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A Comparison of Trajectories and Vehicle Dynamics Acquired by High Precision GPS and Contemporary Methods of Digital Image Processing

Kozempel, Karsten and Saul, Hagen and Haberjahn, Mathias and Kaschwich, Claus (2014) A Comparison of Trajectories and Vehicle Dynamics Acquired by High Precision GPS and Contemporary Methods of Digital Image Processing. In: Urban Transport XX, 138, pp. 381-391. WITPress. 20th International Conference on Urban Transport and the Environment, 28.-30. Mai 2014, Portugal. ISBN 978-1-84564-778-0 ISSN 1746-4498

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Abstract

Vehicle trajectories from recorded video sequences—acquired by several contemporary methods of digital image processing—are compared with highprecision GPS data serving as reference. The raw data has been created by driving some scenarios with a car equipped with several sensors, i.e. DGPS, acceleration sensor etc. At the same time, the car was recorded by a video camera system in order to derive trajectory data by computer vision methods. Thus, the car is tracked by an Extended Kalman Filter (EKF) preceded by a background estimator. For improving the accuracy of the tracking data it is combined with a model-based approach for object detection. This approach �ts a 3-dimensional wire frame model of the car into the image. The paper presents the driving scenarios of the car, the implemented image processing methods and a quantitative evaluation of the extracted trajectories obtained by two di�erent image processing methods. Accuracy and precision of the methods are determined by comparing their results with the DGPS reference data of the car.

Item URL in elib:https://elib.dlr.de/89391/
Document Type:Conference or Workshop Item (Speech)
Title:A Comparison of Trajectories and Vehicle Dynamics Acquired by High Precision GPS and Contemporary Methods of Digital Image Processing
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kozempel, Karstenkarsten.kozempel (at) dlr.deUNSPECIFIED
Saul, Hagenhagen.saul (at) dlr.deUNSPECIFIED
Haberjahn, Mathiasmathias.haberjahn (at) dlr.deUNSPECIFIED
Kaschwich, Clausclaus.kaschwich (at) dlr.deUNSPECIFIED
Date:28 May 2014
Journal or Publication Title:Urban Transport XX
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:138
Page Range:pp. 381-391
Editors:
EditorsEmail
Brebbia, C.A.Wessex Institute of Technology
Publisher:WITPress
Series Name:WIT Transactions on the Built Environment
ISSN:1746-4498
ISBN:978-1-84564-778-0
Status:Published
Keywords:trajectories, DGPS, accuracy, precision, evaluation, image processing, model-based.
Event Title:20th International Conference on Urban Transport and the Environment
Event Location:Portugal
Event Type:international Conference
Event Dates:28.-30. Mai 2014
Organizer:Wessex Institute of Technology
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Projekt Verkehrs- und Mobilitätsmanagement (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Transportation Systems > Verkehrsdatenerfassung
Deposited By: Saul, Hagen
Deposited On:10 Jun 2014 14:56
Last Modified:23 Feb 2019 00:21

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