Vehicle attitude angle calculating device, and lane departure warning system using same
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United States of America Patent
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Sep 1, 2015
Grant Date -
Dec 27, 2012
app pub date -
Feb 9, 2011
filing date -
Mar 17, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A vehicle attitude angle calculating device finds a yaw angle of a vehicle with reference to a lane stably without using information on a road vanishing point even in the state where a vehicle pitch angle varies. The vehicle attitude angle calculating device includes: a dividing line detection unit that detects a dividing line from image information received from a vehicle-mounted imaging device, the image information being a captured image of an outside of a vehicle; a distance calculation unit that calculates a distance between the dividing line and the optical axis of the vehicle-mounted imaging device every predetermined processing period; and a vehicle angle calculation unit that calculates a dividing line angle based on the calculated distance between the dividing line and the optical axis of the vehicle-mounted imaging device and a vehicle proceeding distance where the vehicle proceeds during a predetermined processing period.
First Claim
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International Classification(s)
- H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION
- G06T:IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- B60R:VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT ....
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- G08G:TRAFFIC CONTROL SYSTEMS
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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