Automatic Approach for Lung Segmentation with Juxta-Pleural Nodules from Thoracic CT Based on Contour Tracing and Correction

Figure 16

Illustration of segmentation errors of undersegmentation and oversegmentation. (a) and (c) indicate oversegmentation and undersegmentation, respectively. (b) and (d) indicate the manual segmentation as golden standard.

(a)

(b)

(c)

(d)