An Effective EM Algorithm for PCA Mixture Model.
Zhong JinFranck DavoineZhen LouPublished in: SSPR/SPR (2004)
Keyphrases
- mixture model
- em algorithm
- expectation maximization
- gaussian mixture model
- maximum likelihood
- density estimation
- generative model
- mixture modeling
- principal component analysis
- finite mixtures
- gaussian mixture
- hyperparameters
- probabilistic model
- maximum likelihood estimation
- parameter estimation
- finite mixture model
- maximum a posteriori
- log likelihood
- finite mixture models
- probability density function
- model based clustering
- face recognition
- covariance matrix
- model selection
- feature extraction
- dimensionality reduction
- bayesian framework
- likelihood function
- high dimensional
- object recognition
- training data
- clustering algorithm
- probabilistic mixture model