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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Discussion of EV Virtual Value Calculation Method for Light Environment Test System and Influence Factors of Calibration Experiment under Skylight
verfasst von : Yuan Zou, Tianxing Shen
Erschienen in: Business, Economics, Financial Sciences, and Management
Verlag: Springer Berlin Heidelberg
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During calibration and measure process, to enhance scientificity and controllability of the light environment test system, taking the digital camera used for picking up images in the system as research object, we studied calculation and deduction steps of EV virtual value comprehensively, calculation method and image selection procedures are also proposed. 2 main influence factors of the calibration experiment under skylight, including dynamic range and alternation of sun’s position are explored; meanwhile, the mechanism and prevent strategies of the factors are analyzed as well; the study has positive significance to improve stability and accuracy of the light environment test system.