. 2007 Jun 5;21(3):329–337. doi: 10.1007/s10278-007-9042-7

Table 2.

Accuracy of Estimators TE, RE, and A in Phantoms, Together with Corresponding Limiting Values for Each Couple of Image Type and Registration Algorithm

Phantom	Registration	Algorithm	TE	TE_max	RE	RE_min	A	A_max
Alderson Rando	CT-SPECT	MI^a	0.36	0.55	0.9981	0.9969	0.0040	0.0119
	CT-MRI	LC^b	0.06	0.34	0.9999	0.9988	0.00003	0.0029
	CT-MRI	MI	0.10		0.9999		0.0001
Hoffman	CT-SPECT	MI	0.43	0.55	0.9991	0.9969	0.0039	0.0119
	CT-MRI	LC	0.22	0.34	0.9998	0.9988	0.0005	0.0029
	CT-MRI	MI	0.21		0.9992		0.0009

^aMI: Mutual information

^bLC: Local correlation