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METHOD AND DEVICE FOR UPDATING MAP DATA

  • US 20080240513A1
  • Filed: 03/26/2008
  • Published: 10/02/2008
  • Est. Priority Date: 03/26/2007
  • Status: Abandoned Application
First Claim
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1. A method for updating map data, wherein each site on the map being associated with geographic data and at least one scene image captured at the site, the method comprising:

  • at each site, collecting video data and geographic data representing the position of the site;

    extracting a distinctive region from the scene image which represents the site on the basis of a predetermined criterion, and associating the distinctive region with the site;

    extracting from the video data at least one image which is captured at the site on the basis of the position of the site;

    matching the distinctive region and the extracted image to generate matching results; and

    updating the scene image using the image matched with the distinctive region as a updated image, in the case of the matching results indicating that the map data need to be updated.

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