Research Article

Nonrigid Registration of Lung CT Images Based on Tissue Features

Figure 3

Fusion images of two phases of digital phantom: (a) before registration, (b) after registration using the proposed method, and (c) after registration using the conventional SIFT method.
834192.fig.003a
(a)
834192.fig.003b
(b)
834192.fig.003c
(c)