Keyphrases
- covariance matrices
- estimation problems
- high dimensional
- covariance matrix
- maximum likelihood
- vector space
- low dimensional
- gaussian distribution
- gaussian mixture
- distance measure
- multivariate normal
- gaussian mixture model
- high dimensional data
- feature vectors
- denoising
- dimensionality reduction
- nearest neighbor
- feature space
- similarity measure
- computer vision
- data sets
- principal component analysis
- feature extraction
- image processing
- feature selection