The authors propose one-directional traffic flow measurement method using double slit camera. Two slit cameras are installed in overhead location with longitudinal alignment. They shoot real traffic scene in downward direction. Slit camera outputs pseudo two-dimensional image that consists of space domain and time domain. They detect vehicles from statistical pixel value of each line of a slit. Standard deviation is effective to detect bright color vehicles. They use the changes of a standard deviation and a change of an average as well as the standard deviation to detect dark color vehicles. They detect traffic flow parameters such as occupancy, time headway and time between two cars using slit camera. In double slit configuration, they detect spot speed of vehicles by the time difference of its appearance at each slit. They estimate vehicle length by normalizing the vehicle region. They also divide vehicles into type of vehicle by length.


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    Titel :

    Vehicle detection using double slit camera


    Weitere Titelangaben:

    Fahrzeugerkennung mit Hilfe von Doppelspaltkameras


    Beteiligte:


    Erscheinungsdatum :

    2006


    Format / Umfang :

    9 Seiten, 9 Bilder, 2 Tabellen, 5 Quellen





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    Katahara, S. / Aoki, M. | British Library Conference Proceedings | 2006



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    Takayasu, N. / Aoki, M. / IEEE | British Library Conference Proceedings | 2004


    Traffic Flow Measurement Using Stereo Slit Camera

    Wakabayashi, Y. / Aoki, M. / IEEE | British Library Conference Proceedings | 2005


    Traffic flow measurement using stereo slit camera

    Wakabayashi, Y. / Aoki, M. | IEEE | 2004