Enhancement of covariance matrix for array processing.
Weixiu DuR. Lynn KirlinPublished in: IEEE Trans. Signal Process. (1992)
Keyphrases
- covariance matrix
- covariance matrices
- mahalanobis distance
- principal component analysis
- sample size
- pseudo inverse
- eigenvalues and eigenvectors
- positive definite
- geometrical interpretation
- gaussian mixture
- objective function
- image processing
- eigendecomposition
- optimization algorithm
- transformation matrix
- maximum likelihood
- multivariate gaussian