Detection of circumscribed masses in mammograms using morphological segmentation

Jostein Herredsvela; Thor Ole Gulsrud; Kjersti Engan

doi:10.1117/12.595196

29 April 2005 Detection of circumscribed masses in mammograms using morphological segmentation

Jostein Herredsvela, Thor Ole Gulsrud, Kjersti Engan

Proceedings Volume 5747, Medical Imaging 2005: Image Processing; (2005) https://doi.org/10.1117/12.595196
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

We present a method for detecting circumscribed masses in digital mammograms. Morphological hierarchical watersheds are used in the segmentation process. Oversegmentation is prevented by employing a reconstructive open/close alternating sequential filter to simplify the image. The advantage of this method of simplification is that the object shapes and edges are preserved. The regional maxima of the simplified input image are then extracted and used as internal markers for the hierarchical watershed transform, which is applied to the gradient image of the simplified input image. An image-based classification technique is applied to reduce the number of false positives. The method is applied to 18 mammograms from the MIAS database, containing 20 circumscribed masses in background tissue of varying density. We obtain a high true detection rate using combined with a low number of false positives per image.

Citation Download Citation

Jostein Herredsvela, Thor Ole Gulsrud, and Kjersti Engan "Detection of circumscribed masses in mammograms using morphological segmentation", Proc. SPIE 5747, Medical Imaging 2005: Image Processing, (29 April 2005); https://doi.org/10.1117/12.595196

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