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ROAD ESTIMATION DEVICE AND METHOD FOR ESTIMATING ROAD

  • US 20120128217A1
  • Filed: 11/22/2011
  • Published: 05/24/2012
  • Est. Priority Date: 11/24/2010
  • Status: Active Grant
First Claim
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1. A road estimation device configured to receive data including a core point from an external object, the core point being assigned along a road and being assigned with attributes for identifying the road, the road estimation device further configured to extract a link pertinent to a road represented by the core point for estimating the road on a map, the road estimation device comprising:

  • a map data input unit configured to input map data including links having attributes corresponding to the attributes of the core point; and

    a link narrowing down unit configured to narrow down the links into a candidate link being candidate of the road represented by the core point from the map data, according to the attributes of the link and a shape-relevant attribute of the attributes of the core point, the shape-relevant attribute being relevant to a road shape,wherein the link narrowing down unit is further configured to;

    set a search area for the core point;

    extract links in the search area; and

    narrow down the links into the candidate link according to parallel road information being the shape-relevant attribute.

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