Method and system for obtaining lane data

Details Method and system for obtaining lane data Method and system for obtaining lane data

2005-02-01

2005-02-01

Chin, Gary (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C340S995100, C340S995140

Reexamination Certificate

active

06850841

ABSTRACT:
A method for collecting data for a geographic database is disclosed. A plurality of vehicles moving on roads in a geographic region collects data indicating position of the vehicle. For a location on a selected road, the method obtains a cross sectional distribution of the position data. The method identifies a number of steps in the distribution indicating a number of lanes on the selected road and updates the geographic database with data indicating the number of lanes.

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