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17 January 2006 A technique for detecting metameric color areas for the investigation of historical materials
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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.
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Kimiyoshi Miyata, Hannu Laamanen, Timo Jaaskelainen, Markku Hauta-Kasari, and Jussi Parkkinen "A technique for detecting metameric color areas for the investigation of historical materials", Proc. SPIE 6062, Spectral Imaging: Eighth International Symposium on Multispectral Color Science, 60620L (17 January 2006); https://doi.org/10.1117/12.642930
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