TABLE II:
Quantitative performance evaluation of different methods when tested on the in-federation data. The best results are marked in bold. The underlined results indicate a statistically significant difference from our result (p<0.05).
| Models (# of param.) | DSC [Mean(SD) %] | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| Client #1 | Client #2 | Client #3 | Client #4 | Client #5 | Global | |||||
|
| ||||||||||
| Liver | Kidney | Pancreas | Spleen | Liver | Kidney | Pancreas | Spleen | Gallbladder | ||
| Localized | ||||||||||
| - Client #1 | 93.46(3.20) | - | - | - | - | - | - | - | - | |
| - Client #2 | - | 91.17(7.60) | - | - | - | - | - | - | - | |
| - Client #3 | - | - | 76.82(13.01) | - | - | - | - | - | - | 88.50 |
| - Client #4 | - | - | - | 91.98(3.75) | - | - | - | - | - | |
| - Client #5 | - | - | - | - | 95.93(2.00) | 94.80(2.81) | 78.91(11.06) | 95.47(2.78) | 80.29(19.40) | |
|
| ||||||||||
| Centralized | ||||||||||
| - U-Net (97M) | 95.22(2.68) | 95.52(3.30) | 80.50(11.82) | 95.52(1.82) | 96.69(1.28) | 93.27(4.48) | 82.25(9.37) | 96.17(2.95) | 84.76(17.77) | 91.48 |
| - MENU-Net (78M) | 95.27(2.81) | 95.52(6.28) | 81.48(9.09) | 96.32(1.58) | 96.99(1.00) | 95.00(2.33) | 83.88(8.67) | 96.56(2.35) | 85.20(17.98) | 92.02 |
|
| ||||||||||
| Federated | ||||||||||
| - U-Net (97M) | 94.48(2.28) | 94.54(6.18) | 79.38(12.69) | 93.75(4.71) | 96.76(1.55) | 92.40(4.56) | 80.79(11.89) | 95.72(2.97) | 83.38(15.62) | 90.39 |
| - MENU-Net (78M) | 94.07(3.09) | 95.94(3.75) | 80.05(12.02) | 94.65(2.98) | 96.70(1.15) | 93.74(2.23) | 82.14(9.45) | 96.34(2.09) | 86.08(14.48) | 91.14 |
| Models (# of param.) | ASD [Mean(SD) mm] | |||||||||
|
| ||||||||||
| Client #1 | Client #2 | Client #3 | Client #4 | Client #5 | Global | |||||
|
| ||||||||||
| Liver | Kidney | Pancreas | Spleen | Liver | Kidney | Pancreas | Spleen | Gallbladder | ||
|
| ||||||||||
| Localized | ||||||||||
| - Client #1 | 4.00(2.88) | - | - | - | - | - | - | - | - | |
| - Client #2 | - | 2.40(4.26) | - | - | - | - | - | - | - | |
| - Client #3 | - | - | 3.01(3.82) | - | - | - | - | - | - | 2.34 |
| - Client #4 | - | - | - | 1.11(0.62) | - | - | - | - | - | |
| - Client #5 | - | - | - | - | 0.95(1.08) | 0.87(3.31) | 1.48(1.03) | 0.67(1.01) | 1.99(3.33) | |
|
| ||||||||||
| Centralized | ||||||||||
| - U-Net (97M) | 1.95(1.63) | 3.26(6.31) | 2.04(2.80) | 1.17(1.62) | 1.02(1.82) | 4.87(9.15) | 1.30(1.26) | 0.64(1.93) | 1.52(3.26) | 2.06 |
| - MENU-Net (78M) | 1.86(2.07) | 0.88(1.98) | 1.85(1.49) | 0.30(0.13) | 0.61(0.47) | 0.72(1.40) | 1.19(1.28) | 0.36(0.62) | 1.24(2.22) | 1.14 |
|
| ||||||||||
| Federated | ||||||||||
| - U-Net (97M) | 3.75(4.08) | 3.11(6.11) | 2.36(4.01) | 1.54(2.72) | 1.40(1.86) | 2.82(6.02) | 1.93(3.87) | 0.45(0.60) | 1.56(2.89) | 2.48 |
| - MENU-Net (78M) | 2.56(2.47) | 0.79(1.03) | 2.10(2.45) | 0.54(0.42) | 0.94(1.59) | 0.80(0.89) | 1.53(1.54) | 0.41(0.52) | 1.34(2.70) | 1.40 |