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

Table 2

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

		Noisy image	Method in [36]	TA_ABC	Ada_TA_ABC	GL_ABC	Ada_GL_ABC
σ = 15	PSNR	24.6047	25.8887	26.6857	28.3095	30.6827	31.2764
	SSIM	0.4466	0.498	0.6325	0.7147	0.7498	0.8126
σ = 20	PSNR	22.1006	23.6471	26.0032	27.6077	29.2995	29.9716
	SSIM	0.3392	0.3953	0.556	0.6524	0.6924	0.7482
σ = 25	PSNR	20.1839	22.0718	25.3131	27.0041	28.3211	28.7544
	SSIM	0.2682	0.3296	0.4895	0.5979	0.6516	0.6845