Large area traffic monitoring with high spatial and temporal resolution is a challenge that cannot be served by today available static infrastructure. Therefore, we present an automatic near real-time traffic monitoring approach using data of an airborne digital camera system with a frame rate of up to 3 fps.

    Methods

    By performing direct georeferencing on the obtained aerial images with the use of GPS/IMU data we are able to conduct near real-time traffic data extraction. The traffic processor consists mainly of three steps which are road extraction supported by a priori knowledge of road axes obtained from a road database, vehicle detection by edge extraction, and vehicle tracking based on normalized cross correlation.

    Results

    Traffic data is obtained with a correctness of up to 79% at a completeness of 68%.

    Conclusions

    With this system we are able to perform area-wide traffic monitoring with high actuality independent from any stationed infrastructure which makes the system well suited for deployments on demand in case of disasters and mass events.


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    Titel :

    Towards automatic near real-time traffic monitoring with an airborne wide angle camera system


    Weitere Titelangaben:

    Eur. Transp. Res. Rev.


    Beteiligte:
    Rosenbaum, Dominik (Autor:in) / Kurz, Franz (Autor:in) / Thomas, Ulrike (Autor:in) / Suri, Sahil (Autor:in) / Reinartz, Peter (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.03.2009


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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