Skip to main content
. 2008 Jul 8;35(8):3453–3461. doi: 10.1118/1.2948349

Figure 2.

Figure 2

Flowchart of the lung segmentation algorithm: (a) an original 2D CT image; (b) initial thresholded results; (c) nonlung region flooding; (d) enlargement of (c); (e) inner lung border tracing; and (f) lung border smoothing.