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Pedestrian mapping system

  • US 8,000,892 B2
  • Filed: 06/12/2007
  • Issued: 08/16/2011
  • Est. Priority Date: 06/12/2007
  • Status: Expired due to Fees
First Claim
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1. A method of identifying a representation of at least one route for guiding a user comprising the following steps:

  • providing a computer readable medium having instructions for causing a computer to execute the method;

    generating a start and end point;

    generating a safety factor;

    providing route data comprising segments, safety ratings, and lengths wherein each segment has an associated safety rating and length;

    determining at least one route between the start and end point from the route data and the safety factor;

    wherein the at least one route is determined by selecting a series of at least one segment that has a lowest weight compared to the weight of at least one other series of at least one other segment wherein the weight of each segment is calculated by an equation that uses a non-linear relationship between the route data and the safety factor;

    wherein the equation comprises;


    weight=(length)/((safety rating)^(safety factor));

    andidentifying a representation of the at least one route.

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