Accurate Coregistration between Ultra-High-Resolution Micro-SPECT and Circular Cone-Beam Micro-CT Scanners

Table 4

Statistics of maximum coregistration error analyzed for all markers.

Coregistration error (mm)	Mouse bed (0.35 mm pinholes)		Rat bed (1.0 mm pinholes)
	Average	Maximum	Average	Maximum
𝑋	0.0561	0.0923	0.2127(0.3045)	0.5632(0.6702)
𝑌	0.1017	0.1777	0.1286(0.4048)	0.2979(0.5816)
𝑍	0.0749	0.1991	0.1440(0.3668)	0.3964(0.6299)
3D	0.2843	0.3779	0.4448(0.8672)	0.6481(1.0880)
	(5 markers)		New stitching (traditional stitching) (8 markers)