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ThinkMind // GEOProcessing 2016, The Eighth International Conference on Advanced Geographic Information Systems, Applications, and Services // View article geoprocessing_2016_4_10_30078


A Method for Calculating Shape Similarity among Trajectory of Moving Object Based on Statistical Correlation of Angular Deflection Vectors

Authors:
Alexandre Altair de Melo
Glaucio Scheibel
Fabiano Baldo
Fernando José Braz

Keywords: Moving Objects; Trajectory; Similarity; Correlation Statistics.

Abstract:
In recent years, mobile electronic devices, specially smartphones, are gaining more attention in people's daily life. These devices provide many features that often process information gathered by one of their several built-in sensors. Among them, one of the most popular is the Global Positioning System (GPS) receiver. This sensor allows the systematic and chronological collection of location information that represents the trajectory of the moving object that carries it. Trajectories are considered valuable sources of information for analysing and understanding of moving objects' behavior. There is a considerable number of researches that analyse objects' trajectories. Among them, the identification of trajectories' similarity is one where researches are currently being developed. The similarity of trajectories may indicate common behaviors inside groups of individuals that can be useful in various application areas. However, how to measure the trajectories' similarity even though they are in different directions and far from each other? Trying to solve this problem, this paper proposes a method to calculate similarity among trajectories applying statistical correlation over their vectors of angular deflections. Preliminary results indicate that the method can identify similarity in shape among trajectories. However, when their shapes are too complex, it can not reach suitable results.

Pages: 63 to 68

Copyright: Copyright (c) IARIA, 2016

Publication date: April 24, 2016

Published in: conference

ISSN: 2308-393X

ISBN: 978-1-61208-469-5

Location: Venice, Italy

Dates: from April 24, 2016 to April 28, 2016

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