Research Article

Nonrigid Registration of Lung CT Images Based on Tissue Features

Figure 2

(a) The matched pairs only using symmetrical nearest neighborhood method. (b) The retained pairs after using our method. (c) The removed point pairs using our method. The red points are points detected in one thoracic volume, and the blue points are in the other. The black lines link matched pairs.
834192.fig.002a
(a)
834192.fig.002b
(b)
834192.fig.002c
(c)