Estimating the covariance matrix by signal subspace averaging.
Ilkka KarasaloPublished in: IEEE Trans. Acoust. Speech Signal Process. (1986)
Keyphrases
- covariance matrix
- correlation matrix
- signal subspace
- estimation error
- covariance matrices
- principal component analysis
- sample size
- pseudo inverse
- objective function
- sensor array
- eigendecomposition
- singular value decomposition
- positive definite
- hyperspectral
- image processing
- denoising
- feature vectors
- image segmentation