure
- pairwise
- classification accuracy
- text mining
- image processing