A mass conservation-based optical flow method for cardiac motion correction in 3D-PET.

@article{Dawood2013AMC,
  title={A mass conservation-based optical flow method for cardiac motion correction in 3D-PET.},
  author={Mohammad Dawood and Fabian Gigengack and Xiaoyi Jiang and Klaus P. Schafers},
  journal={Medical physics},
  year={2013},
  volume={40 1},
  pages={
          012505
        }
}
PURPOSE Cardiac positron emission tomography (PET) images usually show two kinds of artifacts: the limited resolution of PET leads to partial volume effects and the motion of the heart induces blurring. These phenomena degrade the PET images and induce errors in the quantification. One method of reducing this problem is to use gated PET data. However, the reduction of information per phase leads to an increase in noise on the reconstructed images. Alternatively, the PET data have to be… CONTINUE READING
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