Advances in Damage Visualization Algorithm of Ultrasonic Propagation Imaging System

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This paper presents recent advances in damage visualization algorithms of laser generated ultrasonic propagation imaging(UPI) system. An effective damage evaluation method is required to extract correct information from raw data to properly characterize anomalies present in structure. A temporal-reference free imaging system provides easy and rapid defect inspection capability with less computational complexity. In this paper a number of methods such as ultrasonic wave propagation imaging(UWPI), anomalous wave propagation imaging(AWPI), ultrasonic spectral imaging(USI), wavelet ultrasonic propagation imaging(WUPI), variable time window amplitude mapping(VTWAM), time point adjustment(TPA), time of flight and amplitude mapping(ToF&Amp) and ultrasonic wavenumber imaging(UWI) are discussed with instances of successful implementation on various structures.
Publisher
한국비파괴검사학회
Issue Date
2013
Language
English
Citation

비파괴검사학회지, v.33, no.2, pp.232 - 240

ISSN
1225-7842
URI
http://hdl.handle.net/10203/202897
Appears in Collection
AE-Journal Papers(저널논문)
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