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