Table 2. Test evaluation results of U-NET models.

Model	Acc.	Recall	Precision	F1 Score	Dice coef.	J. Index
U-NET	97.76	98.09	97.51	97.80	96.51	95.71
U-NET+RESNET	98.27	98.49	97.46	97.97	96.33	96.03
RNGU-NET	98.56	98.75	97.64	98.03	97.21	96.87