Table 1. Abbreviation instructions.

Abbreviation	Full form
CNN	Convolutional neural networks
ViT	Vision transformers
NS	Nerve stimulation
AGs	Attention gates
FCN	Fully convolutional network
Dice	Dice coefficient
Acc	Accuracy
Pre	Precision
Sen	Sensitivity
Spec	Specificity
Cost	Computational cost
LN	Layer normalization
MSA	Multi-head self-attention
MLP	Multilayer perceptron
TP	True positive
FP	False positive
TN	True negative
FN	False negative