Table 2. Evaluation metrics table of PUFH dataset.

	IoU (%)	Acc (%)	Kappa (%)	Dice (%)
U-Net	86.85	99.54	92.72	92.96
AttentionU-Net	82.06	99.36	89.81	90.14
UNet3Plus	65.10	98.53	78.10	78.86
UNetPlusPlus	81.92	99.42	89.76	90.06
U2-Net	90.11	99.68	94.63	94.80
SEU2-Net (Ours)	90.55	99.70	94.89	95.04
DDRNet _23	83.90	99.49	90.98	91.24
DNLNet	83.99	99.48	91.03	91.30
GSCNN	84.22	99.49	91.17	91.43

Notes.

Bold styling indicates the maximum or highest values.