Image Restoration Based on Stochastic Resonance in a Parallel Array of Fitzhugh–Nagumo Neuron

Table 4

SSIM values of different restoration methods.

Recovery method	SSIM
	House	Rice	Einstein
Noisy image	0.0428	0.0481	0.0584
Mean filtering	0.1559	0.2178	0.1359
Wiener filtering	0.1482	0.1938	0.1281
2D SR	0.2142	0.2907	0.2535
FHN array L = 1	0.2219	0.3210	0.2407
FHN array L = 2	0.3895	0.6215	0.4058
FHN array L = 5	0.8351	0.8723	0.8155
FHN array L = 10	0.9223	0.9679	0.9574