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Terahertz frequency-wavelet domain deconvolution for stratigraphic and subsurface investigation of art painting

Dong, J., Jackson, J. B., Melis, M., Giovanacci, D., Walker, G. C., Locquet, A., Bowen, J. W. and Citrin, D. S. (2016) Terahertz frequency-wavelet domain deconvolution for stratigraphic and subsurface investigation of art painting. Optics Express, 24 (23). pp. 26972-26985. ISSN 1094-4087

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To link to this item DOI: 10.1364/OE.24.026972

Abstract/Summary

Terahertz frequency-wavelet deconvolution is utilized specifically for the stratigraphic and subsurface investigation of art paintings with terahertz reflective imaging. In order to resolve the optically thin paint layers, a deconvolution technique is enhanced by the combination of frequency-domain filtering and stationary wavelet shrinkage, and applied to investigate a mid-20th century Italian oil painting on paperboard, After Fishing, by Ausonio Tanda. Based on the deconvolved terahertz data, the stratigraphy of the painting including the paint layers is reconstructed and subsurface features are clearly revealed, demonstrating that terahertz frequencywavelet deconvolution can be an effective tool to characterize stratified systems with optically thin layers.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:67306
Publisher:Optical Society of America

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