The high variability of sign appearance in uncontrolled environments has made the detection and classification of road signs a challenging problem in computer vision. In this paper, we introduce a novel approach for the detection and classification of traffic signs. Detection is based on a boosted detectors cascade, trained with a novel evolutionary version of Adaboost, which allows the use of large feature spaces. Classification is defined as a multiclass categorization problem. A battery of classifiers is trained to split classes in an Error-Correcting Output Code (ECOC) framework. We propose an ECOC design through a forest of optimal tree structures that are embedded in the ECOC matrix. The novel system offers high performance and better accuracy than the state-of-the-art strategies and is potentially better in terms of noise, affine deformation, partial occlusions, and reduced illumination.


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    Title :

    Traffic sign recognition using evolutionary Adaboost detection and forest-ECOC classification


    Contributors:
    Baro, X. (author) / Escalera, S. (author) / Vitria, J. (author) / Pujol, O. (author) / Radeva, P. (author)


    Publication date :

    2009


    Size :

    14 Seiten, 48 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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