Image Denoising of Adaptive Fractional Operator Based on Atangana–Baleanu Derivatives

Table 5

Comparison of the effectiveness of different fractional operators for the Pepper image.

		Noisy image	Method in [38]	TA_ABC	Ada_TA_ ABC	GL_ABC	Ada_GL_ABC
σ = 15	PSNR	24.6089	25.5672	26.6575	27.508	29.9746	30.3144
	SSIM	0.4525	0.4913	0.6472	0.7039	0.7407	0.7979
σ = 20	PSNR	22.1164	23.3792	26.0054	27.0188	28.8524	29.3238
	SSIM	0.3451	0.3904	0.576	0.6504	0.6927	0.7383
σ = 25	PSNR	20.1598	21.6034	25.2919	26.4364	27.72	28.2121
	SSIM	0.2723	0.3178	0.5095	0.5944	0.6326	0.6733