Driver visibility quality : comparison of visibility quality meter data with human visual performance.

Author(s)
Merritt, J.O. Miller, J.C. & Kerr, S.K.
Year
Abstract

The objective of this investigation was to calibrate the performance of a Visibility Quality Meter (VQM) against a measure of human contrast perception. The VQM quantifies a meaningful aspect of driver visibility quality, modulation transfer. Data were collected from 28 volunteers who represented younger and older United States driving populations. Various simulations of driving-related optical degradation (fogged and iced windshields) were interposed between a subject or the VQM and a visual target. The calibration took the form of qualitative and quantitative comparisons of VQM to human modulation across a wide range of spatial frequencies for the different degradation conditions.

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Publication

Library number
B 19901 MF [electronic version only]
Source

Washington, D.C., U.S. Department of Transportation DOT, National Highway Traffic Safety Administration NHTSA, 1980, 61 p.; DOT HS 805 496

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