Brightness-luminance relationships in an interior
Open Access
- 1 March 1970
- journal article
- research article
- Published by SAGE Publications in Lighting Research & Technology
- Vol. 2 (1) , 10-16
- https://doi.org/10.1177/14771535700020010401
Abstract
Some four thousand numerical estimates of the brightness of the various objects, room surfaces and sources in a particular interior, under different lighting conditions, have been made by thirty-six observers. Details of this experiment are given in this paper, the precision of brightness measurement is discussed and the resulting irregular brightness-luminance relationships are presented. These results are examined together with those of related brightness studies and a pair of simple power-law relationships are put forward which are considered adequate approximations for interior lighting design purposes.Keywords
This publication has 5 references indexed in Scilit:
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- Scales of Apparent BrightnessTransactions of the Illuminating Engineering Society, 1966
- A Proposed Luminance Basis for a Lighting CodeTransactions of the Illuminating Engineering Society, 1965
- Theory of brightness and color contrast in human visionVision Research, 1964