映像情報メディア学会誌
Online ISSN : 1881-6908
Print ISSN : 1342-6907
ISSN-L : 1342-6907
夜間走行を想定した低照度環境下における物体の認識率と認識時間の年代差
細田 健太郎郭 星大橋 剛介下平 美文
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2005 年 59 巻 12 号 p. 1851-1854

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To determine the differences in the visual characteristics between people in their twenties and those in their sixties under low-illuminance conditions, assuming night driving conditions, we measured the recognition ratios and recognition time of subjects by changing the presentation position, the size, the luminance, and the contrast of a Landolt. A Landolt is the circle which is cut off like alphabet “C”, and is used as the eye testing chart. By analyzing the data, we found that the recognition ratio of both age groups increased as the background luminance increased with a constant contrast, or as the contrast increased with a constant background luminance.

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