Table 2.
Detailed rules for qualitative analysis of image quality
| Parameter | Score | |||||
|---|---|---|---|---|---|---|
| 6 | 5 | 4 | 3 | 2 | 1 | |
| Geometric distortion | no distortion | probably no distortion | faint severe distortion | partially severe distortion | severe distortion | extremely severe distortion |
| Image blurring | no blurring | probably no blurring | faint severe blurring | partially severe blurring | severe blurring | extremely severe blurring |
| Ghosting artifacts | no artifact | probably no artifact | faint severe artifact | partially severe artifact | severe artifact | extremely severe artifact |
| Lesion conspicuity | outstanding | good | above average | below average | poor | unacceptable |
| Overall image quality | outstanding | good | above average | below average | poor | unacceptable |