TABLE 2. Hyperparameters Used for Baseline Methods for polyp Detection and Localisation Task on Kvasir-SEG. Here, CIoU: Complete Intersection-of-Union Loss, MSE: Mean Square Error, CE: Cross-Entropy.
| Method | Learning rate | Optimizer | Batch size | Loss | Anchors | Threshold |
|---|---|---|---|---|---|---|
| Faster R-CNN [50] | 2.5e−4 | Adam | 8 |
, log-loss |
256 | 0.4 |
| RetinaNet [49] | 1e−5 | SGD | 8 |
, focal loss |
15 (pyramid) | 0.3 |
| YOLOv3+spp [55] | 1e−3 | SGD | 16 | MSE, CE | 8 | 0.25 |
| YOLOv4 [56] | 1e−3 | SGD | 16 | CIoU, CE | 8 | 0.25 |
| EfficientDet-D0 [52] | 1e−4 | Adam | 8 | Focal loss | default | 0.4 |

