Method, system and computer program for automatically detecting traffic circles on digital maps
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United States of America Patent
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Nov 5, 2019
Grant Date -
Jan 18, 2018
app pub date -
Sep 26, 2017
filing date -
Apr 2, 2015
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Abstract
A computer-implemented method for detecting a traffic circle on a digital map, the method comprising: detecting a cycle within a road graphic of the digital map; calculating a similarity of an internal angle of a corner of a polygon, which represents the geometry of the cycle, to an internal angle of a corresponding corner of a reference polygon; calculating a similarity indicator on the basis of the calculated similarity of the internal angle of all the corners of the polygon of the detected cycle; and, if the similarity indicator exceeds a predefined threshold value, defining the detected cycle as a traffic circle on the digital map.
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