LANE DEPARTURE WARNING METHOD AND SYSTEM USING VIRTUAL LANE-DIVIDING LINE
First Claim
Patent Images
1. A lane departure warning system of a vehicle, comprising:
- a camera unit for generating an image;
an image processing unit for generating a detected lane-dividing line from the image, and generating a virtual lane-dividing line when the detected lane-dividing line has not been generated or has been erroneously generated; and
a warning unit for giving a warning to a passenger of the vehicle according to a decision that the vehicle is deviating from a driving lane, the decision is made on the basis of the detected lane-dividing line and the virtual lane-dividing line.
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Abstract
The present invention relates to a lane departure warning system and method, which use a virtual lane-dividing line generated using lane width information that is calculated using previously detected lane-dividing lines even when it is difficult to detect a lane-dividing line according to the weather, illuminance, road surface conditions, etc. present during travel of a vehicle, thus allowing a lane departure warning to be provided to a driver on the basis of the virtual lane-dividing line.
48 Citations
15 Claims
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1. A lane departure warning system of a vehicle, comprising:
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a camera unit for generating an image; an image processing unit for generating a detected lane-dividing line from the image, and generating a virtual lane-dividing line when the detected lane-dividing line has not been generated or has been erroneously generated; and a warning unit for giving a warning to a passenger of the vehicle according to a decision that the vehicle is deviating from a driving lane, the decision is made on the basis of the detected lane-dividing line and the virtual lane-dividing line. - View Dependent Claims (2, 3, 4, 5)
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6. A lane departure warning method, comprising:
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generating a detected lane-dividing line; determining whether the detected lane-dividing line has been detected to the satisfaction of preset lane conditions; if it is determined that the lane-dividing line has not been detected or has been erroneously detected, generating a virtual lane-dividing line on an opposite side spaced apart from one of a left lane-dividing line and a right lane-dividing line by a width of a lane; determining whether a vehicle is deviating from a driving lane; and if it is determined that the vehicle is deviating from the driving lane, generating a warning signal. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A lane departure warning system of a vehicle, comprising:
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a camera unit for generating an image; an image processing unit; and a warning unit for giving a warning to a passenger of the vehicle according to a decision that the vehicle is deviating from a driving lane. - View Dependent Claims (13, 14, 15)
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Specification