In this work we propose a new supervised deformable model that generalizes the classical contour-based snake. This model is defined to deform in a feature space generated by a set of Gaussian derivative filter responses. The snake selects and classifies image features by a parametric vector that gives the direction in the feature space minimizing the dissimilarity between the learned and found image features and maximizing the distance between different contour configurations. Each snake curve patch is devoted to searching for a special contour configuration. The classes corresponding to different contour configurations are obtained by means of a statistical supervised learning technique using samples of different contours and no contour points. The snake starts with a large set of Gaussian filters that is reduced by means of principal component analysis in a supervised way to optimize it in the feature search.


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    Title :

    Self-training statistic snake for image segmentation and tracking


    Contributors:
    Pardo, X.M. (author) / Radeva, P. (author) / Villanueva, J.J. (author)


    Publication date :

    1999-01-01


    Size :

    292032 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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