Keyphrases
- small sample
- covariance matrices
- covariance matrix
- sample size
- maximum likelihood
- least squares
- gaussian mixture model
- support vector machine
- vector space
- distance measure
- gaussian distribution
- model selection
- ls svm
- high dimensional
- denoising
- high dimensionality
- pattern recognition
- linear classifiers
- image denoising
- machine learning
- improved algorithm
- pairwise
- worst case