Large-Deformation Image Registration of CT-TEE for Surgical Navigation of Congenital Heart Disease

Table 2

Registration indexes.

Patient	Average Dice coefficient			Average TRE (mm)
	VPMMI	VMI	ICPMI	VPMMI	VMI	ICPMI
Patient 1	0.88	0.45	0.80	1.7290	9.5789	3.0710
Patient 2	0.89	0.80	0.82	1.2701	3.6162	1.8111
Patient 3	0.90	0.45	0.79	0.6013	11.5463	2.7112
Patient 4	0.95	0.95	0.84	1.1176	1.6780	8.0261
Patient 5	0.89	0.00	0.60	1.1179	12.3223	9.3880
Patient 6	0.87	0.04	0.88	2.2345	19.0837	4.9850
Patient 7	0.89	0.65	0.59	1.4118	7.5647	9.1564
Patient 8	0.91	0.32	0.89	0.8496	7.3520	0.8964
Patient 9	0.91	0.42	0.92	0.7337	5.7968	0.6936
Patient 10	0.95	0.83	0.85	0.6760	3.8212	2.9338
Patient 11; (adult)	0.90	0.58	0.69	1.7191	13.4195	6.6400
Patient 12; (adult)	0.92	0.62	0.86	1.7260	13.9903	2.2362
Average	0.91	0.51	0.79	1.2655	9.1475	4.3791

TRE, target registration error; VMI and ICPMI, the comparison algorithms; VPMMI, the proposed method (valves as a benchmark and probability map-based mutual information method)