Table 9.
Comparison of federated aggregation strategies.
| Aggregation method |
Accuracy (%) |
Convergence speed |
Robustness score |
Computation cost |
Key Characteristic |
|---|---|---|---|---|---|
| FedAvg | 96.56 | High | Medium | Low | Weighted by data size |
| FedAvgM | 96.32 | Medium | Medium | Low | Server momentum |
| FedProx | 95.88 | Medium | High | Medium | Proximal term ( ) |
| FedAdam | 96.18 | High | Medium | Medium | Adaptive optimization |
| Loss-weighted | 95.45 | Low | Low | High | Inverse loss weighting |
| Trimmed mean | 95.92 | Medium | High | Medium | Outlier robust (trim 20%) |
Significant values are in [bold].