Denoising Algorithm Based on Generalized Fractional Integral Operator with Two Parameters

Table 1

Results of denoising by Gaussian smoothing filter and fractional integral filter with different noise variance values.

Images (512×512)	Gaussian with noise variance	Input PSNR (dB)	PSNR (dB) Gaussian smoothing filter	PSNR (dB) Fractional integral filter
Lena	0.01	20.0966	23.8478	31.93251
Cameraman	0.02	17.5301	21.2419	28.8437
Boats	0.03	15.6127	19.3674	27.7730
Peppers	0.05	13.74429	17.5075	25.9861