This paper presents a real-time vision-based vehicle's rear detection system using gradient based methods and Adaboost classification, for ACC applications. Our detection algorithm consists of two main steps: gradient driven hypothesis generation and appearance based hypothesis verification. In the hypothesis generation step, possible target locations are hypothesized. This step uses an adaptive range-dependant threshold and symmetry for gradient maxima localization. Appearance-based hypothesis validation verifies those hypothesis using AdaBoost for classification with illumination independent classifiers. The monocular system was tested under different traffic scenarios (e.g., simply structured highway, complex urban environments, varying lightening conditions), illustrating good performance.


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    Title :

    Vehicle detection combining gradient analysis and AdaBoost classification


    Contributors:
    Khammari, A. (author) / Nashashibi, F. (author) / Abramson, Y. (author) / Laurgeau, C. (author)


    Publication date :

    2005-01-01


    Size :

    482398 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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