Table 3 Averaged ISNR of restored images with several noise levels with BLUR3

${\sigma }_L^2=\mathsf{\text{0}}\mathsf{\text{.308}}$

${\sigma }_M^2=\mathsf{\text{2}}$

${\sigma }_H^2=\mathsf{\text{8}}$

8.66 ± 0.03

0.77 ± 0.02

-4.91 ± 0.02

8.59 ± 0.03

2.83 ± 0.03

0.86 ± 0.02

13.95 ± 0.04

9.13 ± 0.04

6.30 ± 0.03

5.44 ± 0.04

-2.61 ± 0.03

-8.10 ± 0.01

5.68 ± 0.03

0.05 ± 0.03

-1.22 ± 0.02

13.02 ± 0.03

10.62 ± 0.05

8.68 ± 0.04

9.73 ± 0.03

7.06 ± 0.04

4.83 ± 0.02

10.27 ± 0.02

5.26 ± 0.03

4.05 ± 0.02

17.96 ± 0.06

10.43 ± 0.06

7.73 ± 0.04