期刊
LEUKOS
卷 11, 期 4, 页码 223-230出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15502724.2015.1036164
关键词
colorimetry in caves; color in cave art; lighting cave art; lighting cultural heritage; photochemical damage; tuneable LED lighting
资金
- Science and Innovation Ministry of Spain [HAR 2012-31929]
This article aims to find an optimal solution for illuminating cave art, based on the improvement of color reproduction and minimizing the damage caused by visible radiation on the painting. To improve visual perception, a light source with optimal spectral distribution has been calculated. This spectral distribution minimizes the damage, maximizes the colorimetric distance between the color of the rock paintings and the closer stone, and takes into account how it was lit by the author. A mathematical function has been used to optimize the spectral distribution of the light source. With this aim, a tunable red-green-blue (RGB) light emitting diode (LED) luminaire has been used. It has been found that the new calculated lighting of the cave does not alter the environmental conditions by performing a test of algae growth and thermographic measurements.
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