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Capacitive imaging using fused amplitude and phase information for improved defect detection

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Amato, Silvio, Hutchins, David A., Yin, Xiaokang, Ricci, Marco and Laureti, Stefano (2021) Capacitive imaging using fused amplitude and phase information for improved defect detection. NDT & E International, 124 . 102547. doi:10.1016/j.ndteint.2021.102547

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WRAP-Capacitive-imaging-amplitude-phase-improved-defect-detection-2021.pdf - Accepted Version
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Official URL: https://doi.org/10.1016/j.ndteint.2021.102547

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Abstract

This paper introduces an improved image processing method useable in capacitive imaging applications. Standard capacitive imaging tends to prefer amplitude-based images over the use of phase due to better signal-to-noise ratios. The new approach exploits the best features of both types of information by combining them to form clearer images, hence improving both defect detection and characterization in non-destructive evaluation. The methodology is demonstrated and optimized using a benchmark sample. Additional experiments on glass fibre composite sample illustrate the advantages of the technique.

Item Type: Journal Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Engineering
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Nondestructive testing, Imaging systems, Materials -- Defects
Journal or Publication Title: NDT & E International
Publisher: Elsevier
ISSN: 0963-8695
Official Date: December 2021
Dates:
DateEvent
December 2021Published
24 September 2021Available
20 September 2021Accepted
Volume: 124
Article Number: 102547
DOI: 10.1016/j.ndteint.2021.102547
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
722134 – NDTonAIR[ERC] Horizon 2020 Framework Programmehttp://dx.doi.org/10.13039/100010661

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