Method and arrangement for mapping a road
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United States of America Patent
Stats
-
Feb 25, 2003
Grant Date -
N/A
app pub date -
Jul 19, 2001
filing date -
Jul 19, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Arrangement and method for mapping a road during travel of a vehicle having two data acquisition modules arranged on sides of the vehicle, each including a GPS receiver and antenna for enabling the vehicle's position to be determined and a linear camera which provides one-dimensional images of an area on the respective side in a vertical plane perpendicular to the road such that information about the road is obtained from a view in a direction perpendicular to the road. A processor unit forms a map database of the road by correlating the vehicle's position and the information about the road. Instead of or in addition to the linear cameras, scanning laser radars are provided and transmit waves downward in a plane perpendicular to the road and receive reflected waves to provide information about distance between the laser radars and the ground for use in forming the database.
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