Removal of Partial-fourier induced Gibbs-ringing (RPG)

The partial-Fourier induced Gibbs-ringing is composed of ringings of two intervals. This code implements the removal of partial-Fourier induced Gibbs-ringing by applying local subvoxel-shifts twice, origianlly developed in Lee et al., Magnetic Resonance in Medicine 2021. An example of ringing removal in an image of partial Fourier factor = 6/8 is shown below.

References

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• Lee et al., Magnetic Resonance in Medicine 2021
• Kellner et al., Magnetic Resonance in Medicine 2016
• Original local subvoxel-shfits

Authors

• Hong-Hsi Lee
• Els Fieremans
• Dmitry S Novikov

License

This project is licensed under the LICENSE.