[HTML][HTML] Relevance of polynomial matrix decompositions to broadband blind signal separation

S Redif, S Weiss, JG McWhirter - Signal processing, 2017 - Elsevier
The polynomial matrix EVD (PEVD) is an extension of the conventional eigenvalue
decomposition (EVD) to polynomial matrices. The purpose of this article is to provide a …

Sequential matrix diagonalization algorithms for polynomial EVD of parahermitian matrices

S Redif, S Weiss, JG McWhirter - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
For parahermitian polynomial matrices, which can be used, for example, to characterize
space-time covariance in broadband array processing, the conventional eigenvalue …

A polynomial eigenvalue decomposition MUSIC approach for broadband sound source localization

AOT Hogg, VW Neo, S Weiss, C Evers… - 2021 IEEE Workshop …, 2021 - ieeexplore.ieee.org
Direction of arrival (DoA) estimation for sound source localization is increasingly prevalent in
modern devices. In this paper, we explore a polynomial extension to the multiple signal …

Space-time covariance matrix estimation: Loss of algebraic multiplicities of eigenvalues

FA Khattak, S Weiss, IK Proudler… - 2022 56th Asilomar …, 2022 - ieeexplore.ieee.org
Parahermitian matrices in almost all cases admit an eigenvalue decomposition (EVD) with
analytic eigenvalues. This decomposition is key in order to extend the utility of the EVD from …

Multiple shift maximum element sequential matrix diagonalisation for parahermitian matrices

J Corr, K Thompson, S Weiss… - … IEEE Workshop on …, 2014 - ieeexplore.ieee.org
A polynomial eigenvalue decomposition of paraher-mitian matrices can be calculated
approximately using iterative approaches such as the sequential matrix diagonalisation …

Enhancement of noisy reverberant speech using polynomial matrix eigenvalue decomposition

VW Neo, C Evers, PA Naylor - IEEE/ACM Transactions on …, 2021 - ieeexplore.ieee.org
Speech enhancement is important for applications such as telecommunications, hearing
aids, automatic speech recognition and voice-controlled systems. Enhancement algorithms …

Compact order polynomial singular value decomposition of a matrix of analytic functions

MA Bakhit, FA Khattak, IK Proudler… - 2023 IEEE 9th …, 2023 - ieeexplore.ieee.org
This paper presents a novel method for calculating a compact order singular value
decomposition (SVD) of polynomial matrices, building upon the recently proven existence of …

Second order sequential best rotation algorithm with householder reduction for polynomial matrix eigenvalue decomposition

VW Neo, PA Naylor - ICASSP 2019-2019 IEEE International …, 2019 - ieeexplore.ieee.org
The Second-order Sequential Best Rotation (SBR2) algorithm, used for Eigenvalue
Decomposition (EVD) on para-Hermitian polynomial matrices typically encountered in …

Support estimation of analytic eigenvectors of parahermitian matrices

F Khattak, IK Proudler, S Weiss - … International Conference on …, 2022 - ieeexplore.ieee.org
Extracting analytic eigenvectors from parahermitian matrices relies on phase smoothing in
the discrete Fourier transform (DFT) domain as its most expensive algorithmic component …

Scalable extraction of analytic eigenvalues from a parahermitian matrix

FA Khattak, IK Proudler, S Weiss - 2024 32nd European Signal …, 2024 - ieeexplore.ieee.org
In order to determine the analytic eigenvalues of a parahermitian matrix, the state-of-the-art
algorithm offers proven convergence but its complexity grows factorially with the matrix …