Table 1: The results of the user study.

		Manual label correction (ITK-SNAP [13])			Our			Speed up
		Time (s)	RbA (%)	SbA (%)	Time (s)	RbA (%)	SbA (%)
User 1	Data set 1	335	74.28	75.86	248	74.04	72.41	1.35
	Data set 2	421	64.49	60.00	287	64.00	62.00	1.47
User 2	Data set 1	259	62.03	58.62	114	59.98	51.72	2.27
	Data set 2	317	57.15	46.00	219	58.41	44.00	1.45
User 3	Data set 1	197	70.08	72.41	121	76.36	79.31	1.63
	Data set 2	217	64.76	72.00	163	65.07	60.00	1.33
User 4	Data set 1	338	86.81	82.76	377	89.71	93.10	0.90
	Data set 2	499	84.43	84.00	419	86.34	84.00	1.19
User 5	Data set 1	293	91.29	93.10	328	91.33	93.10	0.89
	Data set 2	553	89.87	92.00	435	94.30	94.00	1.27
User 6	Data set 1	451	83.46	86.21	334	84.73	86.21	1.35
	Data set 2	543	77.53	72.00	425	76.07	86.00	1.28

RbA: Region-based Accuracy, R C R E * 100 % SbA: Structure-based Accuracy, N C N E * 100 %