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Testing the CIE system for mesopic photometry in a threshold detection experiment

Bodrogi, Peter Zsolt and Schiller, Christoph and Khanh, Tran Quoc :
Testing the CIE system for mesopic photometry in a threshold detection experiment.
In: Lighting Research and Technology (LRT), 48 (8) pp. 992-1004. ISSN 1477-0938
[Article] , (2016)

Abstract

Results from a mesopic threshold detection experiment using static, quasi-monochromatic, 2° incremental detection targets were used to test the International Commission on Illumination (CIE) recommended system for mesopic photometry based on visual performance. An experimental apparatus was built to produce different mesopic backgrounds (four different spectral compositions at two different luminances, 0.1 cd/m2 and 1.0 cd/m2) on which the targets were projected at different eccentricities (2.65° and 10°). The CIE system was tested by two methods, variability of mesopic threshold contrast for different target chromaticities and trend analysis for mesopic threshold contrast plotted against background mesopic luminance. The mesopic threshold contrast did not remain constant among the different target centroid wavelengths within a given viewing condition. The inter-observer variability of the mesopic contrast threshold dataset was considerable.

Item Type: Article
Erschienen: 2016
Creators: Bodrogi, Peter Zsolt and Schiller, Christoph and Khanh, Tran Quoc
Title: Testing the CIE system for mesopic photometry in a threshold detection experiment
Language: English
Abstract:

Results from a mesopic threshold detection experiment using static, quasi-monochromatic, 2° incremental detection targets were used to test the International Commission on Illumination (CIE) recommended system for mesopic photometry based on visual performance. An experimental apparatus was built to produce different mesopic backgrounds (four different spectral compositions at two different luminances, 0.1 cd/m2 and 1.0 cd/m2) on which the targets were projected at different eccentricities (2.65° and 10°). The CIE system was tested by two methods, variability of mesopic threshold contrast for different target chromaticities and trend analysis for mesopic threshold contrast plotted against background mesopic luminance. The mesopic threshold contrast did not remain constant among the different target centroid wavelengths within a given viewing condition. The inter-observer variability of the mesopic contrast threshold dataset was considerable.

Journal or Publication Title: Lighting Research and Technology (LRT)
Volume: 48
Number: 8
Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design > Light Technology
18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design
18 Department of Electrical Engineering and Information Technology
Date Deposited: 03 May 2016 16:33
Additional Information:

doi 10.1177/1477153515595672

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