Performed in the Fourier (k-space) domain
Can be used for computationally efficient data augmentation for training DL models
see examples
@article{duffy2021retrospective, title={Retrospective motion artifact correction of structural MRI images using deep learning improves the quality of cortical surface reconstructions}, author={Duffy, Ben A and Zhao, Lu and Sepehrband, Farshid and Min, Joyce and Wang, Danny JJ and Shi, Yonggang and Toga, Arthur W and Kim, Hosung and Alzheimer's Disease Neuroimaging Initiative and others}, journal={Neuroimage}, volume={230}, pages={117756}, year={2021}, publisher={Elsevier} }