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A feature extraction technique based on principal component analysis for pulsed Eddy current NDT

Sophian, Ali, Tian, Gui Yun, Taylor, D. and Rudlin, J. (2003) A feature extraction technique based on principal component analysis for pulsed Eddy current NDT. NDT & E International, 36 (1). pp. 37-41. ISSN 0963-8695

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Abstract

Pulsed Eddy current (PEC) is a new emerging NDT technique for sub-surface defect detection. The technique mainly uses the response peak value and arrival to detect and quantify the defects. This could suffer from noise and be not sufficient to extract more information about the defects, e.g. depth information of defects. This paper introduces the application of principal component analysis in extracting information from PEC responses. A comparative test carried out shows that the introduced technique has performed better than the conventional technique in the classification of defects

Item Type: Article
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Schools: School of Computing and Engineering
School of Computing and Engineering > Computer Graphics, Imaging and Vision Research Group
Depositing User: Briony Heyhoe
Date Deposited: 18 Sep 2008 12:33
Last Modified: 06 Jan 2011 09:24
URI: http://eprints.hud.ac.uk/id/eprint/1926

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