Table 4.

Results on the test set: FCN8 with respect to previously published methods.

	Data augmentation	IoU background	IoU polyp	IoU lumen	IoU spec.	IoU mean	Acc mean
FCN8 performance
4 classes	None	86.36	38.51	43.97	32.98	50.46	87.40
3 classes	None	84.66	47.55	36.93	—	56.38	86.08
2 classes	None	94.62	50.85	—	—	72.74	94.91
4 classes	Combination	88.81	51.60	41.21	38.87	55.13	89.69
State-of-the-art methods
[12, 13, 15]	—	73.93	22.13	23.82	44.86	41.19	75.58