STABLE COLOUR APPEARANCE AMONG CHANGE IN THE DIFFUSENESS OF ILLUMINATION (OP09, 50-54)
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- Conference Proceeding by Commission Internationale de L'Ecl
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The appearance of object surface could be largely influenced by lighting conditions and object materials, but it has not been systematically analysed. We examined how the colour appearance of object surface was influenced by the diffuseness of lighting in real miniature rooms. We used two miniature rooms illuminated by a diffused light and a direct light, respectively. We presented a test sample with sine-wave surface which depths were 1.0 mm, 0.5 mm and 0 mm. Both glossy and matte surface materials with five colours were prepared for the samples. Observers judged the colour appearance of colour samples by selecting their corresponding colours. The results of corresponding colour for test samples were similar under both diffused and direct lighting conditions. These results suggest that the colour appearance of samples that we tested was quite stable among the change in material and illumination.
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