Hybrid metaheuristic method of ABC kernel filtering for nonlinear acoustic echo cancellation

DC Diana, MJ Carline - Applied Acoustics, 2023 - Elsevier
This research work uses nonlinear kernel adaptive filtering to eliminate echo, a type of voice
that is undesirable and communicated over the microphone. Adaptive filters enable the …

Kernel Generalized half-quadratic correntropy conjugate gradient algorithm for online prediction of chaotic time series

H Xia, W Ren, M Han - Circuits, Systems, and Signal Processing, 2023 - Springer
Kernel adaptive filter armed with information theoretic learning has gained popularity in the
domain of time series online prediction. In particular, the generalized correntropy criterion …

An Online Two-Stage Classification Based on Projections

A Song, Y Wang, S Luan - Circuits, Systems, and Signal Processing, 2024 - Springer
Kernel-based online classification algorithms, such as the Perceptron, NORMA, and passive-
aggressive, are renowned for their computational efficiency but have been criticized for slow …

Fixed order implementation of kernel RLS-DCD adaptive filters

K Nishikawa, Y Ogawa, F Albu - 2013 Asia-Pacific Signal and …, 2013 - ieeexplore.ieee.org
In this paper, we propose an efficient structure of the kernel recursive least squares (KRLS)
adaptive filters for implementing with low and fixed amount of computational complexity. The …

An efficient implementation of the kernel affine projection algorithm

F Albu, D Coltuc, M Rotaru… - 2013 8th International …, 2013 - ieeexplore.ieee.org
An efficient implementation of the kernel affine projection algorithm Page 1 An efficient
implementation of the kernel affine projection algorithm Felix Albu, Dinu Coltuc, Marius Rotaru …

Low variance adaptation method for the LMS-type adaptive filters based on the gaussian model

K Nishikawa - 2019 IEEE International Symposium on Circuits …, 2019 - ieeexplore.ieee.org
In this paper, we propose a method to lower the variance of the coefficients of the LMS-type
adaptive filters in the noisy environments. In the method, each coefficient of the adaptive …

The influence of Gaussian kernel width on indoor and outdoor radio channels identification from binary output measurements

R Fateh, A Darif, S Safi - International Journal of Information …, 2023 - inderscienceonline.com
With the rapid evolution of digital communication systems and channels identification; there
is a significant interest in the finite impulse response (FIR) filter theory, which has strong …

Implementation method of kernel adaptive filter as an add-on for a linear adaptive filter

K Nishikawa, F Albu - 2015 23rd European Signal Processing …, 2015 - ieeexplore.ieee.org
In this paper, we propose a novel structure for implementing a kernel adaptive filter as an
add-on component for a linear adaptive filter. The kernel adaptive filter has been proposed …

A block-based combined scheme exploiting sparsity in nonlinear acoustic echo cancellation

D Comminiello, M Scarpiniti… - 2016 IEEE 26th …, 2016 - ieeexplore.ieee.org
Nonlinear acoustic echo cancellation (NAEC) aims at estimating both the acoustic impulse
response and the nonlinearities affecting the desired signal. Both the modeling processes …

Adaptive kernel bandwidth method for kernel normalized lms adaptive algorithm

K Nishikawa, F Albu, D Coltuc… - 2017 21st International …, 2017 - ieeexplore.ieee.org
In this paper, an adaptive adjustment method for the kernel parameter used in the kernel
adaptive filters (KAFs) is proposed. The KAF is one of the linear-in-the-parameters (LIP) …