NDLI: Evaluation of velocity fields via sparse bus probe data in urban areas

Content Provider	IEEE Xplore Digital Library
Author	Bejan, A.I. Gibbens, R.J.
Copyright Year	2011
Description	Author affiliation: Computer Laboratory, University of Cambridge, 15 JJ Thomson Avenue, Cambridge CB3 0FD, UK (Bejan, A.I.; Gibbens, R.J.)
Abstract	The goal of this paper is to investigate how sparse public transport data such as bus data might be used in evaluating congestion in urban areas and in providing better information for road users and traffic managers. With this aim we use the well known concept of a velocity field and, building on our previous work, we specifically show how velocity fields can be usefully reconstructed from sparse bus data. Buses provide good coverage of cities and, increasingly, are being equipped with satellite navigation devices and monitored in order to display their predicted arrival times to bus passengers. We have had access to a wealth of bus data for the city of Cambridge, England for some years. We describe these bus data and show how its specifics may be used in conjunction with other sources of data, such as OpenStreetMap, in order to reconstruct information on transport traffic flow dynamics. Finally, we consider examples in which we compare our knowledge of the traffic regimes with the outputs of the technique presented.
Starting Page	746
Ending Page	753
File Size	2467134
Page Count	8
File Format	PDF
ISBN	9781457721984
ISSN	21530009
e-ISBN	9781457721977
DOI	10.1109/ITSC.2011.6082904
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Roads Vehicles Cities and towns Probes Sensors Vehicle dynamics Cameras
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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