Table 6.

Comparison of the SSIM values of each sample image filtered using the variable level of BW of FMGFI (against the salt-and-pepper noise).

Image name	abwFMGFI	FMGFI
		BW = 1 level	BW = 3 level	BW = 5 level	BW = 11 level	BW = 21 level	BW = 51 level
Geometric pattern	0.999	0.953	0.999	0.999	0.997	0.993	0.695
Milkdrop	0.930	0.871	0.926	0.922	0.915	0.913	0.894
Balloon	0.891	0.844	0.887	0.885	0.879	0.871	0.841
Earth	0.926	0.878	0.911	0.916	0.915	0.905	0.887
Pepper	0.892	0.843	0.888	0.889	0.881	0.873	0.845