PEDESTRIAN TRACKING AT A TRAFFIC INTERSECTION TO IDENTIFY VULNERABLE ROADWAY USERS FOR TRAFFIC SIGNAL TIMING, PEDESTRIAN SAFETY, AND TRAFFIC INTERSECTION CONTROL
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United States of America Patent
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app pub date -
Mar 27, 2017
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May 9, 2016
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Abstract
Pedestrian detection and counting for traffic intersection control analyzes characteristics of a field of view of a traffic detection zone to determine a location and size of a pedestrian area, and applies protocols for evaluating pixel content in the field of view to identify individual pedestrians. The location and size of a pedestrian area is determined based either on locations of vehicle and bicycle detection areas or on movement of various objects within the field of view. Automatic pedestrian speed calibration with a region of interest for pedestrian detection is accomplished using lane and other intersection markings in the field of view. Detection and counting further includes identifying a presence, volume, velocity and trajectory of pedestrians in the pedestrian area of the traffic detection zone.
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