19 December 2013 UGR (Unified Glare Rating) measuring system based on digital camera platform
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Abstract
Starting from three aspects, the paper introduces the reason and effects of glare and displays a kind of Unified Glare Rating(UGR) measuring system. Our research is dependent on the standard made by CIE and the UGR formula put forward by Sorensen, make use of digital camera, programming and digital image processing and develop a set of UGR measuring system. After testing, we find it able to measure indoor UGR and get repeatable results, which are close to the examples in CIEll7—1995 technical report. Hopefully, what the paper introduces can promote the implement of UGR standard and be avail to the simplification of the process of lighting quality evaluation.
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Weiwei Wang, Zhaofeng Cen, Yang Yang, "UGR (Unified Glare Rating) measuring system based on digital camera platform", Proc. SPIE 9046, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 90460B (19 December 2013); doi: 10.1117/12.2037804; https://doi.org/10.1117/12.2037804
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