Image processing method for preventing lane deviation

Details Image processing method for preventing lane deviation Image processing method for preventing lane deviation

2005-02-01

2005-02-01

Mehta, Bhavesh M. (Department: 2625)

Image analysis

Applications

Vehicle or traffic control

C382S168000, C382S272000, C382S298000, C340S934000, C701S041000, C701S301000

Reexamination Certificate

active

06850629

ABSTRACT:
An image processing method comprises the steps of generating a road image by photographing a road on which a vehicle is traveling; performing a brightness averaging process of the road image; filtering the road image having undergone the brightness averaging process to detect lane markers; performing an inverse perspective process on the filtered road image; compressing the road image having undergone the inverse perspective process; determining slope in the lane markers from the compressed road image; determining a curvature in the road from the determined slope in the lane markers; and determining a drive direction and a lane deviation of the vehicle.

REFERENCES:
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patent: 6310546 (2001-10-01), Seta
patent: 6549642 (2003-04-01), Sakurai
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patent: 20030122930 (2003-07-01), Schofield et al.
patent: 20040022417 (2004-02-01), Nishigaki et al.

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