Research Article
Semiautomatic Epicardial Fat Segmentation Based on Fuzzy c-Means Clustering and Geometric Ellipse Fitting
Table 2
Volume measurement error between our proposed method and manually segmented ground truth images.
| Patient | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Normalized volume (voxels) | 1.1 | 0.73 | 0.43 | 0.68 | 0.96 | 0.95 | 1.38 | 0.91 | Volume relative error (%) | 1.5 | 15 | 14.5 | 29.6 | 33.8 | 8.7 | 14.6 | 9.5 | Coronary artery disease (vessels) | 3 | 2 | 3 | 2 | 3 | 2 | 3 | 3 | Hypertension ejection | No | Yes | No | Yes | No | Yes | No | Yes | Fraction (vessels) | 60 | 37 | 26 | 63 | 42 | 55 | 56 | 60 |
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