Calculating (\(\mu _{PE},\mu _{CS}\))
In 1976 Alvarez and Macovski14 described that for energies relevant for medical imaging, the x-ray attenuation \(\mu\) for any material can be approximated as
$$\begin{aligned} \mu (Z,E) = a_{PE}(Z) \times…
Material analysis through X-ray attenuation decomposition in spectral computed tomography
