Patent ID: 9286805
Filing Date: 2016-03-15
CPC Classification: G06K,G06T,G08G

Claim Text:
1. A lane departure warning system, comprising: an image sensing device, arranged for generating a video; an identification module, coupled to the image sensing device, arranged for referring to the video to identify a plurality of lane lines corresponding to at least one lane and accordingly generating an identification result, wherein the identification result is generated based on specific borderlines of the lane lines; and a determination module, coupled to the identification module, arranged for determining a determination strategy according to vehicle speed information, and generates a determination result according to the determination strategy and the identification result; wherein the lane departure warning system determines whether to issue a warning according to the determination result; wherein when the vehicle speed information indicates that a speed of a vehicle is within a first speed range, the determination module selects an aggressive determination strategy; and when the vehicle speed information indicates that the speed of the vehicle is within a second speed range which is different from the first speed range, the determination module selects a defensive determination strategy; and compared with the defensive determination strategy, the aggressive determination strategy makes the determination module generate the determination result which indicates the vehicle has departed from lane when the identification module identifies fewer lanes.