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

Table 2

PSNR value of noisy rice image under different restoration methods.

Image name	Image size	PSNR (dB)
		Noisy rice	Wiener filtering	Mean filtering	2D stochastic resonance	The proposed method
						L = 1	L = 2	L = 5	L = 10
Rice	256 × 256	8.2193	16.1337	15.5463	13.0480	17.2653	23.4991	35.1580	42.0800