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Spatial-time-step features fusion algorithm in Eddy current pulsed thermography

Lookup NU author(s): Professor Bin Gao, Dr Wai Lok Woo, Professor Gui Yun TianORCiD


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© 2017 IEEE. Eddy Current Pulsed Thermograph (ECPT) has received extensive attention due to high sensitivity detection with surface and subsurface cracks. However, it has unsolved detection problem of blind defect location without any prior knowledge. This paper presents a spatial-time-step features fusion algorithm to obtain defects reconstruction of whole specimen by blind scanning. The proposed method is intended to use features extraction by independent component analysis (ICA) and features selection by skewness. Finally, the optimal feature of each step is fused to obtain defects reconstruction image by using common orthogonal basis extraction (COBE). Experiments have been conducted to validate this study and it shows that this algorithm has a great effect on feature selection.

Publication metadata

Author(s): Xiao X, Gao B, Woo WL, Tian G-Y, Gu J

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Far East NDT New Technology and Application Forum (FENDT 2017)

Year of Conference: 2017

Pages: 237-240

Online publication date: 24/12/2018

Acceptance date: 02/04/2016

Publisher: IEEE


DOI: 10.1109/FENDT.2017.8584604

Library holdings: Search Newcastle University Library for this item

ISBN: 9781538616154