Table 1.

Pixel by pixel segmentation comparison (R1=reader1, R2=reader2, SCES=single click ensemble segmentation, LS=level set, SGC=skeleton graph cut, p-value from student t-test for each comparison was calculated based on R1 vs. R2). The fraction indicates the portion of pixels in agreement.

Case	SI value % (R1 VS R2)	SI value % (R1 VS SCES)	SI value % (R2 VS SCES)	SI Value % (R1 VS LS)	SI Value % (R2 VS LS)	SI Value % (SCES VS LS)	SI Value % (SCES VS SGC)	SI Value % (SGC VS R1)	SI Value % (SGC VS R2)	SI Value % (SGC VS LS)
P1	93.14	77.95	77.67	65.5	62.73	54.19	80.41	70.08	69.75	52.16
P2	83.43	81.86	85.83	71.91	77.07	77.60	73.99	63.72	73.66	70.45
P3	64.23	82.13	72.37	60.19	64.36	65.64	62.59	55.27	63.62	62.71
P4	63.77	63.52	75.11	62.26	66.49	58.72	26.63	35.9	32.28	40.37
P5	77.57	67.00	73.40	65.61	63.48	62.22	45.77	51.75	52.17	44.84
P6	75.79	78.06	81.37	64.56	54.34	55.37	57.54	69.26	58.19	62.28
P7	94.90	97.13	93.61	81.48	79.18	82.36	79.36	77.94	78.01	77.66
P8	84.11	69.70	71.51	63.86	53.73	54.01	68.6	72.11	61.29	59.13
P9	78.65	80.49	72.57	55.53	54.18	48.11	39.06	44.59	43.06	40.58
P10	90.20	81.36	84.27	60.59	66.66	69.25	79.91	70.48	75.13	65.94
P11	78.23	76.34	71.23	54.71	55.55	59.97	66.47	53.77	53.93	55.52
P12	73.52	88.85	68.93	67.04	65.51	62.24	63.95	67.27	70.11	75.32
P13	76.30	84.48	88.04	78.96	80.84	84.10	80.22	73.58	77.79	76.58
P14	82.30	78.41	81.67	56.12	52.99	60.69	75.68	74.81	73.15	62.05
P15	76.80	67.02	68.25	75.18	69.89	62.04	56.19	71.88	63.9	71.63
Average	79.53	78.29	77.72	65.57	64.47	63.77	63.76	63.49	63.07	61.15
p-value	-	0.7062	0.5592	0.0002	0.0002	0.0002	0.0028	0.0004	0.0004	<0.000001