An active-infrared overhead vehicle sensor capable of detecting vehicle (moving or stationary) presence, classifying type of vehicle, and measuring vehicle speed is described. The results of tests conducted at a street intersection in Orange County, Florida are presented. The test results demonstrate that the sensor reliably (99.4 %) detects vehicles including cars, trucks, buses, and motorcycles and measures their speed to within plus/minus 1 mi/h (1.6 km/h) at speeds up to at least 50 mi/h (80 km/h).


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    Title :

    Active-infrared overhead vehicle sensor


    Additional title:

    Freiluft-Infrarot-Fahrzeug-Sensor


    Contributors:

    Published in:

    Publication date :

    1994


    Size :

    7 Seiten, 8 Bilder, 7 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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