TABLE II.

SUMMARY OF ISV SURFACE RECONSTRUCTION AND PATIENT REGISTRATION ACCURACIES USING LANDMARK AND ISV TECHNIQUES. THE COMPUTATIONAL COST FOR MULTI-START ISV REGISTRATION IS ALSO INCLUDED.

Pat. #	iSV reconstruction		Registration accuracy (mm)3		iSV registration cost (sec)
	# of probe data	Accuracy (mm)2	Landmark	iSV-based
1	4	2.50±1.12	1.95±1.25	1.27±0.91	33
2	5	2.22±1.03	1.83±1.50	1.09±0.73	94
3	4	2.38±0.99	1.93±1.30	1.20±0.77	134
4	5	1.73±0.44	1.73±0.11	1.11±0.61	106
5	8	2.64±1.12	2.71±1.80	1.90±1.41	73
6	5	1.94±0.89	2.01±1.62	1.91±1.82	100
7	4	2.45±0.51	1.98±1.03	1.70±1.12	42
8	6	2.10±1.00	2.03±1.7	1.30±1.02	184
Avg.	51	2.21±0.31	2.02±0.30	1.43±0.35	95.8±48.9

¹Median value;

²iSV reconstruction accuracy is the average point-wise distance error relative to the probe points;

³Registration accuracy is the average SDE relative to pCT