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Trade magazine discussion of the need for better sunlight-readability measurement methods based upon ambient contrast measurements. Diffuse reflectance measurements and directed illumination measurements are combined and scaled to daylight levels to provide daylight contrasts of displays.
Kelley, E.
(2007),
Reflections on Sunlight-or Daylight-Readability, Information Display, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32557
(Accessed December 7, 2023)