VEHICLE LANE KEEPING ASSIST METHOD AND DEVICE

Provided are a lane keeping assist method and device. The lane keeping assist method performed by a lane keeping assist device includes: determining whether there is a tunnel through information acquired by a traveling vehicle; recognizing a lighting and a lighting line through a front camera in the traveling vehicle; checking lane condition and lane visibility information; calculating a corrected lane based on the lane condition and lane visibility information; and performing central control of the traveling vehicle based on the corrected lane.