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Group :: Sciences/Mathematics
RPM: nfft

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Current version: 3.2.3-alt2
Build date: 19 september 2021, 13:33 ( 78.2 weeks ago )
Size: 2.20 Mb

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License: GPLv2+
Summary: Nonequispaced FFT, generalisations, inversion, and applications

NFFT3 is a software library written in C for computing nonequispaced
fast Fourier  and related transformations. In detail, NFFT3 implements

1) The nonequispaced fast Fourier transform (NFFT)
   - the forward transform (NFFT)
   - the adjoint transform (adjoint NFFT)
2) Generalisations of the NFFT
   - to arbitrary knots in time and frequency domain (NNFFT)
   - to the sphere S^2 (NFSFT)
   - to the hyperbolic cross (NSFFT)
   - to real-valued data, i.e. (co)sine transforms, (NFCT, NFST)
   - to the rotation group (NFSOFT)
3) Generalised inverses based on iterative methods, e.g. CGNR, CGNE
4) Applications in
   - medical imaging
        (i) magnetic resonance imaging
       (ii) computerised tomography
   - summation schemes
         (i) fast Gauss transform (FGT)
        (ii) singular kernels
       (iii) zonal kernels
   - polar FFT, discrete Radon transform, ridgelet transform

Current maintainer: Eugeny A. Rostovtsev (REAL)

List of contributors

List of rpms provided by this srpm:

  • libnfft
  • libnfft-debuginfo
  • libnfft-devel
  • libnfft-devel-doc
  • nfft
  • nfft-debuginfo
    design & coding: Vladimir Lettiev aka crux © 2004-2005, Andrew Avramenko aka liks © 2007-2008
    current maintainer: Michael Shigorin