Apparatus for detecting an object located ahead of a vehicle using plural cameras with different fields of view
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United States of America Patent
Stats
-
Apr 6, 1999
Grant Date -
N/A
app pub date -
Sep 27, 1996
filing date -
Sep 29, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An onboard forward monitoring system is disclosed in which three television cameras, each supported by a steering mechanism, take picture of a road surface located forward of a vehicle at near distance, a medium distance and a far distance zone to detect white lines which partition a lane on the road surface, thus detecting a vehicle running ahead on the lane which is defined by the white lines. To enable a reliable detection and tracking of the vehicle running ahead in any zone of the road surface even when the road is curved, the individual television cameras are steered so that a vehicle running ahead is positioned at the center of the screen whenever such vehicle is present and so that a center across the width of the lane is positioned at the center of screen when a vehicle running ahead is not detected.
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