One of the most noteworthy problems associated with conventional pattern recognition methods is that it is not easy to extract feature vectors from images which are not translation, rotation, and scale change invariant in outdoor noisy environments. This paper describes the development of an invariant traffic sign recognition system capable of tolerating the above variations. The signs are restricted to three types of warning signs and are all of red color. The developed method is insensitive to brightness changes as well as invariant to translation, rotation, scale change, and noise. The architecture of this system is based upon neural network supervised learning after geometrical transformations have been applied. The performance of this system is compared with other invariant approaches in terms of the percentage of correct decisions in outdoor noisy environments.<>


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    Title :

    An invariant traffic sign recognition system based on sequential color processing and geometrical transformation


    Contributors:


    Publication date :

    1994-01-01


    Size :

    463482 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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