Keyphrases
- exponential family
- principal component analysis
- maximum likelihood
- closed form
- graphical models
- density estimation
- log likelihood
- statistical models
- missing values
- mixture model
- feature extraction
- variational methods
- dimensionality reduction
- hidden variables
- order statistics
- face recognition
- probability density function
- low dimensional
- high dimensional
- probabilistic model
- feature space
- em algorithm
- statistical model
- probabilistic inference