SHAPE RECOGNITION
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United States of America Patent
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Mar 2, 2017
app pub date -
Aug 25, 2015
filing date -
Aug 25, 2015
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Abstract
A method for computer recognition of a shape described by a path. The method includes: obtaining a parameterized version of the path having a plurality of points; calculating a plurality of tangent angles for the plurality of points; determining a distribution for the plurality of tangent angles; obtaining a plurality of reference distributions for a plurality of reference shapes; comparing the distribution with the plurality of reference distributions; and matching, based on the comparing, the shape to one of the plurality of reference shapes.
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