Driver assistance system and operating procedure for the latter

摘要

A driver assistance system is disclosed which automatically control the high and low beam of a headlamp on a vehicle. The system includes a camera and an image evaluation unit configured to search images acquired by the camera for initial bright zones that correspond with an activated vehicle headlamp, and to switch the headlamp from a high beam to a low beam upon detecting both a first bright zone and a second bright zone that is larger and less bright than the image of the activated vehicle headlamp.

主权项

1. A driver assistance system for automatically controlling a headlamp on a vehicle comprising:
a camera arranged on the vehicle to acquire images ahead of the vehicle; and an image evaluation unit configured to search the images acquired by the camera for an initial bright zone representing an activated vehicle headlamp, and to adjust the headlamp on the vehicle when both a first bright zone and a second bright zone that is larger and less bright than the image of an activated vehicle headlamp are detected, wherein the image evaluation unit is configured to detect a second bright zone only when its portion of the image surface is smaller than that of a dark zone (S2, S3).