A Low-Interaction Automatic 3D Liver Segmentation Method Using Computed Tomography for Selective Internal Radiation Therapy

Table 2

Comparative results between the proposed algorithm and manual gold standard.

Number	Manual segmentation volumes (mL)	Average calculated volumes (mL)	Absolute error (mL)	% Error	Average Dice coefficient
1	1458.80	1426.00	32.80	−2.25	0.94
2	4079.50	4180.67	101.17	2.48	0.92
3	2419.18	2402.00	17.18	−0.71	0.90
4	1848.73	1855.33	6.60	0.36	0.90
5	1630.59	1649.33	18.74	1.15	0.91
6	1568.82	1448.67	120.15	−7.66	0.91
7	1408.27	1358.67	49.60	−3.52	0.94
8	1331.81	1318.00	13.81	−1.04	0.94
9	2595.61	2637.33	41.72	1.61	0.92
10	2651.20	2709.67	58.47	2.21	0.91
11	1631.40	1703.33	71.93	4.41	0.92
12	2892.98	2626.67	266.31	−9.21	0.90
13	1904.25	1966.00	61.75	3.24	0.93
14	2704.79	2832.67	127.87	4.73	0.93
15	1602.26	1545.67	56.59	−3.53	0.93
16	1565.97	1491.67	74.30	−4.74	0.93
17	2408.85	2376.00	32.85	−1.36	0.90
18	5336.28	5180.33	155.95	−2.92	0.93
19	1102.16	1139.33	37.17	3.37	0.91
20	2363.25	2466.00	102.75	4.35	0.94
21	1202.18	1102.57	99.61	−8.29	0.92
22	1801.65	1681.30	120.35	−6.68	0.93
23	1749.51	1647.10	102.41	−5.85	0.93
24	1558.69	1540.53	18.16	−1.17	0.95
25	1797.16	1642.74	154.42	−8.59	0.92
26	1749.79	1709.54	40.25	−2.30	0.94
27	1017.20	974.51	42.69	−4.20	0.92
28	942.02	879.72	62.30	−6.61	0.91
29	2248.62	2062.40	186.22	−8.28	0.91
30	1006.68	944.81	61.87	−6.15	0.92
31	798.90	753.67	45.23	−5.66	0.92
32	1591.80	1449.90	141.90	−8.91	0.92
33	2072.80	1975.49	97.31	−4.69	0.95
34	1753.76	1614.09	139.68	−7.96	0.92
Avg.	1935.16	1890.93	81.18	−2.78	0.92
Std. dev.	895.08	901.41	57.36	4.39	0.01