Estimation of traffic load effects on Forth Road Bridge using camera measurements

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Title: Estimation of traffic load effects on Forth Road Bridge using camera measurements
Authors: Micu, E.A.MacKinstray, R.Angus, E.O'Brien, Eugene J.Malekjafarian, AbdollahLydon, Myra
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Date: 30-Aug-2018
Online since: 2019-05-20T11:49:39Z
Abstract: This paper explores the possibility of using a camera and image analysis to extract congested traffic data. A video system was installed on the Forth Road Bridge. The system captured traffic video data at a rate of 1 frame per second for approximately five months. Simple image processing methods, e.g. adaptive thresholding and morphological reconstruction, are used to automatically analyse the images extracted from the videos. The body shapes of the vehicles are accurately extracted. Identified vehicles are framed within rectangles and the rectangle’s dimensions are used to approximate the length of the vehicles. The study confirms that the image data can be used efficiently to measure the lengths of the vehicles. The vehicle lengths can be ultimately used for the estimation of site specific characteristic maximum traffic load effects.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Publisher: CERAI
Copyright (published version): 2018 the Authors
Keywords: BridgeCameraImageLong-spanVehicle lengthWIM
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Language: en
Status of Item: Peer reviewed
Is part of: Pakrashi, V., Keenahan, J. (eds.). Civil Engineering Research in Ireland 2018: Conference Proceedings
Conference Details: Civil Engineering Research in Ireland 2018 Conference (CERI 2018), Dublin, Ireland, 29-30 August 2018
ISBN: 978-0-9573957-3-2
Appears in Collections:Civil Engineering Research Collection

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