Keyphrases
- covariance matrix
- covariance matrices
- normal distribution
- gaussian distribution
- sample size
- principal component analysis
- mixture distribution
- multivariate normal
- maximum likelihood
- gaussian mixture model
- objective function
- random variables
- standard deviation
- gaussian mixture
- vector space
- machine learning
- parameter estimation
- pattern recognition
- density estimation
- distance measure
- linear classifiers
- np hard
- computer vision