Reverberant signal separation using optimized complex sparse nonnegative tensor deconvolution on spectral covariance matrix.
Wai Lok WooSatnam Singh DlayAhmed Al-TmemeBin GaoPublished in: Digit. Signal Process. (2018)
Keyphrases
- covariance matrix
- covariance matrices
- principal component analysis
- objective function
- tensor factorization
- sample size
- mahalanobis distance
- least squares
- high order
- geometrical interpretation
- multivariate gaussian
- gaussian mixture
- correlation matrix
- image restoration
- speech signal
- eigendecomposition
- eigenvalues and eigenvectors
- positive definite
- gaussian distribution
- laplacian matrix
- vector space