Driver assistance system and operating procedure for the latter
AssigneeGM Global Technology Operations LLC
InventorsGerald SCHMIDT, Marco MOEBUS
Life of this patent
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Abstract
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.
Claims18
1-15. (canceled)
A driver assistance system for automatically controlling a headlamp on a vehicle comprising:
- a camera arranged on a 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 a 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.
The driver assistance system according to 16 wherein the headlamp comprises a high beam and a low beam, and wherein the evaluation unit adjusts the headlamp from the high beam to the low beam.
A method for automatically controlling a headlamp on a vehicle comprising:
- receiving an image of the environment lying ahead of the vehicle;
- scanning the image for a first bright zone that depicts an actuated vehicle headlamp;
- scanning the image for a second bright zone that is larger and less bright than the image of an activated vehicle headlamp;
- adjusting the headlamp upon detecting at least one of the first bright zone and;
- and the second bright zone.
Dependencies are inferred from the claim text.