Table 2.

FCN8 endoluminal scene semantic segmentation results for different data augmentation techniques. The results are reported on validation set.

Data augmentation	IoU background	IoU polyp	IoU lumen	IoU spec.	IoU mean	Acc mean
None	88.93	44.45	54.02	25.54	57.88	92.48
Zoom	89.89	52.73	51.15	37.10	57.72	90.72
Warp	90.00	54.00	49.69	37.27	58.97	90.93
Shear	89.60	46.61	54.27	36.86	56.83	90.49
Rotation	90.52	52.83	56.39	35.81	58.89	91.38
Combination	92.62	54.82	55.08	35.75	59.57	93.02