Table 2.

Normalized confusion Matrix

True-Label	Model	Predicted Label
		Esophagus	Stomach	Small bowel	Colon
Esophagus	VGGNet	0.990	0.000	0.009	0.001
	ResNet	0.995	0.000	0.003	0.002
	GoogleNet	0.957	0.001	0.012	0.031
	AlexNet	0.979	0.000	0.019	0.002
Stomach	VGGNet	0.000	0.926	0.000	0.074
	ResNet	0.000	0.907	0.000	0.093
	GoogleNet	0.000	0.963	0.000	0.037
	AlexNet	0.000	0.870	0.000	0.130
Small bowel	VGGNet	0.004	0.000	0.991	0.005
	ResNet	0.070	0.003	0.848	0.079
	GoogleNet	0.072	0.006	0.825	0.097
	AlexNet	0.019	0.000	0.972	0.009
Colon	VGGNet	0.001	0.002	0.013	0.984
	ResNet	0.004	0.004	0.001	0.991
	GoogleNet	0.008	0.008	0.003	0.981
	AlexNet	0.003	0.004	0.017	0.977