Table 1.
RMSE comparison for mass map reconstruction.
| Method | RMSE ↓ |
|---|---|
| KS (no γ smoothing) | (1085 ± 2)×10−5 |
| iKS (no γ smoothing) | (1100 ± 2)×10−5 |
| KS (with γ smoothing) | (1018 ± 2)×10−5 |
| iKS (with γ smoothing) | (1023 ± 2)×10−5 |
| MCALens (no γ smoothing) | (978 ± 2)×10−5 |
| MCALens (with γ smoothing) | (976 ± 2)×10−5 |
Notes. The RMSE is evaluated between the true convergence map and the reconstructed mass maps obtained via the KS, iKS, and MCALens methods. It is evaluated for mass maps derived from shear maps that are either smoothed with a Gaussian kernel of standard deviation 0.4 arcmin or left unsmoothed. The values represent the mean RMSE across all realizations of the 25 cosmologies along with the error on the mean. To ensure a fair comparison, each mass map is further smoothed with a Gaussian kernel optimized to minimize its respective RMSE.
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