Table 1.

Geometry extraction validation results using vascular trees of increasing complexity. We show results for 9 out of the 15 vascular trees that were generated. Mean and std were computed using all volumes.

#Nodes	True Pos. %	False Pos. %	True Neg. %	False Neg. %	Accur. %	Prec. %	Sensit. %	Specif. %	Time (s.) †
5	95.59	4.41	95.74	4.26	95.67	95.59	95.74	95.60	41
10	95.75	4.25	96.77	3.23	96.26	95.75	96.74	95.80	57
50	96.15	3.85	96.91	3.09	96.53	96.15	96.88	96.18	178
100	96.84	3.16	93.16	6.84	95.00	96.84	93.40	96.72	248
200	98.76	1.24	84.93	15.07	91.84	98.76	86.76	98.56	320
400	98.16	1.84	73.26	26.74	85.71	98.16	78.59	97.55	375
600	98.11	1.89	66.03	33.97	82.07	98.11	74.28	97.21	380
800	98.72	1.28	61.38	38.62	80.05	98.72	71.88	97.95	409
1000	97.89	2.11	57.73	42.27	77.81	97.89	69.84	96.48	449
mean(std)	97.5(1.1)	2.5(1.1)	79.5(15.4)	20.5(15.4)	88.5(7.3)	97.5(1.1)	84.0(10.9)	97.0(0.8)	292(140)

^†Intel Core 2 Duo 2.8 GHz.