The TFVC system was developed in collaboration with the New York State Department of Transportation, the Federal Highway Administration, and the U.S. Air Force Research Laboratory. It is a video-camera-based, wide-area, traffic surveillance and detection system that provides real-time traffic information to traffic management center operators. The TFVC system uses a unique method of video sensing which automatically detects traffic patterns present in a captured traffic scene. This approach begins with a video image which is obtained from the output of an off-the-shelf video camera. Image processing algorithms verify traffic lanes and begin to extract traffic data, in real-time, from the live video. Vehicle count, flow speed, headway, queue length and occupancy are some of the information that can be collected. The processed traffic data is then sent to a control center for further analysis and used by traffic operators attempting to analyze traffic on the highway.


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    Title :

    Traffic Flow Visualization and Control


    Contributors:
    R. Larson (author) / J. Zhuang (author) / J. Novak (author)

    Publication date :

    1999


    Size :

    103 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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