Traffic sign detection is a valuable part of future driver support system. In this paper, we present a novel framework to accurately detect traffic signs from a single color image by analyzing geometrical, physical and text/symbol features of traffic signs. First, we utilize an elaborate edge detection algorithm to extract edge map and accurate edge pixel gradient information. Second 2-D geometric primitives (circles, ellipses, rectangles and triangles) are quickly extracted from image edge map. Third the candidate traffic sign regions are selected by analyzing the intrinsic color features, which are invariant to different illumination conditions, of each region circumvented by geometric primitives. Finally a text and symbol detection algorithm is introduced to classify true traffic signs. Experimental results demonstrated the capabilities of our algorithm to detect traffic signs with respect to different size, shape, color and illumination conditions.


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    Title :

    Geometrical, Physical and Text/Symbol Analysis Based Approach of Traffic Sign Detection System


    Contributors:
    Yangxing Liu, (author) / Ikenaga, T. (author) / Goto, S. (author)


    Publication date :

    2006-01-01


    Size :

    1286078 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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