Table 2.
Summary of the subjective evaluation of each image set.
| 10% PET Image Set | 20% PET Image Set | 50% PET Image Set | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | (95% CI) | Mean | (95% CI) | Mean | (95% CI) | |||||
| MOS | Lung | 1.41 | 1.35 | 1.48 | 2.17 | 2.09 | 2.26 | 3.41 | 3.32 | 3.49 |
| Liver | 1.40 | 1.34 | 1.46 | 2.08 | 2.00 | 2.16 | 3.31 | 3.22 | 3.39 | |
| Bowel | 1.20 | 1.15 | 1.25 | 1.78 | 1.69 | 1.86 | 3.08 | 2.99 | 3.17 | |
| ICC (3,3) | Lung | 0.48 | 0.28 | 0.63 | 0.53 | 0.36 | 0.67 | 0.62 | 0.48 | 0.73 |
| Liver | 0.55 | 0.38 | 0.68 | 0.43 | 0.21 | 0.59 | 0.56 | 0.39 | 0.69 | |
| Bowel | 0.06 | −0.29 | 0.33 | 0.35 | 0.10 | 0.54 | 0.14 | −0.18 | 0.39 | |
|
SR-PET Image
(Proposed Method) |
100% PET Image Set | |||||||||
| Mean | (95% CI) | Mean | (95% CI) | |||||||
| MOS | Lung | 3.96 | 3.87 | 4.05 | 4.23 | 4.15 | 4.31 | |||
| Liver | 3.80 | 3.71 | 3.89 | 4.27 | 4.20 | 4.35 | ||||
| Bowel | 3.67 | 3.57 | 3.77 | 3.85 | 3.77 | 3.94 | ||||
| ICC (3,3) | Lung | 0.48 | 0.28 | 0.63 | 0.31 | 0.06 | 0.51 | |||
| Liver | 0.43 | 0.22 | 0.60 | 0.55 | 0.38 | 0.68 | ||||
| Bowel | 0.32 | 0.07 | 0.52 | 0.19 | −0.12 | 0.42 | ||||
PET: Positron emission tomography, SR-PET: Super-resolved PET, MOS: Mean opinion score, ICC: Intraclass correlation coefficients, and 95% CI: 95% confident interval.