Table 1.

Pre-processing Analysis for Datasets 1 and 2.

Dataset 1			Dataset 2
Methods	PSNR (dB)	SSIM	Methods	PSNR (dB)	SSIM
Traditional Wiener filter	29.560	0.906	Conventional Wiener filter	30.540	0.917
Gaussian filter	25.120	0.857	Gaussian filter	23.640	0.826
Median filter	27.860	0.876	Median filter	26.480	0.857
Improved Wiener filter	32.970	0.946	Improved Wiener filter	33.450	0.957