A Method to Improve Electron Density Measurement of Cone-Beam CT Using Dual Energy Technique

Table 1

The results of the virtual phantom simulation.

Material	(g⋅cm^−3)
	Calculated	Theoretical	Error (%)
Si	2.3071	2.3278	0.88
PMMA	1.2888	1.2945	0.44
PE	1.0559	1.0608	0.46
C	1.6839	1.6984	0.85
H2O	1.1091	1.1102	0.10