PET Reconstruction With an Anatomical MRI Prior Using Parallel Level Sets

@article{Ehrhardt2016PETRW,
  title={PET Reconstruction With an Anatomical MRI Prior Using Parallel Level Sets},
  author={Matthias Joachim Ehrhardt and Pawel Markiewicz and Maria Liljeroth and Anna Barnes and Ville Kolehmainen and John S. Duncan and Luis Pizarro and David Atkinson and Brian F. Hutton and S{\'e}bastien Ourselin and Kris Thielemans and Simon R. Arridge},
  journal={IEEE Transactions on Medical Imaging},
  year={2016},
  volume={35},
  pages={2189-2199}
}
The combination of positron emission tomography (PET) and magnetic resonance imaging (MRI) offers unique possibilities. In this paper we aim to exploit the high spatial resolution of MRI to enhance the reconstruction of simultaneously acquired PET data. We propose a new prior to incorporate structural side information into a maximum a posteriori reconstruction. The new prior combines the strengths of previously proposed priors for the same problem: it is very efficient in guiding the… CONTINUE READING
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