公开(公告)号：US09659497B2

公开(公告)日：2017-05-23

申请号：US13932164

申请日：2013-07-01

Applicant: LG INNOTEK CO., LTD.

Inventor： Jeong Woo Woo ,  Ki Dae Kim ,  Babu Manohar ,  Raghubansh B. Gupta

IPC: G06K9/00 ,  G08G1/16 ,  G05D1/00 ,  B60R21/00 ,  B60R1/00 ,  G06T7/00 ,  H04N7/00

CPC classification number: G08G1/167 ,  G06K9/00798

Abstract: A lane departure warning system includes an image photographing unit attached to a front of a vehicle to photograph an object in a forward direction of the vehicle; a driving unit receiving image data from the image photographing unit, filtering the image data to search for a lane pair, converting an image coordinate of the image data into a real coordinate to calculate a lateral distance between the lane pair and the vehicle and to calculate a lateral speed of the vehicle, and generating a warning generating signal as a time of lane change elapses by obtaining the time of lane change; and a warning unit receiving the warning generating signal to generate a lane departure warning signal.