Table 11.
Comparison of different augmentation techniques in Experiment 2: COVID-19, SARS, and MERS pneumonia.
| Method | Performance Metrics (%) |
||||
|---|---|---|---|---|---|
| Sensitivity (Recall) | Precision (PPV) | F1-score | Accuracy | Average Rank | |
| No Augmentation | 95.12 (5) | 96.44 (5) | 95.74 (5) | 95.56 (5) | 5.0 |
| Brightness & Contrast | 97.84 (3) | 97.98 (3) | 97.89 (2) | 97.62 (3) | 2.75 |
| Cropping & Fliping | 97.52 (4) | 98.05 (2) | 97.76 (3) | 97.56 (4) | 3.25 |
| Gaussian & Salt and pepper noise | 97.89 (2) | 97.66 (4) | 97.76 (3) | 97.68 (2) | 2.75 |
| Rotation and Translation | 98.89 (1) | 98.56 (1) | 98.73 (1) | 98.86 (1) | 1.0 |
*Bold numbers indicate the best performance.