Abstract
Explicit evaluation methods and suppression techniques for reflected glare have not been clarified in museum lighting. The purpose of this study is to elucidate the occurrence mechanism of reflected glare and to make use of its knowledge for future exhibitions in museums. In this paper, for the first step, we focused on the several factors, which were assumed to have an influence on the intensity of the reflected glare, such as the balance between ambient light levels for an exhibition room and target light levels for paintings, the Munsell value of paintings, and the amount of varnish coating. We conducted a subjective experiment in which the reflected glare on the replica paintings was evaluated by subjects aged in their 20s in an experimental room that was assumed to be an actual exhibit space. Based on the results of this experiment, we confirmed that the degree of reflected glare in museums could be roughly estimated from luminance distribution, reflectance, and glossiness of the paintings.
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