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Proceedings Paper

A technique for detecting metameric color areas for the investigation of historical materials
Author(s): Kimiyoshi Miyata; Hannu Laamanen; Timo Jaaskelainen; Markku Hauta-Kasari; Jussi Parkkinen
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Paper Abstract

The spectral reflectance of icons is measured using a measurement system developed in our previous study, and it is applied to detect metameric color areas in the icons. In this paper, a technique for detecting metameric color areas is proposed and examined by using a test chart and ten icons painted on wooden plates. In the proposed technique, a coefficient showing the degree of metamerism is proposed; based on the definition of metamerism whereby two stimuli can match in color while having different spectral reflectance functions. The experimental results can then be used to consider which parts of the icons have previously been repainted as restoration treatments. Despite the necessity of further consideration using certain chemical analyses and so on to conclude whether or not the experimental results are reliable, they demonstrate that the proposed technique has the basic ability to detect metameric color areas.

Paper Details

Date Published: 17 January 2006
PDF: 8 pages
Proc. SPIE 6062, Spectral Imaging: Eighth International Symposium on Multispectral Color Science, 60620L (17 January 2006); doi: 10.1117/12.642930
Show Author Affiliations
Kimiyoshi Miyata, The National Museum of Japanese History (Japan)
Hannu Laamanen, Univ. of Joensuu (Finland)
Timo Jaaskelainen, Univ. of Joensuu (Finland)
Markku Hauta-Kasari, Univ. of Joensuu (Finland)
Jussi Parkkinen, Univ. of Joensuu (Finland)

Published in SPIE Proceedings Vol. 6062:
Spectral Imaging: Eighth International Symposium on Multispectral Color Science
Mitchell R. Rosen; Francisco H. Imai; Shoji Tominaga, Editor(s)

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