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

Table 3

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

		Noisy image	Method in [38]	TA_ABC	Ada_TA	GL_ABC	Ada_GL_ABC
σ = 15	PSNR	24.602	25.8	29.1284	30.5185	31.5693	32.5138
	SSIM	0.4239	0.4754	0.6484	0.7174	0.7575	0.8033
σ = 20	PSNR	22.1297	23.4999	28.0504	29.5162	30.4062	30.8692
	SSIM	0.3101	0.363	0.574	0.66	0.714	0.739
σ = 25	PSNR	20.1507	21.7676	26.9874	28.542	28.8114	29.3865
	SSIM	0.233	0.2867	0.5048	0.6024	0.6385	0.6719