This paper describes a new data collection system prototype for determining individual vehicle trajectories from sequences of digital aerial images. The software was tested on data collected from a helicopter, using a digital camera gathering high-resolution monochrome images. From the test, it is concluded that the techniques for analyzing the digital images can be applied automatically without much problems: 98% of the vehicles could be detected and tracked automatically when conditions were reasonable; this number lowered to 90% after the weather conditions worsened. This percentage will increase substantially under better weather conditions. Furthermore, equipment stabilizing the camera-so-called gyroscopic mounting-and the use of color images can be applied to further improve the system.


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    Titel :

    Traffic data collection from aerial imagery


    Beteiligte:
    Schreuder, M. (Autor:in) / Hoogendoorn, S.P. (Autor:in) / Van Zulyen, H.J. (Autor:in) / Gorte, B. (Autor:in) / Vosselman, G. (Autor:in)


    Erscheinungsdatum :

    01.01.2003


    Format / Umfang :

    502930 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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