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Display daylight ambient contrast measurement methods and daylight readability
Author(s) -
Kelley Edward F.,
Lindfors Max,
Penczek John
Publication year - 2006
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1889/1.2393026
Subject(s) - daylight , skylight , sunlight , readability , contrast (vision) , optics , reflection (computer programming) , sky , remote sensing , computer science , environmental science , diffuse sky radiation , physics , geology , meteorology , scattering , geography , programming language , archaeology
— Two composite metrics to characterize display reflection, contrast, and readability under daylight illumination is proposed. A measurement of the reflection under directed illumination simulating the sun is combined with a measurement of the reflection under uniform diffuse illumination to simulate the sky. The measurements are performed separately in a laboratory, and then the measurement results are combined and scaled to daylight levels with attention to the proper spectra involved for the skylight and sunlight.

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