Narrow-Energy-Width CT Based on Multivoltage X-Ray Image Decomposition

Table 1

Some origin values of NIST and difference of the linear attenuation coefficient of aluminum and silicon.

Energy/KeV	10.32	30.01	51.19	62.53	71.46	93.31	113.99	130.27
Aluminum/cm^−1	62.32	3.013	0.9526	0.7119	0.6112	0.4876	0.4318	0.4038
Silicon/cm^−1	69.46	3.293	0.9693	0.6984	0.5865	0.4519	0.3933	0.3648
Difference	−11.46%	−9.29%	−1.75%	1.90%	4.04%	7.32%	8.92%	9.66%