Effects of duration of presentation on legibility threshold for exposed lamp signs

Takashi Irikura, Yosuke Nishimura, Hitoshi Watanabe

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The time duration for which drivers observe signs while in motion is short; between 0.1-0.5 sec. The optimum brightness of exposed lamp signs and the legibility threshold for this short period recognition must differ from that for longer period recognition. This study is aimed at clarifying the relationship between duration of presentation for exposed lamp signs and legibility threshold. The results show that as duration of presentation decreases, legibility threshold increases, and the legibility threshold at duration of 0.1 sec. is double of that at 0.5 sec. Furthermore, as duration of presentation decreases from 0.5 to 0.03 sec., the quantity of light at the legibility threshold reduces.

本文言語English
ページ(範囲)XXXI-XXXII
ジャーナルJournal of Light and Visual Environment
25
2
DOI
出版ステータスPublished - 2001

ASJC Scopus subject areas

  • 電子工学および電気工学

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