Table 5.

Details of the ablation studies in our experiments.

		Scenario 1				Scenario 2
CA	LT	C-Dice ↑	V-Dice ↑	V-TPR ↑	V-FPR ↓	C-Dice ↑	V-Dice ↑	V-TPR ↑	V-FPR ↓
✗	✗	64.00	72.87	64.86	15.87	49.55	57.47	55.28	35.52
✓	✗	63.95	73.54	68.64	20.61	51.96	61.08	57.70	30.35
✗	✓	64.55	72.29	66.45	20.17	42.39	45.46	58.74	61.32
✓	✓	65.20	74.30	70.98	21.55	53.66	62.31	57.41	29.78

The bold values indicate the best performance.

“+ CA” and “+ LT” indicates the FedBN baseline constructed with the proposed central aggregation and local training mechanism, respectively.