Best Practices for Road Weather Management Version 2.0
Title:
Video Cameras Focus on Visibility
Abstract:
A researcher has developed a technique for automatically measuring visibility with video cameras. The camera is aligned to detect contrasting portions of targets in order to generate a signal indicative of contrast levels. A processor uses the signal to compute visibility. Prototype system is currently installed on northbound Highway 35 near Duluth, Minnesota.
Source(s):
ITS Institute Sensor, Fall 1999 issue
Date: 1999
Author:
University of Minnesota ITS Institute
Keywords:
Environmental Sensor Station (ESS)
Visibility
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