期刊
PATTERN RECOGNITION LETTERS
卷 47, 期 -, 页码 157-163出版社
ELSEVIER
DOI: 10.1016/j.patrec.2014.04.008
关键词
Discrete mereotopology; Image morphology; Mammographic image analysis; Topological image analysis
资金
- NISCHR Biomedical Research Unit for Advanced Medical Imaging and Visualization
- Engineering and Physical Sciences Research Council [EP/D050391/1] Funding Source: researchfish
- EPSRC [EP/D050391/1] Funding Source: UKRI
In mammographic imaging, the presence of microcalcifications, small deposits of calcium in the breast, is a primary indicator of breast cancer. However, not all microcalcifications are malignant and their distribution within the breast can be used to indicate whether clusters of microcalcifications are benign or malignant. Computer-aided diagnosis (CAD) systems can be employed to help classify such microcalcification clusters. In this paper a novel method for classifying microcalcification clusters is presented by representing discrete mereotopological relations between the individual microcalcifications over a range of scales in the form of a mereotopological barcode. This barcode based representation is able to model complex relations between multiple regions and the results on mammographic microcalcification data shows the effectiveness of this approach. Classification accuracies of 95% and 80% are achieved on the MIAS and DDSM datasets, respectively. These results are comparable to existing state-of-the art methods. This work also demonstrates that mereotopological barcodes could be used to help trained clinicians in their diagnosis by providing a clinical interpretation of barcodes that represent both benign and malignant cases. (C) 2014 The Authors. Published by Elsevier B.V.
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