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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. 4.

Fig. 4

One typical slice of a cost image for the region term in (a) CT and (b) PET images. The target tumor boundary is labeled by the red contour. A larger intensity value indicates that the voxel is of the tumor in a higher probability.