Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The detectable minimum diameters of the low‐contrast object at different radiation doses.
| Radiation dose | Reconstruction algorithm | ||||
|---|---|---|---|---|---|
| FBP | HIR | MBIR | DLR | ||
| Detectable minimum diameter | 100% | 7.0 | 6.5 | 5.0 | 6.0 |
| 50% | 8.0 | 8.0 | 7.0 | 7.5 | |
| 25% | 9.0 | 9.0 | 9.0 | 8.0 | |
| mm | |||||
Abbreviations: DLR, deep learning‐based reconstruction; FBP, filtered back projection; HIR, hybrid iterative reconstruction; MBIR, model‐based iterative reconstruction.
