Table 4.

MRE and MSE results of testing phantom by FCNN in dual-energy imaging in practical experiments.

Solution	VMA map at 34 keV		VMA map at 43 keV
	MRE (%)	MSE (${\mathrm{cm}}^{-2}$)	MRE (%)	MSE (${\mathrm{cm}}^{-2}$)
14% NaCl	1.45	$3.18\times {10}^{-04}$	0.87	$1.64\times {10}^{-04}$
17% ${\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6$	1.26	$7.32\times {10}^{-05}$	0.93	$4.36\times {10}^{-05}$