NDLI: Measuring Similarity between Vehicle Speed Records Using Dynamic Time Warping

Content Provider	IEEE Xplore Digital Library
Author	Tin, T.T. Hien, N.T. Vo Thanh Vinh
Copyright Year	2015
Description	Author affiliation: Faculity of Inf. Technol., Ton Duc Thang Univ., Ho Chi Minh City, Vietnam (Tin, T.T.; Hien, N.T.; Vo Thanh Vinh)
Abstract	Measuring similarity between vehicle speed records play an important role in real-time applications for controlling speed of vehicles as well as early detection of vehicles running with abnormal speed. In this paper, we present a novel approach to this problem by exploiting GPS data collected from vehicle-tracking devices installed in vehicles. Vehicle-tracking devices continuously transmit speed and location of corresponding vehicles by a certain time interval, 10 or 20 seconds for instance. The novelty of our approach is that we use dynamic time wraping technique (DTW) to measure the similarity between two time series of speeds from two vehicles on the same segment of road or highway. By using this technique, DTW distance gives more information about speed changing of vehicles than the other methods. We also conduct experiments to show relations between differentiation in averaged speed and the DTW distance from two vehicles running on the same highway.
Starting Page	168
Ending Page	173
File Size	431593
Page Count	6
File Format	PDF
ISBN	9781467380133
DOI	10.1109/KSE.2015.69
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-08
Publisher Place	Vietnam
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Roads Time series analysis Dynamic time warping Time series Time series of velocities Time measurement Vehicle dynamics Speed variation motif Vehicles Global Positioning System Distance measure
Content Type	Text
Resource Type	Article

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