Comparison method to differentiate between painted objects using polychromatic X-rays
Authors: Austin, J C; Day, C R; Kearon, A T; Evans, D L; Haycock, P W
Source: Insight - Non-Destructive Testing and Condition Monitoring, Volume 52, Number 3, March 2010 , pp. 140-143(4)
Abstract:X-radiography using the bremsstrahlung of a commercial broad spectrum X-ray source was used to quantify the differences and relationships between complex samples of unknown composition. The samples examined were painted and glazed ceramic mugs. The resulting pseudo-signatures were grey-level transmission spectra which can be usefully compared over a range of acceleration potential settings from 40 to 95 kV, taken at 1 kV intervals. These data are extracted from stacks of registered field-flattened X-ray images. It is shown that it is possible to differentiate between transmission spectra of the samples by concentrating mainly on the paint layers.
Document Type: Research article
Publication date: 2010-03-01
- Official Journal of The British Institute of Non-Destructive Testing - includes original research and devlopment papers, technical and scientific reviews and case studies in the fields of NDT and CM.
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