Expectation maximization reconstruction of positron emission tomography images using anatomical magnetic resonance information

@article{Lipsinski1997ExpectationMR,
  title={Expectation maximization reconstruction of positron emission tomography images using anatomical magnetic resonance information},
  author={B. Lipsinski and Hans Herzog and Elena Rota Kops and Walter Oberschelp and Hans-W. M{\"u}ller-G{\"a}rtner},
  journal={IEEE Transactions on Medical Imaging},
  year={1997},
  volume={16},
  pages={129-136}
}
Using statistical methods the reconstruction of positron emission tomography (PET) images can be improved by high-resolution anatomical information obtained from magnetic resonance (MR) images. The authors implemented two approaches that utilize MR data for PET reconstruction. The anatomical MR information is modeled as a priori distribution of the PET image and combined with the distribution of the measured PET data to generate the a posteriori function from which the expectation maximization… CONTINUE READING

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