Robust estimation of structured covariance matrices.
Douglas B. WilliamsDon H. JohnsonPublished in: IEEE Trans. Signal Process. (1993)
Keyphrases
- robust estimation
- covariance matrices
- covariance matrix
- maximum likelihood
- distance measure
- least squares
- gaussian distribution
- gaussian mixture model
- vector space
- multivariate normal
- gaussian mixture
- motion field
- feature vectors
- sample size
- principal component analysis
- upper bound
- language model
- medical images
- affine invariant
- image processing