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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: J Biomed Inform. 2008 Apr 7;41(6):863–873. doi: 10.1016/j.jbi.2008.03.013

Figure 4.

Figure 4

Comparison of rigid and deformable registration algorithms. A stack of twenty five images were registered using rigid registration algorithm (top) and nonrigid registration algorithm (bottom) and the 3-D reconstruction results are rendered. The frontal views show the crosssections of the reconstructed model. The benefits of using deformable registration algorithms are clearly visible in the frontal view of the image stack cross-section. In the top frontal view which is the cross section of the rigid registered images, the structures are jaggy and discontinuous. In the bottom frontal view, the results from the nonrigid (deformable) registration algorithm display smooth and continuous structures.