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Coefficients used for tri-linear scaling according to LAC = a × CT + b.
| Tube potential (kVp) | −1000 < CT < 0
|
0 < CT < 1000
|
1000 < CT < 30000
|
|||
|---|---|---|---|---|---|---|
| a (cm−1-HU) | b (cm−1) | a (cm−1-HU) | b (cm−1) | a (cm−1-HU) | b (cm−1) | |
| 80 | 9.30e-5 | 0.093 | 3.28e-5 | 0.093 | 4.10e-6 | 0.122 |
| 100 | 9.30e-5 | 0.093 | 4.00e-5 | 0.093 | 5.00e-6 | 0.128 |
| 120 | 9.30e-5 | 0.093 | 4.71e-5 | 0.093 | 5.89e-6 | 0.134 |
| 140 | 9.30e-5 | 0.093 | 5.59e-5 | 0.093 | 6.98e-6 | 0.142 |
