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System and method of using automatically-identified prominent establishments in driving directions

  • US 8,688,377 B1
  • Filed: 02/17/2012
  • Issued: 04/01/2014
  • Est. Priority Date: 02/17/2012
  • Status: Expired due to Fees
First Claim
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1. A method of generating turn-by-turn directions, the method comprising:

  • receiving, by a server, a request for turn-by-turn directions, the request including a first location and a second location;

    identifying a route between the first location and the second location;

    identifying a plurality of placemarks that are located along the route, the plurality of placemarks each including a visible characteristic that is associated with the placemark;

    accessing an image corresponding to a location along the route;

    identifying the visible characteristic within the image that corresponds to at least one of the plurality of placemarks, the visible characteristic having an area associated therewith;

    accessing depth information to determine a distance of the visible characteristic from the image'"'"'s location;

    multiplying the area of the visible characteristic within the image by a depth factor to determine a physical size of the visible characteristic;

    determining an identifiability score for the visible characteristic of the placemarks based, at least in part, on the determined physical size of the visible characteristic;

    selecting at least one of the plurality of placemarks based on the visible characteristic'"'"'s identifiability score; and

    generating, by the server, a set of turn-by-turn directions that includes the selected placemark.

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