Geodesic Distance Algorithm for Extracting the Ascending Aorta from 3D CT Images

Table 1

DSC values to compare accuracy of the proposed method and computation time.

Data#	Quality	DSC		Number of slices	Computation time (sec)
		Proposed method	Workstation
000	Good	0.9714	0.9092	227	1.8820
001	Good	0.9500	0.8917	219	0.9310
002	Good	0.9511	0.8873	213	1.1150
003	Moderate	0.9660	0.9226	243	1.9100
004	Moderate	0.9548	0.9091	206	1.2480
005	Moderate	0.9397	0.8935	247	1.8140
006	Moderate	0.9230	0.9047	275	1.9670
007	Poor	0.9493	0.9313	269	1.8170
008	Poor	0.9628	0.9178	245	1.5430
009	Poor	0.9295	0.9045	134	0.9610
Average		0.9498	0.9072	228	1.5188