Conformal Snake algorithm for contour detection

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Conformal Snake algorithm for contour detection

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A novel and effective modification of the original Snake algorithm is proposed. The modification can improve the capability of the algorithm to detect boundaries with sharp corners or concave parts without the need to introduce external forces. The essential idea is to apply conformal mapping to transform the image so that the object boundary in the new domain can be captured by the Snake algorithm.

Inspec keywords: edge detection

Other keywords: sharp corners; image transform; concave parts; boundary detection; contour detection; object boundary detection; conformal Snake algorithm

Subjects: Image recognition; Image recognition

References

    1. 1)
      • M. Kass , A. Witkin , D. Terzopoulos . Snakes: active contour models. Int. J. Comput. Vision , 321 - 331
    2. 2)
    3. 3)
      • L.D. Cohen . On the active contour models and balloons. CVGIP, Image Underst. , 211 - 218
    4. 4)
      • M.R. Spiegel . (1964) Complex variables.
http://iet.metastore.ingenta.com/content/journals/10.1049/el_20020335
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