Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Patent
1996-03-07
1999-03-30
Zanelli, Michael
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
701301, 348118, G01B 1114, G05D 102
Patent
active
058900837
ABSTRACT:
Apparatus is provided for determining the distance of a vehicle from a roadway side marking. An arrangement of light sensitive sensor elements is fitted to the vehicle for optically scanning a portion of the roadway located in front of the vehicle. An evaluation unit, connected downstream of the sensor element arrangement, is also provided. Only one or a few sensor element lines are used as the sensor element arrangement. Each line scans a narrow strip of the roadway which runs in front of the vehicle, not parallel to the vehicle longitudinal axis, and extends laterally as far as the roadway side marking. The evaluation unit reads each sensor element line sequentially and processes the received signals to determine the lateral distance of the vehicle from the roadway marking. The relatively small quantity of data which accumulates permits the processing of the data digitally in real time by a conventional microprocessor. The apparatus is used as sleep warning system or lane guard for motor vehicles.
REFERENCES:
patent: 4630109 (1986-12-01), Barton
patent: 4905151 (1990-02-01), Weiman et al.
patent: 4970653 (1990-11-01), Kenue
patent: 5661472 (1997-08-01), Koshizawa
IT + TI Informationstechnik und Technische Informatik, vol. 36, No. 1, Feb. 1, 1994, pp. 16-24 by V. Graefe entitled "Echtzeit-Bildverarbeitung fur ein Fahrer-Unterstutzungssystem zum Einsatz auf Autobahnen".
IEEE Transactions of Industrial Electronics, vol. 39, No. 3, Jun. 1, 1992, pp. 181-188 by J. Manigel et al. entitled "Vehicle Control by Computer Vision".
Franke Uwe
Hahn Stefan
Daimler - Benz AG
Zanelli Michael
LandOfFree
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