Table 4 The performance results of different training schemes.
Method | Training scheme | Precision | Recall | F1-score |
|---|---|---|---|---|
Faster RCNN | Non-text elements | 43.72 | 46.96 | 45.28 |
Non-text elements (mixed training) | 36.53 | 44.37 | 40.07 | |
Text elements (mixed training) | 26.45 | 23.93 | 25.13 | |
All elements (mixed training) | 35.33 | 37.42 | 36.34 | |
FCOS | Non-text elements | 46.45 | 49.02 | 47.70 |
Non-text elements (mixed training) | 32.71 | 45.39 | 38.02 | |
Text elements (mixed training) | 42.64 | 39.7 | 41.12 | |
All elements (mixed training) | 41.46 | 48.71 | 44.79 | |
YOLOv4 | Non-text elements | 49.57 | 52.81 | 51.14 |
Non-text elements (mixed training) | 38.99 | 48.23 | 43.12 | |
Text elements (mixed training) | 32.92 | 31.43 | 32.16 | |
All elements (mixed training) | 39.77 | 48.83 | 43.84 |
