| 摘要 |
Devices, methods and systems are disclosed herein to describe a lane departure warning system that warns the driver that the vehicle is about to leave a current lane and enter an adjacent lane. The driver of the vehicle is identified, and a corresponding profile is accessed. The driver's pupils may be measured and compared to pupil size data stored in the accessed profile. If the difference in pupil size exceeds a certain threshold, then the vehicle may activate a passive lane departure detector that warns the driver each time the vehicle is getting too close to an adjacent lane, thus alerting the driver that the vehicle may be unintentionally drifting into the next lane. Additional driving tendencies, such as steering angles and braking force, may also be used to determine whether the driver may benefit from lane departure assistance and whether to trigger activation of the lane departure detector.
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