TABLE III.
Improved lesion visibility in denoised images facilitated by the LeqMod. Metrics were averaged across all test cases from the three scanners at the 5% low-count level.
| Tversky Index (↑) | |||
|---|---|---|---|
| α=0.3, β=0.7 | α=0.5, β=0.5 (Dice) | α=0.7, β=0.3 | |
| low-count | 0.395±0.274 | 0.338±0.252 | 0.301±0.237 |
| w/o LeqMod | 0.637±0.194 | 0.653±0.185 | 0.674±0.175 |
| w LeqMod | 0.646±0.195 † | 0.664±0.182 † | 0.688±0.171 † |
P<0.05 based on the Wilcoxon signed-rank test between the w/o and w LeqMod groups.
(↑) represents expecting higher values.