Affiliation:
1. Department of Electrical and Electronic Engineering, University of Nottingham
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.
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics
Reference9 articles.
1. Marsden, A.M. , Ph.D. thesis, University of Nottingham (1968).
2. Brightness Perception in Complex Fields
Cited by
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