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Colour analysis of degraded parchment

Macdonald, LW; Giacometti, A; Weyrich, T; Terras, M; Gibson, A; (2013) Colour analysis of degraded parchment. In: MacDonald, LW and Westland, S and Wuerger, S, (eds.) the Proceedings of the 12th Congress. (pp. p. 173). AIC Green open access

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Abstract

Multispectral imaging was employed to collect data on the degradation of an 18th century parchment by a series of physical and chemical treatments. Each sample was photographed before and after treatment by a monochrome digital camera with 21 narrow-band filters. A template-matching technique was used to detect the circular holes in each sample and a four-point projective transform to register the 21 images. Colour accuracy was verified by comparison of reconstructed spectra with measurements by spectrophotometer.

Type: Proceedings paper
Title: Colour analysis of degraded parchment
Event: 12th Congress of the International Colour Association (AIC)
Location: Newcastle
Dates: 2013-07-08 - 2013-07-12
Open access status: An open access version is available from UCL Discovery
Publisher version: http://www.aic-color.org/congr.htm
Language: English
Additional information: This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Parchment, Multispectral imaging, Degradation, Colour analysis
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities > Centre for Editing Lives and Letters
URI: https://discovery.ucl.ac.uk/id/eprint/1397764
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