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. Author manuscript; available in PMC: 2018 Mar 14.
Published in final edited form as: IEEE Trans Med Imaging. 2017 Aug 10;37(3):680–692. doi: 10.1109/TMI.2017.2738448

Fig. 1.

Fig. 1

The predecessor of the XCAT phantom was the NCAT, a model of the male human torso; females were modeled by adding breast surfaces to the torso. The NCAT was extended by adding more detailed structures and creating separate male and female anatomies, giving rise to the latest XCAT phantom models.