Eliminating the permutation ambiguity of convolutive blind source separation by using coupled frequency bins

K **e, G Zhou, J Yang, Z He… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Blind source separation (BSS) is a typical unsupervised learning method that extracts latent
components from their observations. In the meanwhile, convolutive BSS (CBSS) is …

A tensor framework for nonunitary joint block diagonalization

D Nion - IEEE Transactions on Signal Processing, 2011 - ieeexplore.ieee.org
This paper introduces a tensor framework to solve the problem of nonunitary joint block
diagonalization (JBD) of a set of real or complex valued matrices. We show that JBD can be …

Convolutive blind source separation for communication signals based on the sliding Z-transform

Y Jia, P Xu - IEEE Access, 2020 - ieeexplore.ieee.org
Convolutive blind source separation (CBSS) is one of the main branches in the field of
intelligent signal processing. Inspired by the thought of sliding discrete Fourier transform …

Gradient-based joint block diagonalization algorithms: Application to blind separation of FIR convolutive mixtures

H Ghennioui, N Thirion-Moreau, E Moreau… - Signal Processing, 2010 - Elsevier
This article addresses the problem of the non-unitary joint block diagonalization of a given
set of complex matrices. Two new algorithms are provided: the first is based on a classical …

A wavefront adaptive sensing beamformer for ocean acoustic waveguides

A Ganti, M Martinez, G Hickman, J Krolik - The Journal of the …, 2023 - pubs.aip.org
This paper addresses robust adaptive beamforming for passive sonar in uncertain, shallow-
water environments. Conventional beamforming is still common in passive sonar because …

A decoupled Jacobi-like algorithm for non-unitary joint diagonalization of complex-valued matrices

V Maurandi, E Moreau - IEEE Signal Processing Letters, 2014 - ieeexplore.ieee.org
We consider the problem of non-orthogonal joint diagonalization of a set of complex
matrices. This appears in many signal processing problems and is instrumental in source …

Algorithms for nonorthogonal approximate joint block-diagonalization

P Tichavsky, Z Koldovsky - 2012 Proceedings of the 20th …, 2012 - ieeexplore.ieee.org
Approximate joint block diagonalization (AJBD) of a set of matrices has applications in blind
source separation, eg, when the signal mixtures contain mutually independent subspaces of …

Convolutive blind source separation based on joint block Toeplitzation and block-inner diagonalization

XF Xu, DZ Feng, WX Zheng, H Zhang - Signal Processing, 2010 - Elsevier
This paper takes a close look at the block Toeplitz structure and block-inner diagonal
structure of auto correlation matrices of source signals in convolutive blind source …

Non-orthogonal tensor diagonalization

P Tichavský, AH Phan, A Cichocki - Signal Processing, 2017 - Elsevier
Tensor diagonalization means transforming a given tensor to an exactly or nearly diagonal
form through multiplying the tensor by non-orthogonal invertible matrices along selected …

Jacobi like algorithm for non-orthogonal joint diagonalization of Hermitian matrices

V Maurandi, E Moreau… - 2014 IEEE International …, 2014 - ieeexplore.ieee.org
In this paper, we consider the problem of non-orthogonal joint diagonalization of a set of
hermitian matrices. This appears in many blind signal processing problems as source …