Generalized Subspace Snoring Signal Enhancement Based on Noise Covariance Matrix Estimation.
Li DingJianxin PengYanmei JiangLijuan SongPublished in: Circuits Syst. Signal Process. (2021)
Keyphrases
- signal subspace
- correlation matrix
- covariance matrix
- estimation error
- covariance matrices
- eigenvalue decomposition
- relative entropy
- principal component analysis
- symmetric matrix
- pseudo inverse
- principal components analysis
- sample size
- eigenvalues and eigenvectors
- principal components
- mahalanobis distance
- eigendecomposition
- objective function
- image processing
- gaussian mixture
- geometrical interpretation
- transformation matrix
- blind source separation
- singular value decomposition