System and method for updating, enhancing, or refining a geographic database using feedback
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Abstract
A method for updating a geographic database is disclosed. Data collecting equipment is installed in each of a plurality of vehicles each of which also has a navigation system. The data collection equipment is used to collect data while the vehicles are being driven along roads by their respective users. In addition, a method for assigning a confidence level to geographic data is disclosed. The confidence level is assigned to the geographic data as an attribute. In addition, a method for determining a position of a vehicle by sensing roadside structures is disclosed. Data indicating positions of roadside structures are contained in a geographic database. By matching positions of sensed roadside structures to data in the geographic database that indicates the positions of the structures, the position of the vehicle while traveling can be determined.
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Citations
45 Claims
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1-25. -25. (canceled)
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26. A method of collecting data for a geographic database comprising:
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using data collection equipment in each of a plurality of end users'"'"' vehicles to collect data while said end users'"'"' vehicles are being driven along roads;
sending at least a portion of the data collected by said data collection equipment to a central database; and
updating the central database using the portion of the data collected. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A system for collecting data for a geographic database comprising:
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data collection equipment installed in each of a plurality of end users'"'"' vehicles, wherein said data collection equipment is operable to collect data while said end users'"'"' vehicles are being driven along roads;
a central database;
a communications system that sends at least a portion of the data collected by said data collection equipment to a central database; and
a central geographic data manager that receives the portion of the data collected by said data collection equipment and updates the central database using the portion of the data collected. - View Dependent Claims (43)
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44. A method of collecting data for a central geographic database and improving quality of data contained in the central geographic database, wherein the method comprises a process that
uses end users'"'"' vehicles, suitable equipped with data collection equipment, to collect data while said end users'"'"' vehicles are being driven along roads, and thereafter sends at least a portion of the data collected by said data collection equipment to the central database where the central database is updated using the portion of the data collected, whereupon data from the updated database is used to provide navigation related features to at least some of the end users.
Specification