Table 2 Quantitative comparison of ablation studies in DMA framework for 64 views on AAPM simulation dataset.
From: Dual-Domain deep prior guided sparse-view CT reconstruction with multi-scale fusion attention
Components | DRONE prior | DMA-B | DMA-G | DMA-S | DMA-I | DMA |
|---|---|---|---|---|---|---|
MFA | - | UNet | GroupUNet | \(\checkmark\) | \(\checkmark\) | \(\checkmark\) |
SR | - | \(\checkmark\) | \(\checkmark\) | \(\checkmark\) | \(\checkmark\) | \(\checkmark\) |
IE | - | \(\checkmark\) | \(\checkmark\) | - | \(\checkmark\) | \(\checkmark\) |
PIC | - | - | - | - | - | \(\checkmark\) |
PSNR | 39.570 | 36.496 | 39.978 | 33.684 | 40.251 | 42.526 |
|  | ±0.985 | ±2.042 | ±1.738 | ±1.225 | ±1.513 | ±1.194 |
SSIM | 0.954 | 0.924 | 0.961 | 0.873 | 0.962 | 0.965 |
|  | ±0.007 | ±0.007 | ±0.007 | ±0.010 | ±0.007 | ±0.007 |