Method of determining trajectories through one or more junctions of a transportation network
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United States of America Patent
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Oct 24, 2017
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N/A
app pub date -
Nov 25, 2013
filing date -
Nov 23, 2012
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Abstract
A method of determining trajectories (1810-1813) through at least one junction of a transportation network for display on a visual representation of a digital map, the digital map comprising data that is a digital representation of the transportation network. The method comprises obtaining positional information relating to the movement of a plurality of mobile devices with respect to time on the transportation network through an area (1801) comprising the at least one junction, the border of the area being divided into a plurality of segments. The positional information is used to create an entry histogram (1802) by determining a count of positional information that enters the area at each segment of the border and an exit histogram (1804) by determining a count of positional information that exits the area at each segment of the border; the histograms subsequently being used to define one or more entry (1806) and exits (1808) gates into and out of the area (1801). A trajectory through the area is assigned to pairs of entry and exit gates using the positional information.
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