Table 3.

Reconstructed image before correction of cupping artifacts ($\text{RI}\_\text{BC}$), reconstructed image after correction of cupping artifacts, from work by Yang et al. ⁽¹⁹⁾ $\text{RI}\_\text{AC}\_\text{Ref}19$, reconstructed image after correction of cupping artifacts using this method ($\text{RI}\_\text{AC}\_\text{our}$)

	RMSE (edge)	RMSE (center)	${\tau }_{cup}$ (%)	CNR
$\text{RI}\_\text{BC}$	4.42	5.37	22.27	11.48
$\text{RI}\_\text{AC}\_\text{Ref}19$	5.31	4.41	0.6	7.74
$\text{RI}\_\text{AC}\_\text{our}$	4.40	5.8	0.7	8.59