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Serial Images from Airborne Digital Frame Camera Systems for Monitoring of Traffic Dynamics

Reinartz, Peter (2008) Serial Images from Airborne Digital Frame Camera Systems for Monitoring of Traffic Dynamics. In: Geoinformatics paves the Highway to Digital Earth gi-reports@igf, 8. pp. 109-113. ISSN 1863-0130

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Traffic monitoring with wide angle serial images from digital cameras on airborne platforms is a very new research field in remote sensing. The classical means to measure traffic density and velocity depend on local measurements from induction loops and other on site instruments. This information does not give the whole picture of the traffic situation. In order to obtain precise knowledge about the traffic flow of a large area, only airborne cameras or cameras positioned at very high locations (towers, etc.) can provide an up-to-date image of all roads covered. Especially for the near real-time monitoring of areas where a large disaster has happened, this technology will provide timely and accurate information of the state of infrastructure (streets, bridges) and the traffic situation. The paper aims at showing the potential of using image time series from airborne camera systems to derive traffic parameters on the basis of single car measurements. To be able to determine precise velocities and other parameters from an image time series, exact geocoding is one of the first requirements for the acquired image data. The methods presented here for determining several traffic parameters for single vehicles and vehicle groups involve recording and evaluating a number of digital aerial images from high altitude and with a large total field of view. Visual and automatic methods for the interpretation of images are compared. It turns out that the recording frequency of the individual images should be at least 3 Hz or more especially for automatic vehicle tracking. The accuracy and possibilities of the methods are analyzed and presented, as well as the usage of a digital road database for improving the tracking algorithm and for integrating the results for further traffic applications. Shortcomings of the methods are given as well as possible improvements regarding methodology and sensor platform.

Item URL in elib:https://elib.dlr.de/57422/
Document Type:Contribution to a Collection
Title:Serial Images from Airborne Digital Frame Camera Systems for Monitoring of Traffic Dynamics
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Date:June 2008
Journal or Publication Title:Geoinformatics paves the Highway to Digital Earth
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 109-113
Schiewe, JochenUNSPECIFIED
Series Name:gi-reports@igf
Keywords:Aerial image series, traffic monitoring, velocity estimation, road database, applications
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - ARGOS (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Photogrammetry and Image Analysis
Deposited By: Reinartz, Prof. Dr.. Peter
Deposited On:14 Jan 2009
Last Modified:27 Apr 2009 15:43

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