Traffic Monitoring
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United States of America Patent
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Issued Date -
Sep 16, 2010
app pub date -
Sep 3, 2008
filing date -
Sep 5, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of monitoring traffic on a road comprising capturing a plurality of images of the road using a camera mounted on a viewing point and associating a time of capture with each image, determining, from the captured images, the positions of the portions of the road surface visible from the viewpoint at the front and rear extremities of the extent of a vehicle in the captured images at two different times; and determining from the positions and the times of the instants at least one characteristic of the vehicle or its motion, such as the vehicle length, speed or a vehicle classification (truck, car, motorcycle, etc).
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