A review of wavelet analysis and its applications: Challenges and opportunities

T Guo, T Zhang, E Lim, M Lopez-Benitez, F Ma… - IEEe …, 2022 - ieeexplore.ieee.org
As a general and rigid mathematical tool, wavelet theory has found many applications and is
constantly developing. This article reviews the development history of wavelet theory, from …

Compatibility and challenges in machine learning approach for structural crack assessment

I Omar, M Khan, A Starr - Structural Health Monitoring, 2022 - journals.sagepub.com
Structural health monitoring and assessment (SHMA) is exceptionally essential for
preserving and sustaining any mechanical structure's service life. A successful assessment …

Increased range of ultrasonic guided wave testing of overhead transmission line cables using dispersion compensation

M Legg, MK Yücel, V Kappatos, C Selcuk, TH Gan - Ultrasonics, 2015 - Elsevier
Abstract Overhead Transmission Line (OVTL) cables can experience structural defects and
are, therefore, inspected using Non-Destructive Testing (NDT) techniques. Ultrasonic …

An ultrasonic guided wave approach for the inspection of overhead transmission line cables

MK Yücel, M Legg, V Kappatos, TH Gan - Applied Acoustics, 2017 - Elsevier
Inspection of overhead transmission line cables is performed using various non-destructive
testing techniques, such as visual, temperature, and eddy current-based inspection; yet …

[PDF][PDF] Feature selection techniques for identifying the most relevant damage indices in SHM using Guided Waves

M El Mountassir, S Yaacoubi, J Ragot… - Proceedings of the …, 2016 - researchgate.net
Feature selection techniques aim to evaluate feature's importance and select the most
relevant ones. This paper concerns the selection of features in order to perform a reliable …

A novel flaw detection approach in carbon steel pipes through ultrasonic guided waves and optimized transformer neural networks

MF Flores Cuenca, AK Malikov, J Kim, Y Cho… - Journal of Mechanical …, 2024 - Springer
In the present study, ultrasonic guided wave testing (UGWT) is used as a nondestructive
inspection technique to identify flaws in carbon steel pipe. The selection of a wave mode in …

基于PCA 和不变矩的三维物体识别算法研究

钟志伟, 徐贵力, 王彪, 郭瑞鹏, 田裕鹏, 李开宇 - 计算机与现代化, 2013 - cam.org.cn
在计算机视觉问题的研究中, 针对基于矩的目标识别算法实时性不高的问题,
本文分析主分量分析法(PCA) 在目标快速识别算法中的应用, 提出基于Jan Flusser …

[PDF][PDF] Comparative evaluation of artificial neural networks models to classify weld flaws using pulse-echo ultrasonic signals

GA Guarneri, FN Junior, LVR de Arruda - 22nd International Congress …, 2013 - abcm.org.br
The present work evaluates several artificial neural networks models, based on Multilayer
Perceptron, Radial Basis Function and Self-organizing Maps, to classify defects in the weld …

[PDF][PDF] Classification of Brain Tumors Using Principal Component Analysis and PNN Classifier

D Ketkar - Proceedings of 12th IRF International Conference, 2015 - digitalxplore.org
There are several number of diseases which are entering in human life due to modern
lifestyle, unhealthy food. Also there is no control on fast food eatables. If medical field can …

[图书][B] Flaw detection on Tainter gate post-tensioned anchorages utilizing gradient boosting through wavelet decomposition feature extraction

JD Ray - 2020 - search.proquest.com
As the nation's infrastructure continues to age, there is a growing need for methodsto safely
inspect critical structures, often during operation. The failure of post-tensionedanchor rods in …