Patent ReferencesVisually guided vehicle Automatic running work vehicle System and method for calculating movement direction and position of an unmanned vehicle Method and apparatus for detecting traveling position and/or direction of an unmanned vehicle Apparatus for guiding movement of an unmanned moving body Boundary detecting method and apparatus for automatic working vehicle Patent #: 4868752 InventorAssigneeApplicationNo. 334033 filed on 04/06/1989US Classes:701/301, Collision avoidance348/116, Direction finding or location determination348/118, Land vehicle701/28Having image processingExaminersPrimary: Chin, GaryAttorney, Agent or FirmInternational ClassG06F 015/50AbstractAn image processing method operates on an image from a ccd camera viewing a roadway scene in front of a vehicle to detect lane markers and determine the relationship of the vehicle to the lane. Obstacles in the lane near the vehicle are detected and a warning is given to the driver. The method uses template matching techniques or a Hough algorithm to detect the lane markers or road edges.Other References
Field of SearchWITH MEANS FOR CONTROLLING OPERATION RESPONSIVE TO ELECTROMAGNETIC RADIATION, MAGNETIC FORCE, OR SOUND WAVES RECEIVED FROM SOURCE, OR REFLECTED FROM OBJECT OR SURFACE, LOCATED APART FROM VEHICLEHaving controlling means adapted to interact with stationary means which describes course of vehicle's travel Radiation, force, or waves reflected from external object or surface Land vehicles Selective starting and/or stopping | |