Two-camera based accurate vehicle speed measurement using average speed at a fixed point.
Authors
Fernández Llorca, David; Sotelo Vázquez, Miguel Ángel; Parra Alonso, Ignacio; Salinas Maldonado, Carlota; Jiménez García, Mario; [et al.]Identifiers
Permanent link (URI): http://hdl.handle.net/10017/59783DOI: 10.1109/ITSC.2016.7795963
ISBN: 978-1-5090-1889-5
Publisher
IEEE
Date
2016-12-26Affiliation
Universidad de Alcalá. Departamento de Automática; Universidad de Alcalá. Departamento de ElectrónicaFunders
Dirección General de Tráfico
Ministerio de Economía y Competitividad
Comunidad de Madrid
Bibliographic citation
D. F. Llorca et al., "Two-camera based accurate vehicle speed measurement using average speed at a fixed point," 2016 IEEE 19th International Conference on Intelligent Transportation Systems (ITSC), Rio de Janeiro, Brazil, 2016, pp. 2533-2538.
Keywords
Vehicle speed measurement
Average speed
Range error
Speed error
License plate
Project
info:eu-repo/grantAgreement/DGT//SPIP2015-01737
info:eu-repo/grantAgreement/MINECO//DPI2014-59276-R/ES/METODOS PREDICTIVOS INTELIGENTES PARA LA PROTECCION DE USUARIOS VULNERABLES DE CARRETERA/IMPROVE
info:eu-repo/grantAgreement/CAM/S2013-MIT-2713/ES//SEGVAUTO-TRIES-CM
Document type
info:eu-repo/semantics/bookPart
Version
info:eu-repo/semantics/publishedVersion
Publisher's version
https://doi.org/10.1109/ITSC.2016.7795963Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© 2016 IEEE
Access rights
info:eu-repo/semantics/openAccess
Abstract
In this paper we present a novel two-camera-based accurate vehicle speed detection system. Two high-resolution cameras, with high-speed and narrow field of view, are mounted on a fixed pole. Using different focal lengths and orientations, each camera points to a different stretch of the road. Unlike standard average speed cameras, where the cameras are separated by several kilometers and the errors in measurement of distance can be in the order of several meters, our approach deals with a short stretch of a few meters, which involves a challenging scenario where distance estimation errors should be in the order of centimeters. The relative distance of the vehicles w.r.t. the cameras is computed using the license plate as a known reference. We demonstrate that there is a specific geometry between the cameras that minimizes the speed error. The system was tested on a real scenario using a vehicle equipped with DGPS to compute ground truth speed values. The obtained results validate the proposal with maximum speed errors <; 3kmh at speeds up to 80kmh.
Files in this item
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Two_camera_ITSC_2016.pdf | 1.348Mb |
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