Detection capabilities evaluation of a constrained structured covariance matrix estimator for radar applications.
Augusto AubryVincenzo CarotenutoAntonio De MaioLuca PallottaAlfonso FarinaPublished in: TyWRRS (2012)
Keyphrases
- covariance matrix
- covariance matrices
- estimation error
- principal component analysis
- mahalanobis distance
- sample size
- gaussian mixture
- correlation matrix
- geometrical interpretation
- eigendecomposition
- eigenvalues and eigenvectors
- objective function
- positive definite
- pseudo inverse
- maximum likelihood
- transformation matrix
- symmetric matrix
- feature selection
- mahalanobis metric
- expectation maximization
- linear programming
- lower bound
- feature space
- similarity measure