Edge Segmentation Algorithm‐Based Prevention of Recurrent Laryngeal Nerve Injury in Treatment of Thyroid Nodules Using Ultrasound Images

Table 1

Comparison of PA and IOU values.

Method	Analysis indicators	Image
		Ground truth	A	B	C
Watershed algorithm	PA	1	0.805	0.832	0.844
	IOU	1	0.788	0.792	0.781
Snake	PA	1	0.741	0.713	0.739
	IOU	1	0.634	0.598	0.609
GVF snake	PA	1	0.939	0.956	0.968
	IOU	1	0.858	0.861	0.879