Accuracy of a reference instrument for specular gloss measurements

Tiecheng Li; Lei Lai; Leibing Shi; Dejin Yin; Fangsheng Lin; Ming Xia; Weihai Cheng

doi:10.1117/12.2245814

19 October 2016 Accuracy of a reference instrument for specular gloss measurements

Tiecheng Li, Lei Lai, Leibing Shi, Dejin Yin, Fangsheng Lin, Ming Xia, Weihai Cheng

Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 1015517 (2016) https://doi.org/10.1117/12.2245814
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Specular gloss is the perception by an observer of the mirror-like appearance of a surface. The measurement of specular gloss consists of comparing the luminous flux reflected from an object to that reflected from a gloss reference standard. The accuracy of specular gloss measurements depends not only on the characteristics of the instrument but also on the properties of the gloss reference standard. Experiments have been performed to analyze the possible sources of error such as gloss reference standard variation, photodetector linearity and measurement repeatability, which are three most important components of uncertainty. The results indicate that the instrument should be carefully examined before the specular gloss measurement in order to acquire a satisfied result.

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Tiecheng Li, Lei Lai, Leibing Shi, Dejin Yin, Fangsheng Lin, Ming Xia, and Weihai Cheng "Accuracy of a reference instrument for specular gloss measurements", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015517 (19 October 2016); https://doi.org/10.1117/12.2245814

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Photodetectors

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