Computing a similarity measure over moving object trajectories

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United States of America Patent

PATENT NO 9747805
APP PUB NO 20150039217A1
SERIAL NO

13955146

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Abstract

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Methods and arrangements for measuring similarity with respect to moving object trajectories. First and second moving object trajectories are input, each trajectory being defined by at least two spatial dimensions and a temporal dimension. At least one segment is defined with respect to each trajectory, each segment being defined between two defining points. At least one segment from the first trajectory is matched with at least one segment from the second trajectory. A spatial distance and temporal distance are each computed between the at least one segment from the first trajectory and the at least one segment from the second trajectory. The spatial distance and temporal distance are combined to provide a measure of a spatio-temporal distance between the at least one segment from the first trajectory and the at least one segment from the second trajectory. Other variants and embodiments are broadly contemplated herein.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deshpande, Prasad M Bangalore, IN 27 332
Padmanabhan, Deepak S Bangalore, IN 21 229
Raghavan, Sriram Bangalore, IN 37 406
Ranu, Sayan Bangalore, IN 5 181
Telang, Aditya D Bangalore, IN 1 7

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