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Detection success based on different pixel resolutions.
| Model | Resolutions | mAP | Accuracy | Sensitivity | Specificity |
|---|---|---|---|---|---|
| Two-stage YOLO v3 | 672 × 378 | 0.948 | 0.986 | 0.898 | 0.992 |
| 1440 × 810 | 0.957 | 0.988 | 0.926 | 0.993 | |
| 1920 × 1080 | 0.956 | 0.989 | 0.924 | 0.994 |
The original images had a pixel resolution of 1920 × 1080 pixels. These were rescaled to 672 × 378 and 1920 × 1080 pixels before the comparative model testing was conducted.
