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Table 5.
Performance of the CNNs averaged over the five test sets containing visually classified galaxies from the HSC-SSP survey.
| Precision | Recall | |||||
|---|---|---|---|---|---|---|
| CNN model | z-bin 1 | z-bin 2 | z-bin 3 | z-bin 1 | z-bin 2 | z-bin 3 |
| [0.1; 0.31) | [0.31; 0.52) | [0.52; 0.76) | [0.1; 0.31) | [0.31; 0.52) | [0.52; 0.76) | |
| TNG-CNN | 0.78 ± 0.02 | 0.67 ± 0.02 | 0.61 ± 0.02 | 0.74 ± 0.01 | 0.67 ± 0.02 | 0.81 ± 0.01 |
| Horizon-CNN | 0.71 ± 0.01 | 0.76 ± 0.02 | 0.82 ± 0.01 | 0.84 ± 0.01 | 0.76 ± 0.01 | 0.63 ± 0.01 |
| Comb-CNN | 0.86 ± 0.02 | 0.80 ± 0.03 | 0.85 ± 0.02 | 0.68 ± 0.01 | 0.58 ± 0.02 | 0.56 ± 0.01 |
| Comb-CNN-2thr. | 0.86 ± 0.01 | 0.80 ± 0.03 | 0.85 ± 0.02 | 0.88 ± 0.01 | 0.81 ± 0.03 | 0.80 ± 0.03 |
| F1-score | Accuracy | |||||
| TNG-CNN | 0.76 ± 0.01 | 0.67 ± 0.02 | 0.69 ± 0.01 | 0.76 ± 0.01 | 0.67 ± 0.02 | 0.64 ± 0.02 |
| Horizon-CNN | 0.77 ± 0.01 | 0.76 ± 0.01 | 0.71 ± 0.01 | 0.75 ± 0.01 | 0.76 ± 0.02 | 0.75 ± 0.01 |
| Comb-CNN | 0.76 ± 0.01 | 0.67 ± 0.02 | 0.68 ± 0.01 | 0.79 ± 0.01 | 0.72 ± 0.02 | 0.73 ± 0.01 |
| Comb-CNN-2thr. | 0.87 ± 0.01 | 0.80 ± 0.02 | 0.82 ± 0.03 | 0.86 ± 0.01 | 0.77 ± 0.02 | 0.82 ± 0.03 |
Notes. The reported errors correspond to the standard deviation. Precision, recall, and F1-score refer only to the merger class.
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