Unsupervised morphological granulometric texture segmentation of digital mammograms

S. Baeg; Sinan Batman; Edward R. Dougherty; Vishnu G. Kamat; Nasser Kehtarnavaz; Seungchan Kim; Antony T. Popov; Krishnamoorthy Sivakumar; Robert Shah

doi:10.1117/1.482685

1 January 1999 Unsupervised morphological granulometric texture segmentation of digital mammograms

S. Baeg, Sinan Batman, Edward R. Dougherty, Vishnu G. Kamat, Nasser Kehtarnavaz, Seungchan Kim, Antony T. Popov, Krishnamoorthy Sivakumar, Robert Shah

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Journal of Electronic Imaging, Vol. 8, Issue 1, (January 1999). https://doi.org/10.1117/1.482685

Segmentation via morphological granulometric features is based on fitting structuring elements into image topography from below and above. Each structuring element captures a specific texture content. This paper applies granulometric segmentation to digitized mammograms in an unsupervised framework. Granulometries based on a number of flat and nonflat structuring elements are computed, local size distributions are tabulated at each pixel, granulometric-moment features are derived from these size distributions to produce a feature vector at each pixel, the Karhunen–Loeve transform is applied for feature reduction, and Voronoi-based clustering is performed on the reduced Karhunen–Loeve feature set. Various algorithmic choices are considered, including window size and shape, number of clusters, and type of structuring elements. The algorithm is applied using only granulometric texture features, using gray-scale intensity along with the texture features, and on a compressed mammogram. Segmentation results are clinically evaluated to determine the algorithm structure that best accords to an expert radiologist’s view of a set of mammograms.

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S. Baeg, Sinan Batman, Edward R. Dougherty, Vishnu G. Kamat, Nasser Kehtarnavaz, Seungchan Kim, Antony T. Popov, Krishnamoorthy Sivakumar, and Robert Shah "Unsupervised morphological granulometric texture segmentation of digital mammograms," Journal of Electronic Imaging 8(1), (1 January 1999). https://doi.org/10.1117/1.482685

Published: 1 January 1999

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