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Lookup NU author(s): Professor Gui Yun TianORCiD, Dr Maxim Morozov
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This paper investigates current feature extraction techniques for pulsed eddy current NDT including peak value and peak time, spectral characteristics analysis, principal component analysis (PCA) projection coefficient and response shape curvature. Experimental study has been undertaken on samples with artificial surface and subsurface defects and metal thickness changes. Based on a comparative study of the feature extraction techniques, the most suitable features and their combination are discussed. The present study will provide a framework for future applications comprising the characterisation of real defects and stress profiles in engineering components.
Author(s): Zhou DQ, Tian GY, Zhang BQ, Morozov M, Wang HT
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Nondestructive Testing and Evaluation: Far East NDT Forum
Year of Conference: 2010
Pages: 133-143
ISSN: 1058-9759
Publisher: Taylor & Francis Ltd.
URL: http://dx.doi.org/10.1080/10589750802687580
DOI: 10.1080/10589750802687580
Library holdings: Search Newcastle University Library for this item
ISBN: 14772671
