2022 Volume 87 Issue 798 Pages 522-529
We conducted impression evaluations in an environment where the illuminance changed monotonically. Based on the correlation coefficients, we clarified that the following evaluation items were required for expressing the impression of a lighting environment that fluctuates over time: perception of quantitative changes, discomfort toward temporal fluctuations, difficulty of working during fluctuations, darkness of the desktop immediately after end of fluctuations, and glare of desktop immediately after the end of fluctuations. The degree to which the physical quantity was affected differed depending on the evaluation item. Thus, the relationship was regressed using a logistic function, and the contour figure is shown.
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