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VEHICLE NAVIGATION SYSTEMS AND METHODS

  • US 20090005977A1
  • Filed: 06/27/2008
  • Published: 01/01/2009
  • Est. Priority Date: 06/29/2007
  • Status: Abandoned Application
First Claim
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1. A vehicle navigation system comprising:

  • a GPS signal processor for receiving GPS signals, and for obtaining an unadjusted navigation position according to the GPS signals;

    an image processing module for capturing a plurality of pictures of an area surrounding a vehicle, and for acquiring a reference position according to the plurality of pictures;

    a memory for storing a predetermined offset between the reference position and the unadjusted navigation position;

    a microprocessor for calculating an offset between the reference position and the unadjusted navigation position, and for comparing the offset with the predetermined offset, wherein the microprocessor determines an adjustment signal upon the condition that the offset is larger than or equal to the predetermined offset;

    a navigation adjusting module for adjusting the unadjusted navigation position according the adjustment signal into an adjusted navigation position; and

    a display module for displaying the adjusted navigation position on an electronic map.

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