The research documented in this report analyzed detection capabilities of a trip-wire video image processing system in a freeway setting. Count and speed accuracy, as well as occlusion, were parameters of interest in field testing at Texas A&M University's Riverside Campus research facility. Testing analyzed three camera heights in conjunction with three passenger car speeds 32 km/h (20 mph), 72 km/h (45 mph) and 88 km/h (55 mph). The video image processing system used in the study was the Autoscope (trademark) 2004. Findings of this research include pertinent information related to camera mounting locations, limitations of video detection technology, and cost information related to replacing inductive loop detectors with video.


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