Table 3.
Image noise in each reconstruction algorithm at different radiation doses.
| Radiation dose | Reconstruction algorithm | ||||
|---|---|---|---|---|---|
| FBP | HIR | MBIR | DLR | ||
| Image noise | 100% |
54.0 (0.09) |
19.3 (0.05) |
10.2 (0.12) |
15.4 (0.06) |
| 50% |
76.8 (0.17) |
22.7 (0.05) |
15.6 (0.09) |
16.9 (0.09) |
|
| 25% |
115.7 (0.23) |
24.2 (0.03) |
26.6 (0.05) |
16.7 (0.04) |
|
| Hounsfield units (SE) | |||||
Abbreviations: DLR, deep learning‐based reconstruction; FBP, filtered back projection; HIR, hybrid iterative reconstruction; MBIR, model‐based iterative reconstruction; SE, standard error.