This paper describes a vision-based vehicle detection system for a blind spot warning function. This detection system has been designed to provide ample performance as a driving safety support system, while streamlining the image processing algorithm so that it can be processed using the computational power of an existing ECU. The procedure used by the system to detect a vehicle in a blind spot is as follows. The system consists of four functional components: obstacle detection, velocity estimation, vertical edge detection, and final classification. In obstacle detection, a predicted image is generated under the assumption that the road surface is a perfectly flat plane, and then an object is detected based on a histogram that is created by comparing the predicted image and an actually observed image. The velocity of the object is estimated by tracking the histogram over time, assuming that both the object and the host vehicle are traveling in the same direction. Vertical edge detection is employed so as to avoid misdetection due to a vehicle shadow projected onto the road surface. In final classification, a vehicle is detected on the basis of these results. The effectiveness of the system was verified by conducting road tests on highways and narrow streets with two-way traffic.


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    Title :

    Real-Time Vehicle Detection using a Single Rear Camera for a Blind Spot Warning System


    Additional title:

    Sae International Journal of Passenger Cars- Electronic and Electrical Systems
    Sae Int. J. Passeng. Cars - Electron. Electr. Syst


    Contributors:

    Conference:

    SAE 2012 World Congress & Exhibition ; 2012



    Publication date :

    2012-04-16


    Size :

    8 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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