Table 12.

Comparison of the SSIM values of each sample image filtered using each filter (regarding edge preservation performance).

Image name	abwFMGFI	NLMF	GF	MF	BF	ABF
Geometric pattern	0.998	0.982	0.762	0.942	0.963	0.984
Milkdrop	0.987	0.984	0.771	0.926	0.962	0.975
Balloon	0.990	0.979	0.770	0.937	0.980	0.982
Earth	0.990	0.991	0.786	0.930	0.971	0.975
Pepper	0.986	0.991	0.781	0.925	0.973	0.984