[Retracted] Level Set Image Feature Detection and Application in COVID-19 Image Feature Knowledge Detection

Figure 7

Segmentation of medical body data by different models.

(a) CV model segmentation

(b) The segmentation results are differentiated

(c) Local CV model segmentation

(d) The segmentation results are differentiated

(e) Global variational minimization level set segmentation

(f) The segmentation results are differentiated