Open Access
Table 5
Source detection mAP@50 for the RGZ and MGCLS datasets.
| Backbone | RGZ mAP@50 | MGCLS mAP@50 | ||
|---|---|---|---|---|
| frozen | Fine-tuned | frozen | Fine-tuned | |
| ViT-Base supervised | – | 0.51 | – | 0.885 |
| MSN | 0.70 (+0.19) | 0.71 (+0.20) | 0.878 (−0.006) | 0.891 (+0.007) |
| DINOv1 | 0.63 (+0.12) | 0.73 (+0.22) | 0.886 (+0.001) | 0.896 (+0.011) |
| MAE | 0.51 (+0.00) | 0.73 (+0.22) | 0.867 (−0.018) | 0.873 (+0.005) |
| SigLIP | 0.46 (−0.05) | 0.679 (+0.17) | 0.872 (−0.013) | 0.878 (−0.007) |
| AM-RADIO | 0.47 (−0.04) | 0.605 (+0.09) | 0.867 (−0.018) | 0.885 |
| ResNet 50 supervised | – | 0.654 | – | 0.873 |
| ResNet 50 | 0.627 (−0.027) | 0.714 (+0.06) | 0.849 (−0.024) | 0.873 (+0.00) |
| ResNet 18 supervised | – | 0.641 | – | 0.511 |
| ResNet 18 | 0.311 (−0.33) | 0.644 (+0.003) | 0.020 (−0.490) | 0.511 (+0.00) |
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