SYSTEM AND METHOD FOR IN VEHICLE LANE DETERMINATION USING CMOS IMAGE SENSOR
First Claim
1. A method for vehicle lane determination for a vehicle traveling in a multi-lane roadway, comprisingimaging the roadway with a CMOS sensor positioned in the vehicle,processing said image to determining the vehicle'"'"'s position relative to markings in the roadway anddetermining the lane of travel of the vehicle.
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Accused Products
Abstract
A system and method for vehicle lane determination using a CMOS image sensor camera to take periodic (or continuous) images of the road ahead of a vehicle. Using image processing techniques by counting how many road stripes or lines are to the left and right of the vehicle the current lane could be determined of that vehicle. Other information could also be determined by looking to see if the lines are solid or striped. Further embodiments include the use of a cellular telephone as the image sensor and to transit position information to a back office.
26 Citations
13 Claims
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1. A method for vehicle lane determination for a vehicle traveling in a multi-lane roadway, comprising
imaging the roadway with a CMOS sensor positioned in the vehicle, processing said image to determining the vehicle'"'"'s position relative to markings in the roadway and determining the lane of travel of the vehicle.
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6. A system for relaying vehicle location and lane position on a multiple lane roadway to a central office for tolling purposes, comprising:
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an on board unit comprising a GPS receiver, and a cellular telephone comprising a camera and a computer, wherein, said on board unit tracks vehicle location, said cellular telephone is mounted in the vehicle such that said camera can photograph the roadway, said on board unit transmits position information to said cellular phone and said cellular phone transmits position information relative to fixed geo-data and lane information to the central office. - View Dependent Claims (7, 8, 9)
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10. A method for relaying vehicle location and lane position on a multiple lane roadway to a central office for tolling purposes, comprising:
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tracking vehicle location with an on-board unit, imaging the roadway with a cellular telephone is mounted in the vehicle, determining lane information from said imaging, transmitting vehicle position information from said on-board unit to said cellular phone and transmitting position information relative to fixed geo-data and lane information to the central office via said cellular telephone. - View Dependent Claims (11, 12, 13)
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Specification