Quantifying anomalous behavior by identifying anomalies at subtrajectories
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United States of America Patent
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Jun 12, 2018
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app pub date -
Jun 23, 2015
filing date -
Jun 23, 2015
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Abstract
Methods and arrangements for identifying at least one anomaly in a path taken by a plurality of objects. A plurality of trajectories are input, wherein each trajectory comprises a data set indicative of a path taken by a plurality of objects from a starting point to an ending point, wherein the starting point and ending point are substantially similar for each trajectory. A plurality of sub-trajectories within the input trajectories are identified. There are identified, within the plurality of sub-trajectories, a set of sub-trajectories that are anomalous when compared to other sub-trajectories within the plurality of sub-trajectories, wherein the anomalous sub-trajectories deviate from a predetermined standard. A maximal anomalous sub-trajectory is identified from among the identified set of anomalous sub-trajectories. Other variants and embodiments are broadly contemplated herein.
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