SYSTEM AND METHOD FOR MAP MATCHING WITH SENSOR DETECTED OBJECTS
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United States of America Patent
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Issued Date -
Sep 10, 2009
app pub date -
Feb 3, 2009
filing date -
Feb 4, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method for map matching with sensor detected objects. A direct sensor and object matching technique can be used to disambiguate objects that the driver passes. The technique also makes it possible for the navigation system to refine (i.e. improve the accuracy of) its position estimate. In some embodiments, a camera in the car can be used to produce, dynamically in real time, images of the vicinity of the vehicle. Map and object information can then be retrieved from a map database, and superimposed on those images for viewing by the driver, including accurately defining the orientation or the platform so that the alignment of the map data and the image data is accurate. Once alignment is achieved, the image can be further enhanced with information retrieved from the database about any in-image objects. Objects may be displayed accurately on a map display as icons that help the driver as he/she navigates the roads.
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