Low-rank covariance matrix tapering for robust adaptive beamforming.
Michael RübsamenChristian GerlachAlex B. GershmanPublished in: ICASSP (2008)
Keyphrases
- low rank
- covariance matrix
- convex optimization
- covariance matrices
- matrix factorization
- missing data
- singular value decomposition
- linear combination
- principal component analysis
- semi supervised
- sample size
- high dimensional data
- high order
- singular values
- kernel matrix
- objective function
- eigendecomposition
- correlation matrix
- dimensionality reduction
- higher order
- collaborative filtering
- nearest neighbor
- active learning
- blind source separation
- similarity measure