Multispectral Imaging of Degraded Parchment

  • Lindsay MacDonald
  • Alejandro Giacometti
  • Alberto Campagnolo
  • Stuart Robson
  • Tim Weyrich
  • Melissa Terras
  • Adam Gibson
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7786)

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, with the objective of assessing algorithms for recovery of text from the images. 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.

Keywords

multispectral imaging manuscript spectral analysis parchment 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Lindsay MacDonald
    • 1
  • Alejandro Giacometti
    • 1
  • Alberto Campagnolo
    • 2
  • Stuart Robson
    • 3
  • Tim Weyrich
    • 4
  • Melissa Terras
    • 5
  • Adam Gibson
    • 1
  1. 1.Dept. of Medical Physics & Bioengineering, Faculty of EngineeringUniversity College LondonUK
  2. 2.Ligatus Research Centre, Camberwell College of ArtUniversity of the Arts LondonUK
  3. 3.Dept. of Geomatic EngineeringUniversity College LondonUK
  4. 4.Department of Computer ScienceUniversity College LondonUK
  5. 5.Centre for Digital HumanitiesUniversity College LondonUK

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