Table II.
Hotelling trace J calculation for FBP reconstructed images by KL-PWLS, OSEM and Hanning filter
| ROI (pixels x pixels) | 15 x 15 | 20 x 20 | 25 x 25 |
|---|---|---|---|
| KL-PWLS | 6.32 | 8.97 | 15.9 |
| Hanning | 4.03 | 6.03 | 10.8 |
| OSEM | 2.69 | 4.14 | 7.09 |
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