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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    Title :

    Vehicle detection using double slit camera


    Additional title:

    Fahrzeugerkennung mit Hilfe von Doppelspaltkameras


    Contributors:


    Publication date :

    2006


    Size :

    9 Seiten, 9 Bilder, 2 Tabellen, 5 Quellen





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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