Table 1: PSNR quantitative comparison among five denoising models.

ImageSDIP-MF-O-PDEIF-O-PDE ROFFOTV

Barbara1031.242729.377629.377731.087131.2850
2026.623124.815524.815626.821227.0976
3024.449622.9267 22.927324.741524.9479

Lena1033.639331.544031.544233.837834.4747
2029.766527.808027.809830.410131.2153
30 27.443726.088326.101928.588929.3855

Peppers1033.6967 31.819931.820533.871534.0619
2030.027528.043728.045730.176831.0285
30 27.498226.1613 26.169428.268929.0046