Robust maximum-likelihood estimation of structured covariance matrices.
Douglas B. WilliamsDon H. JohnsonPublished in: ICASSP (1988)
Keyphrases
- maximum likelihood estimation
- covariance matrices
- maximum likelihood
- covariance matrix
- em algorithm
- parameter estimation
- expectation maximization
- gaussian distribution
- gaussian mixture model
- probability distribution
- gaussian mixture
- maximum a posteriori
- image processing
- vector space
- mixture model
- distance measure
- nearest neighbor
- bayesian networks
- face recognition
- image segmentation