Equivalent veiling luminance caused by small glare light source near the visual line

Takashi Irikura, Tetsuo Taniguchi, Yoshiro Aoki

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

An experiment was conducted on the degradation of visibility when affected by glare light sources near the visual line, to examine the effects of glare light source size and eccentricity, and background luminance on the equivalent veiling luminance. In this experiment, a circular glare light source of diameter 3 to 27 minutes was presented near the visual line of an observer. Landolt rings were employed as test objects on a screen panel. When the size of the glare light source was relatively small, the rate of degradation in visibility depended on not only the luminous intensity of the light but also its siz.

Original languageEnglish
Pages (from-to)22-27
Number of pages6
JournalJournal of Light & Visual Environment
Volume19
Issue number1
DOIs
Publication statusPublished - 1995
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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