Nonrigid 3D Medical Image Registration and Fusion Based on Deformable Models

Table 3

Comparison of intraregion uniformity and signal contrast between program and gold standards.

Image	𝑈𝑔	𝑈prg	GC𝑔	GCprg
t06 (P1)	0.9269	0.9265	0.3089	0.3108
t07 (P1)	0.9280	0.9278	0.3094	0.3109
t09 (P1)	0.9214	0.9214	0.2446	0.2475
t08 (P2)	0.9099	0.9099	0.1419	0.1443
t16 (P2)	0.9175	0.9176	0.1472	0.1508
Mean	0.9207	0.9206	0.2304	0.2329
P	0.2466		0.0028

𝑈_𝑔: intraregion uniformity of gold standard. 𝑈_prg: intraregion uniformity of program. GC_𝑔: signal contrast of gold standard. GC_prg: signal contrast of program. P: two-sided level of significance of the t-test for 𝑈_prg versus 𝑈_𝑔 and GC_prg versus GC_𝑔.