Table A1.
Non-i.i.d. performance for 12 fastMRI clients. The average loss values over entire validation dataset are shown for peak signal-to-noise ratio (PSNR).
| Site 1 | Site 2 | Site 3 | Site 4 | Site 5 | Site 6 | Site 7 | Site 8 | Site 9 | Site 10 | Site 11 | Site 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSNR | PSNR | PSNR | PSNR | PSNR | PSNR | PSNR | PSNR | PSNR | PSNR | PSNR | PSNR | |
| FedAvg | 30.4 | 25.9 | 29.5 | 31.9 | 33.5 | 33.4 | 32.2 | 29.7 | 34.8 | 35.1 | 30.2 | 34.7 |
| FedAdam | 30.3 | 27.9 | 29.2 | 31.8 | 34.4 | 33.8 | 32.2 | 30.5 | 35.5 | 35.7 | 30.4 | 35.2 |
| FedYogi | 30.4 | 27.6 | 30.0 | 31.8 | 34.2 | 33.7 | 32.5 | 30.8 | 35.5 | 35.8 | 30.7 | 35.2 |
| FedAdaGrad | 30.2 | 27.6 | 29.5 | 31.8 | 34.0 | 33.4 | 32.2 | 30.2 | 35.1 | 35.2 | 30.5 | 35.0 |
| Scaffold | 30.8 | 28.9 | 30.6 | 32.5 | 34.2 | 33.5 | 32.2 | 30.6 | 35.1 | 35.5 | 30.9 | 34.9 |
| Centralized | 30.15 | 28.4 | 29.2 | 31.4 | 32.7 | 32.0 | 31.3 | 29.7 | 33.7 | 34.0 | 30.1 | 33.3 |