New strategy for the determination of the watershed transformation

Susan Wegner; Helmut Oswald; Eckart Fleck

doi:10.1117/12.387613

6 June 2000 New strategy for the determination of the watershed transformation

Susan Wegner, Helmut Oswald, Eckart Fleck

Proceedings Volume 3979, Medical Imaging 2000: Image Processing; (2000) https://doi.org/10.1117/12.387613
Event: Medical Imaging 2000, 2000, San Diego, CA, United States

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.

Citation Download Citation

Susan Wegner, Helmut Oswald, and Eckart Fleck "New strategy for the determination of the watershed transformation", Proc. SPIE 3979, Medical Imaging 2000: Image Processing, (6 June 2000); https://doi.org/10.1117/12.387613

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KEYWORDS

Image segmentation

Image processing algorithms and systems

Algorithm development

Image processing

Medical imaging

Image analysis

Algorithms

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