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Table 2.
Quantitative evaluation of the reconstructions on simulated elliptical and spiral disks: N-RMSE, defined in Eq. (19), for the reconstructions shown in Figs. 5–8.
| Score | Algorithm | αgt = 1 × 10−6 | αgt = 5 × 10−6 | αgt = 1 × 10−5 |
|---|---|---|---|---|
| Elliptical disk, see Figs. 5 and 6 | ||||
 |
REXPACO | 0.20 | 0.18 | 0.17 |
 |
REXPACO | 0.51 | 0.32 | 0.25 |
 |
cADI | 0.65 | 0.45 | 0.43 |
 |
REXPACO | 0.19 | 0.13 | 0.07 |
| Spiral disk, see Figs. 7 and 8 | ||||
 |
REXPACO | 0.75 | 0.66 | 0.32 |
 |
REXPACO | 0.76 | 0.81 | 0.35 |
s  |
cADI | 0.88 | 0.87 | 0.89 |
 |
REXPACO | 0.75 | 0.40 | 0.24 |
Notes. The N-RMSE is also given on the restrictions 𝒟(xgt) and 
to the area actually covered by the disks. The best scores are highlighted in bold fonts.
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