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Relative error and UQI (in parenthesis) of each VTV variant at its respective optimal λ value. These correspond to the minima of the error curves in Figure 1, ε(λopt).
| Regularizer | 80 kVp | 140 kVp |
|---|---|---|
| TVS | 5.501e-2 (0.9981) | 3.101e-2 (0.9994) |
| TVF | 4.820e-2 (0.9985) | 3.113e-2 (0.9994) |
| TVN | 3.876e-2 (0.9990) | 3.027e-2 (0.9994) |
