Method and a device for the registration of the movement of a vehicle
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United States of America Patent
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May 26, 1998
Grant Date -
N/A
app pub date -
Jul 23, 1996
filing date -
May 28, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A device and method for registering the displacement of a vehicle using a video camera device located above the ground and including a pair of cameras spaced parallel to the ground and directed to record on their respective image planes areas of the ground which overlap at least partly whereby there are produced in the cameras pairs of stereo records. These pairs of stereo records are utilized in an image processing of the mutual locations of contrast fields within the contour of the vehicle for comparison. The contrast fields are located at different height levels above the ground so that evaluation of at least one of the fields may be used in the image processing as an indicator in tracking the displacement of the vehicle for successive positions of displacement to be registered.
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