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Method of recognizing intersecting point in navigation system

  • US 20070208504A1
  • Filed: 02/09/2007
  • Published: 09/06/2007
  • Est. Priority Date: 03/06/2006
  • Status: Abandoned Application
First Claim
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1. A method of recognizing an intersecting point in a navigation system, the method comprising:

  • a first step of extracting road type information from a road DB if it is determined as an intersecting point in a map DB;

    a second step of extracting road width information and traffic lane information depending on the extracted road type from the road DB;

    a third step of extracting GPS error information and map error information from a memory; and

    a fourth step of calculating the size of the intersecting point based on the extracted GPS error information, map error information, road width information and traffic lane information and recognizing the intersecting point.

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