This paper describes two unique designs of Tollstar's Toll Collection System involving the use of advanced image processing systems to both detect and classify vehicles by size. One uses 2 curtains of RF beams, the other a broad RF beam structure. The use of phase correlation techniques enables the location of the responding on-board equipment to be established and the correlation between the outputs of these two subsystems enables correctly paying vehicles to pass through a toll area having paid the toll. The system triggers enforcement action on vehicles which do not pay either the correct or any toll. (4 pages)


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    Title :

    Unique aspects of the Tollstar solution for electronic road pricing


    Contributors:
    Pratt, T. (author)

    Publication date :

    1995-01-01


    Size :

    1 pages



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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