TABLE I.

Registration results comparison for the MVCT FOV truncation situations.

Image region	Ground truth imagedisplacement(mm)	Registration errors (mm)after setting voxelsoutside FOV to NaN	Registration errors(mm) after settingvoxels outside FOV to 0
Entire image	$8.2\pm 4.8$	$3.0\pm 3.2$	$8.6\pm 10.8$
Inside FOV	$9.7\pm 4.2$	$2.9\pm 3.1$	$4.1\pm 5.0$
Outside FOV	$7.3\pm 5.2$	$5.7\pm 4.9$	$13.3\pm 12.9$
Within $10\text{pixels}$ insideFOV	$9.2\pm 4.7$	$2.8\pm 2.5$	$6.5\pm 7.2$
Within $10\text{pixels}$ outsideFOV	$8.5\pm 4.3$	$4.8\pm 3.5$	$19.7\pm 17.1$