Table 4.

Quantitative comparison of amplification factor α values using MSE, PSNR, and SSIM (σ = {15, 30, 60}).

α	MSE	PSNR in dB	SSIM
0.5	1,200	17.35	0.782
1.0	730	19.55	0.835
1.5	280	23.70	0.915
2.0	1,620	16.15	0.735