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The recommended FWHM of smoothing filters determined by imaging quality and the SUVmax.
| Gaussian | Butterworth | Hamming | Hann | Parzen | Shepp-Logan | ||
|---|---|---|---|---|---|---|---|
| Image quality | N10mm < 5.6 | > 8 | > 9 | > 9 | > 10 | > 9 | > 12 |
| QH,10mm / N10mm > 2.8 | 8-12 | 9-11 | 9-13 | 10-13 | 9-11 | 12-15 | |
| SUVmax | JSNM Ref Range | 6-10 | 7-10 | 7-11 | 7-12 | 7-10 | 9-15 |
| The smallest RMSE | 7 | 8 | 8 | 8 | 7 | 11 | |
