An efficient circle detection method using a coarse-to-fine strategy is proposed. The Hough transform is performed using a rough Hough space within a small window around a feature point which is selected using local connectivity information. Hough cells which have sufficient number of votes are retained, whilst all others are discarded. These Hough cells are refined using a finer quantization and then a larger window around the feature point is employed for another Hough transform. This process is repeated till sufficient evidence for the existence of a circle is obtained.<>


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    Title :

    A coarse-to-fine approach for circle detection


    Contributors:
    Yuen, K.S.Y. (author) / Lo, E.K.H. (author)


    Publication date :

    1994-01-01


    Size :

    322812 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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