Table 8.

Opacity score linear regression from global Brixia score.

	Correlation	$R^2$	MAE	MSE	coef	intercept
from
Best (Cohen et al., 2020a)	0.80 $\pm$ 0.05	0.60 $\pm$ 0.17	1.14 $\pm$ 0.11	2.06 $\pm$ 0.34	–	–
BS-Net on Cohen set	0.84 $\pm$ 0.05	0.54 $\pm$ 0.17	0.67 $\pm$ 0.10	0.68 $\pm$ 0.18	0.31 $\pm$ 0.01	0.15 $\pm$ 0.08
BS-Net on our subset	0.85 $\pm$ 0.08	0.53 $\pm$ 0.24	0.67 $\pm$ 0.12	0.67 $\pm$ 0.22	0.31 $\pm$ 0.01	0.09 $\pm$ 0.09
$R_s$ on our subset	0.90 $\pm$ 0.06	0.72 $\pm$ 0.13	0.55 $\pm$ 0.10	0.45 $\pm$ 0.15	0.28 $\pm$ 0.01	0.55 $\pm$ 0.07