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Publication Detail
Colour Analysis of Degraded Parchment
  • Publication Type:
    Conference
  • Authors:
    Macdonald L, Giacometti A, Weyrich TA, Terras M, Gibson A
  • Publication date:
    08/07/2013
  • Status:
    Accepted
  • Name of conference:
    12th International Congress of the International Colour Association (AIC 2013)
  • Conference place:
    Newcastle Upon Tyne
  • Conference start date:
    08/10/2013
  • Conference finish date:
    12/10/2013
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.
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