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

29

−0.87675

20.7695

18.8938

flower

256 × 256

22

0.099939

25.9711

20.1339

girl

216 × 233

20

−0.87384

20.7782

18.1269

Iline

1961 × 3553

29

−0.87735

21.8224

17.9203

university

480 × 640

26

−0.8717

20.6516

18.5907