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Summary of CT number performance for each reconstruction kernel provided with FreeCT_wFBP. All values are within acceptable ACR ranges. All values are in HU.
| Polyethylene | Bone | Acrylic | Air | Water | |
|---|---|---|---|---|---|
| Smooth | −88.3 | 869.3 | 123.6 | −989.1 | −0.4 |
| Medium | −88.3 | 869.0 | 123.5 | −988.7 | −0.4 |
| Sharp | −88.1 | 866.6 | 123.4 | −988.1 | −0.3 |
| Acceptable range | −107 to −84 | 850 to 970 | 110 to 135 | −1005 to −970 | −7 to 7 |
