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Proceedings Paper

Breast segmentation in MRI: quantitative evaluation of three methods
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Paper Abstract

A precise segmentation of breast tissue is often required for computer-aided diagnosis (CAD) of breast MRI. Only a few methods have been proposed to automatically segment breast in MRI. Authors reported satisfactory performance, but a fair comparison has not been done yet as all breast segmentation methods were evaluated on their own data sets with different manual annotations. Moreover, breast volume overlap measures, which were commonly used for evaluations, do not seem to be adequate to accurately quantify the segmentation qualities. Breast volume overlap measures are not sensitive to small errors, such as local misalignments, because the breast appears to be much larger than other structures. In this work, two atlas-based approaches and a breast segmentation method based on Hessian sheetness filter are exhaustively evaluated and benchmarked on a data set of 52 manually annotated breast MR images. Three quantitative measures including dense tissue error, pectoral muscle error and pectoral surface distance are defined to objectively reflect the practical use of breast segmentation in CAD methods. The evaluation measures provide important evidence to conclude that the three evaluated techniques perform accurate breast segmentations. More specifically, the atlas-based methods appear to be more precise, but require larger computation time than the sheetness-based breast segmentation approach.

Paper Details

Date Published: 13 March 2013
PDF: 7 pages
Proc. SPIE 8669, Medical Imaging 2013: Image Processing, 86693G (13 March 2013); doi: 10.1117/12.2006541
Show Author Affiliations
Albert Gubern-Mérida, Univ. of Girona (Spain)
Radboud Univ. Nijmegen Medical Ctr. (Netherlands)
Lei Wang, Fraunhofer MEVIS (Germany)
Michiel Kallenberg, Radboud Univ. Nijmegen Medical Ctr. (Netherlands)
Robert Martí, Univ. of Girona (Spain)
Horst K. Hahn, Fraunhofer MEVIS (Germany)
Nico Karssemeijer, Radboud Univ. Nijmegen Medical Ctr. (Netherlands)

Published in SPIE Proceedings Vol. 8669:
Medical Imaging 2013: Image Processing
Sebastien Ourselin; David R. Haynor, Editor(s)

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