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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: IEEE Trans Med Imaging. 2013 May 16;32(9):1685–1697. doi: 10.1109/TMI.2013.2263388

Fig. 8.

Fig. 8

Comparative segmentation results in the transverse (left), coronal (middle) and sagittal (right) views. (a)–(c) The manual segmentation results. (d)–(f) Our proposed co-segmentation results in the CT image. (g)–(i) The segmentation results by the graph cut method solely using the CT image. (j)–(l) The segmentation results by the graph cut method solely using the PET image. (m)–(o) The segmentation results by the graph cut method on the fused PET-CT image. The typical improvements of the proposed method in comparison with those three other methods are indicated by arrows.