Table 3.

Mean (and standard deviation) of 3D error (mm) for DIR output compared to landmarks for various demons algorithms: passive force (PF), evolved passive force (EPF), active force (AF), double force (DF), adjusted double force (ADF) and inverse consistent (IC) methods.

Method	Case 1	Case 2	Case 3	Case 4	Case 5	Average
PF	1.11 (1.09)	1.04(1.15)	1.36(1.20)	2.51 (2.49)	1.84(1.74)	1.57(1.54)
EPF	1.10(1.09)	1.00(1.15)	1.32(1.21)	2.42 (2.48)	1.82(1.87)	1.53 (1.56)
AF	1.15(1.11)	1.05(1.19)	1.39(1.22)	2.34 (2.19)	1.81 (1.83)	1.55(1.51)
DF	1.19(1.13)	1.16(1.23)	1.48(1.21)	2.59 (2.48)	1.91 (1.77)	1.66(1.56)
ADF	1.11 (1.09)	1.02(1.14)	1.35 (1.20)	2.27 (2.09)	1.80(1.80)	1.51 (1.46)
IC	1.24(1.30)	1.28 (162)	1.42(1.22)	3.27 (4.09)	1.67(1.57)	1.78(1.96)