Table 2 Average PSNR/SSIM on the 2000 image LoDoPab testing dataset.
Method | Avg. PSNR (dB) | Avg. SSIM | # Parameters |
|---|---|---|---|
Filtered backprojection | 19.27 | 0.354 | 1 |
TV superiorization | 26.65 | 0.697 | 2 |
TV minimization | 28.52 | 0.765 | 4 |
Unrolled network | 29.30 | 0.800 | 96,307 |
F-FPN (proposed) | 30.46 | 0.832 | 96,307 |