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https://open.uns.ac.rs/handle/123456789/3810
Title: | Semiautomatic Epicardial Fat Segmentation Based on Fuzzy c-Means Clustering and Geometric Ellipse Fitting | Authors: | Vladimir Zlokolica Lidija Krstanović Lazar Velicki Branislav Popović Marko Janev Ratko Obradović Nebojša Ralević Ljubomir Jovanov Danilo Babin |
Keywords: | epicardial fat;CT images;automatic segmentation | Issue Date: | 1-Jan-2017 | Journal: | Journal of Healthcare Engineering | Abstract: | © 2017 Vladimir Zlokolica et al. Automatic segmentation of particular heart parts plays an important role in recognition tasks, which is utilized for diagnosis and treatment. One particularly important application is segmentation of epicardial fat (surrounds the heart), which is shown by various studies to indicate risk level for developing various cardiovascular diseases as well as to predict progression of certain diseases. Quantification of epicardial fat from CT images requires advance image segmentation methods. The problem of the state-of-the-art methods for epicardial fat segmentation is their high dependency on user interaction, resulting in low reproducibility of studies and time-consuming analysis. We propose in this paper a novel semiautomatic approach for segmentation and quantification of epicardial fat from 3D CT images. Our method is a semisupervised slice-by-slice segmentation approach based on local adaptive morphology and fuzzy c-means clustering. Additionally, we use a geometric ellipse prior to filter out undesired parts of the target cluster. The validation of the proposed methodology shows good correspondence between the segmentation results and the manual segmentation performed by physicians. | URI: | https://open.uns.ac.rs/handle/123456789/3810 | ISSN: | 20402295 | DOI: | 10.1155/2017/5817970 |
Appears in Collections: | FTN Publikacije/Publications |
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