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Non-uniform FFT in 1D, 2D and 3D for CPU and GPU (CUDA)

Project description


mrrt.nufft includes:

  • 1D, 2D and 3D Transform from uniformly spaced spatial grid to non-uniformly spaced Fourier samples.
  • 1D, 2D and 3D Inverse Transform non-uniformly spaced Fourier samples to uniformly sampled spatial.
  • All transforms have both low memory and sparse-matrix (precomputed) variants.
  • Transforms can be applied to NumPy arrays (CPU) or to CuPy arrays (GPU).


mrrt.nufft is licensed under the terms of the BSD 3-clause license. See the file “LICENSE.txt” and “LICENSES_bundled.txt” for information on the history of this software, terms & conditions for usage, and a DISCLAIMER OF ALL WARRANTIES.

All trademarks referenced herein are property of their respective holders.

Copyright (c) 2014-2020, Gregory R. Lee, Cincinnati Children’s Hospital Medical Center.

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