A method for enhancing the boundaries of magnetic resonance images (MRIs) using a V-filter (a spatial nonlinear filter) is presented. By iterated V-filtering the signal-to-noise ratio of the MRI can be increased while preserving edge sharpness. A simulation experiment was carried out to evaluate the filter, using clinical brain images. The boundaries of the brain tumor and edematous region were precisely extracted by the region segmentation techniques.<>


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    Titel :

    Magnetic resonance image enhancement using V-filter


    Beteiligte:
    Yamamoto, H. (Autor:in) / Sugita, K. (Autor:in) / Kanzaki, N. (Autor:in) / Johja, I. (Autor:in) / Hiraki, Y. (Autor:in) / Kuwahara, M. (Autor:in)


    Erscheinungsdatum :

    1990-06-01


    Format / Umfang :

    304613 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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