Signal processing techniques applied to human sleep EEG signals—A review

S Motamedi-Fakhr, M Moshrefi-Torbati, M Hill… - … Signal Processing and …, 2014 - Elsevier
A bewildering variety of methods for analysing sleep EEG signals can be found in the
literature. This article provides an overview of these methods and offers guidelines for …

Blind detection of photomontage using higher order statistics

TT Ng, SF Chang, Q Sun - 2004 IEEE International Symposium …, 2004 - ieeexplore.ieee.org
We investigate the prospect of using bicoherence features for blind image splicing detection.
Image splicing is an essential operation for digital photomontaging, which in turn is a …

[HTML][HTML] Methodologies for modeling and identification of breathing crack: A review

S Ganguly - MethodsX, 2023 - Elsevier
Swift development of technology for monitoring complex structures demands major attention
on the precision of damage detection methods. The early detection of any type of …

Assessment of local faults in helical geared system using vibro-acoustic signals based on higher order spectrum analysis

V Gunasegaran, M Amarnath, H Chelladurai… - Applied Acoustics, 2023 - Elsevier
Geared transmission system plays an important role in modern technology to transmit both
power and motion. The power transmission and control requirements in manufacturing …

Vibration acoustic modulation for bolt looseness monitoring based on frequency-swept excitation and bispectrum

N Zhao, H Linsheng, G Song - Smart Materials and Structures, 2023 - iopscience.iop.org
The monitoring of bolt looseness is crucial to ensure the safety and reliability of structures.
Prior studies have demonstrated that the vibro-acoustic modulation (VAM) method based on …

The bispectrum and its relationship to phase-amplitude coupling

CK Kovach, H Oya, H Kawasaki - Neuroimage, 2018 - Elsevier
Most biological signals are non-Gaussian, reflecting their origins in highly nonlinear
physiological systems. A versatile set of techniques for studying non-Gaussian signals relies …

A novel fault diagnosis technique for enhancing maintenance and reliability of rotating machines

A Yunusa-Kaltungo, JK Sinha… - Structural Health …, 2015 - journals.sagepub.com
Equipment standardisation as a cost-effective means of rationalising maintenance spares
has significantly increased the existence of several identical (similar components and …

Nonlinear imaging of damage in composite structures using sparse ultrasonic sensor arrays

F Ciampa, SG Pickering, G Scarselli… - Structural Control and …, 2017 - Wiley Online Library
In different engineering fields, there is a strong demand for diagnostic methods able to
provide detailed information on material defects. Low velocity impact damage can …

Detection of local defect resonance frequencies using bicoherence analysis

S Roy, T Bose, K Debnath - Journal of Sound and Vibration, 2019 - Elsevier
The nonlinear acoustic wave spectroscopy and defectometry (NAWSD) technique is found to
be an efficient tool for monitoring intricate and complex defects in composite structures due …

HOS-based nonparametric and parametric methodologies for machine fault detection

TWS Chow, HZ Tan - IEEE Transactions on Industrial …, 2000 - ieeexplore.ieee.org
A framework for the detection and identification of machine faults through vibration
measurements and higher order statistics (HOS) analysis is presented. As traditional signal …