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. © 2013 Springer-Verlag.
CITATION STYLE
MacDonald, L., Giacometti, A., Campagnolo, A., Robson, S., Weyrich, T., Terras, M., & Gibson, A. (2013). Multispectral imaging of degraded parchment. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7786 LNCS, pp. 143–157). https://doi.org/10.1007/978-3-642-36700-7_12
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