Method and apparatus for estimating distances in a region
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United States of America Patent
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Apr 12, 2005
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N/A
app pub date -
Jun 19, 2002
filing date -
Jun 19, 2002
priority date (Note) -
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Abstract
Some embodiments of the invention provide a method that computes an estimated distance between an external point and a set of points in a region. This method initially identifies a non-Manhattan polygon that encloses the set of points. It then identifies a distance between the external point and a point on the boundary or within the first non-Manhattan polygon. Finally, it uses the distance to identify the estimated distance.
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