Maximum Entropy-Based Interference-Plus-Noise Covariance Matrix Reconstruction for Robust Adaptive Beamforming.
Saeed MohammadzadehVítor H. NascimentoRodrigo C. de LamareOsman KukrerPublished in: IEEE Signal Process. Lett. (2020)
Keyphrases
- covariance matrix
- covariance matrices
- estimation error
- principal component analysis
- gaussian mixture
- mahalanobis distance
- positive definite
- sample size
- speech enhancement
- geometrical interpretation
- noise reduction
- objective function
- noise level
- pseudo inverse
- signal to noise ratio
- noise model
- eigendecomposition
- eigenvalues and eigenvectors
- correlation matrix
- class conditional densities
- information theory
- noisy environments
- image reconstruction
- missing data
- image processing
- mahalanobis metric
- multivariate gaussian
- maximum likelihood
- transformation matrix