EPI image reconstruction with correction of distortion and signal losses.

@article{Liu2006EPIIR,
  title={EPI image reconstruction with correction of distortion and signal losses.},
  author={Guoxiang Liu and Seiji Ogawa},
  journal={Journal of magnetic resonance imaging : JMRI},
  year={2006},
  volume={24 3},
  pages={683-9}
}
PURPOSE To derive and implement a method for correcting geometric distortions and recovering magnetic resonance imaging (MRI) signal losses caused by susceptibility-induced magnetic field gradients (SFGs) in regions with large static field inhomogeneities in echo-planar imaging (EPI). MATERIALS AND METHODS Factors to account for field inhomogeneities and SFGs were added in a traditional EPI equation that was a simple Fourier transform (FT) for expressing the actual k-space data of an EPI scan… CONTINUE READING

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