TABLE V.

Dice Coefficients and Surface Distances Evaluating Abdominal CT Registration Accuracy. Surface Distances Are Unsigned Vertex Distances in Millimeters (mm), Given as Mean ± Standard Deviation

	Dice Coefficients					Surface Distances
	P0	P1	P2	P4	All	P0	P1	P2	P4	All
Before	0.864	0.903	0.931	0.902	0.900	4.23±4.50	2.98±2.79	2.42±2.33	3.38±2.82	3.18±3.21
Diffusive	0.957	0.967	0.967	0.941	0.958	1.41± 1.54	1.08±0.97	1.15±1.13	2.12±2.33	1.42±1.61
Sliding	0.955	0.961	0.966	0.940	0.955	1.44±1.58	1.24±1.19	1.21±1.16	2.21±2.48	1.51±1.71