Skip to main content
. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: IEEE Trans Radiat Plasma Med Sci. 2019 Jan;3(1):1–23. doi: 10.1109/TRPMS.2018.2883437

Fig. 18.

Fig. 18.

Evaluation of a 4D PET image reconstruction method with respiratory motion (RM) compensation using the 4D XCAT phantom with respiratory motion capabilities. (a) A sample coronal slice from the 3D XCAT phantom with three lung lesions and no RM. The PET images of the same coronal slice obtained from (b) a 3D Maximum Likelihood-Expectation Maximization (ML-EM) image reconstruction algorithm with no RM compensation, (c) a 4D ML-EM image reconstruction with RM compensation using known RM modeling, and (d) a 4D ML-EM image reconstruction with RM compensation using an estimated 4D RM model.