Robust Null Broadening Beamforming Based on Covariance Matrix Reconstruction via Virtual Interference Sources.
Jian YangJian LuXinxin LiuGuisheng LiaoPublished in: Sensors (2020)
Keyphrases
- covariance matrix
- covariance matrices
- estimation error
- principal component analysis
- mahalanobis distance
- sample size
- eigenvalues and eigenvectors
- geometrical interpretation
- multivariate gaussian
- normal distribution
- correlation matrix
- eigendecomposition
- blind source separation
- positive definite
- image reconstruction
- objective function
- image segmentation
- symmetric matrix