Table 2.
The area over perturbation curve of the subject-classification of ground reaction forces for different noise perturbation runs (AOPC)59.
| Model/Noise | Gaussian Random σ = 0.5 |
Gaussian Random σ = 1.0 |
Gaussian Random σ = 2.0 |
Salt− Random |
Pepper Random |
Salt+ Random |
Shot Random |
|---|---|---|---|---|---|---|---|
| Linear (SGD) | 40.5 (6.0) | 45.6 (3.0) | 47.6 (1.8) | 46.1 (2.7) | 37.1 (7.0) | 46.4 (3.1) | 46.5 (2.9) |
| Linear (SVM) | 4.0 (3.9) | 18.6 (7.0) | 35.4 (4.7) | 31.3 (7.7) | 2.5 (2.4) | 32.8 (8.7) | 32.4 (8.6) |
| MLP (3, 64) | 16.2 (14.0) | 27.6 (12.6) | 37.8 (9.0) | 43.5 (7.1) | 14.4 (13.6) | 43.3 (7.4) | 43.3 (7.4) |
| MLP (3, 256) | 8.9 (9.7) | 20.8 (10.9) | 34.9 (8.4) | 41.7 (6.8) | 7.7 (9.5) | 41.2 (7.4) | 41.1 (7.5) |
| MLP (3, 1024) | 5.4 (7.0) | 16.7 (9.4) | 32.4 (7.8) | 40.0 (6.6) | 4.3 (6.1) | 39.4 (7.2) | 39.4 (7.2) |
| CNN-A | 6.1 (6.8) | 18.2 (9.4) | 33.1 (8.0) | 36.9 (6.6) | 8.8 (8.5) | 37.4 (7.5) | 37.4 (7.6) |
| CNN-C3 | 12.2 (8.6) | 27.5 (9.4) | 38.0 (7.0) | 31.0 (8.5) | 11.3 (8.6) | 37.9 (8.2) | 38.1 (8.1) |
Values are reported as pairs of mean (standard deviation). Smaller values correspond to higher robustness.