RETRACTED: Artificial Intelligence Algorithm-Based Feature Extraction of Computed Tomography Images and Analysis of Benign and Malignant Pulmonary Nodules

Figure 2

Effect drawings of lung parenchyma image segmentation at each stage. (a) CT image of lung; (b) binarized lung CT image; (c) thoracic image; (d) chest cavity image; (e) binarized lung parenchyma image; (f) pulmonary parenchyma mask; (g) lung parenchyma image; (h) initial contour of lung nodules.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)