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Algorithm for extracting stop points from ships geospatial data

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Stop Points Extraction Algorithm for Ships Trajectories

Given a set of AIS geo-spatial data enriched with meta - data like speed and mmsi the algorithm calculates the stops point. Usually stop points for ships are near ports and they can be used for segmenting a time - based trip or an unordered set of points into meaningful stop - to - stop trajectories. An example can be found bellow.

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