Relative role of motion and PSF compensation in whole-body oncologic PET-MR imaging.

@article{Petibon2014RelativeRO,
  title={Relative role of motion and PSF compensation in whole-body oncologic PET-MR imaging.},
  author={Yoann Petibon and Chuan Huang and Jinsong Ouyang and Timothy G. Reese and Quanzheng Li and Aleksandra Syrkina and Yen-Lin Evelyn Chen and Georges N El Fakhri},
  journal={Medical physics},
  year={2014},
  volume={41 4},
  pages={042503}
}
PURPOSE Respiratory motion and partial-volume effects are the two main sources of image degradation in whole-body PET imaging. Simultaneous PET-MR allows measurement of respiratory motion using MRI while collecting PET events. Improved PET images may be obtained by modeling respiratory motion and point spread function (PSF) within the PET iterative reconstruction process. In this study, the authors assessed the relative impact of PSF modeling and MR-based respiratory motion correction in… CONTINUE READING