Automatic Recognition and Classification System of Thyroid Nodules in CT Images Based on CNN

Table 4

Classification performance results.

Method	Accuracy	Recall	Precision	Specificity	F1-score	ROC
Unet (3)	53.33	45.71	88.8	80.00	60.35	0.6394
Unet + Vgg16	71.11	75.49	87.50	63.33	81.05	0.7413
Unet + DenseNet	79.26	83.81	88.89	63.33	86.28	0.7704
Unet + CNN-1	80.74	86.67	88.35	60.00	86.51	0.7835
Unet + CNN-2	82.22	84.76	91.75	73.33	88.12	0.7968
Unet + CNN-F	85.92	91.43	90.57	66.67	91.00	0.8253