images

size n × m

number of iterations

$\frac{{\Vert denoisedI-noisyI\Vert }^2}{\left(MN\ast sigm{a}^2\right)-1}$

denoised PSNR

noisy PSNR

cameraman

398 × 398

25

0.1349

24.6132

20.3181

barbara

510 × 510

25

0.41724

22.3979

20.1075

camera

340 × 340

26

0.1179

24.9959

20.4143

flower

256 × 256

22

0.099939

25.9711

20.1339

girl

216 × 233

21

0.018344

26.1987

20.2102

Iline

1961 × 3553

24

34.5489

34.5489

19.9895

university

480 × 640

25

0.050125

25.0007

20.554