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Proceedings Paper

New strategy for the determination of the watershed transformation
Author(s): Susan Wegner; Helmut Oswald; Eckart Fleck
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Paper Abstract

One of the basic algorithm for the determination of the watershed transformation is the Meyer 2 algorithm. Unfortunately, the algorithm can lead to isolated regions and like other watershed approaches it also results in some inaccuracies due to the general approach of the WST. We developed a new strategy for the Meyer 2 algorithm resulting in the solution for these problems. For this the algorithm is applied on a more precise derivative with subpoint accuracy computing the derivatives for each direction separately. The labeled local derivatives are then used to label the image points. Immediately closed contours at subpoint locations are obtained and each point is assigned to a label or region respectively.

Paper Details

Date Published: 6 June 2000
PDF: 9 pages
Proc. SPIE 3979, Medical Imaging 2000: Image Processing, (6 June 2000); doi: 10.1117/12.387613
Show Author Affiliations
Susan Wegner, German Heart Institute Berlin and Charite/Humboldt-Univ. Berlin (Germany)
Helmut Oswald, German Heart Institute Berlin and Charite/Humboldt-Univ. Berlin (Switzerland)
Eckart Fleck, German Heart Institute Berlin and Charite/Humboldt-Univ. Berlin (Germany)


Published in SPIE Proceedings Vol. 3979:
Medical Imaging 2000: Image Processing
Kenneth M. Hanson, Editor(s)

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