TABLE 6

Mean and SD of Misregistration Parameters of Implementation Using Segmentation

Segment	Misregistration parameter						Time (s)	Success rate (%)
Segment	δθ_x (deg)	δθ_y (deg)	δθ_z (deg)	δt_x (mm)	δt_y (mm)	δt_z (mm)	Time (s)	Success rate (%)
L2	−0.01 ± 0.93	0.29 ± 0.92	−0.04 ± 0.54	0.08 ± 0.60	0.01 ± 0.78	0.03 ± 0.49	187	95
L5	0.12 ± 1.11	−0.08 ± 0.70	0.04 ± 0.72	0.00 ± 0.51	0.08 ± 0.93	0.54 ± 0.58	165	100
L10	−0.45 ± 1.48	0.10 ± 0.85	0.05 ± 0.97	0.08 ± 0.49	0.49 ± 0.81	0.72 ± 1.28	201	81
H80	−0.19 ± 0.88	0.10 ± 0.67	0.01 ± 0.70	0.07 ± 0.33	0.12 ± 0.55	0.03 ± 0.42	178	95
H90	0.22 ± 0.97	0.38 ± 0.89	0.09 ± 0.56	0.17 ± 0.48	−0.31 ± 0.88	0.03 ± 0.52	178	95

L2, L5, and L10 = clamping of voxels whose values are <2%, <5%, and <10%, respectively, of highest voxel value; H80 and H90 = clamping of voxels whose values are >80% and >90%, respectively, of highest voxel value.