Mammographic enhancement with combining local statistical measures and sliding band filter for improved mass segmentation in mammograms

Dae Hoe Kim; Jae Young Choi; Seon Hyeong Choi; Yong Man Ro

doi:10.1117/12.911147

23 February 2012 Mammographic enhancement with combining local statistical measures and sliding band filter for improved mass segmentation in mammograms

Dae Hoe Kim, Jae Young Choi, Seon Hyeong Choi, Yong Man Ro

Author Affiliations +

Proceedings Volume 8315, Medical Imaging 2012: Computer-Aided Diagnosis; 83151Z (2012) https://doi.org/10.1117/12.911147
Event: SPIE Medical Imaging, 2012, San Diego, California, United States

Abstract

In this study, a novel mammogram enhancement solution is proposed, aiming to improve the quality of subsequent mass segmentation in mammograms. It has been widely accepted that characteristics of masses are usually hyper-dense or uniform density with respect to its background. Also, their core parts are likely to have high-intensity values while the values of intensity tend to be decreased as the distance to core parts increases. Based on the aforementioned observations, we develop a new and effective mammogram enhancement method by combining local statistical measurements and Sliding Band Filtering (SBF). By effectively combining local statistical measurements and SBF, we are able to improve the contrast of the bright and smooth regions (which represent potential mass regions), as well as, at the same time, the regions where their surrounding gradients are converging to the centers of regions of interest. In this study, 89 mammograms were collected from the public MAIS database (DB) to demonstrate the effectiveness of the proposed enhancement solution in terms of improving mass segmentation. As for a segmentation method, widely used contour-based segmentation approach was employed. The contour-based method in conjunction with the proposed enhancement solution achieved overall detection accuracy of 92.4% with a total of 85 correct cases. On the other hand, without using our enhancement solution, overall detection accuracy of the contour-based method was only 78.3%. In addition, experimental results demonstrated the feasibility of our enhancement solution for the purpose of improving detection accuracy on mammograms containing dense parenchymal patterns.

Citation Download Citation

Dae Hoe Kim, Jae Young Choi, Seon Hyeong Choi, and Yong Man Ro "Mammographic enhancement with combining local statistical measures and sliding band filter for improved mass segmentation in mammograms", Proc. SPIE 8315, Medical Imaging 2012: Computer-Aided Diagnosis, 83151Z (23 February 2012); https://doi.org/10.1117/12.911147

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