18 August 1995 Quantitative evaluation of the uniformity for an automotive head lamp beam pattern
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Proceedings Volume 2622, Optical Engineering Midwest '95; (1995) https://doi.org/10.1117/12.216783
Event: Optical Engineering Midwest '95, 1995, Chicago, IL, United States
A method of evaluating the uniformity of an illumination pattern of an automotive head lamp on a road surface is presented. The most critical area where the beam pattern uniformity can be identified is the high intensity region. In this area two evaluating parameters, correlation set, and contrast level are discussed. In a low intensity region of the illumination pattern, the same principle can be applied.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ben Wang, Ben Wang, Douglas Frederick Kreysar, Douglas Frederick Kreysar, Jianzhong Jiao, Jianzhong Jiao, } "Quantitative evaluation of the uniformity for an automotive head lamp beam pattern", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); doi: 10.1117/12.216783; https://doi.org/10.1117/12.216783


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