nfft-3 (math/nfft-3) Add to my watchlist

Fast C routines to compute the Non-equispaced Discrete Fourier Transform

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 * magnetic resonance imaging * computerised tomography - summation schemes * fast Gauss transform (FGT) * singular kernels * zonal kernels - polar FFT, discrete Radon transform, ridgelet transform

Version: 3.5.0 License: GPL-2+

GitHub

Maintainers	jens (GitHub handle not provided)
Categories	math
Homepage	http://www.nfft.org/
Platforms	darwin
Variants	bspline (compile with B-Spline window) gaussian (compile with Gaussian window) kaiserbessel (compile with Kaiser-Bessel window (default)) sinc (compile with Sinc window) universal (Build for multiple architectures)

"nfft-3" depends on

lib (1)

fftw-3

build (1)

clang-9.0

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nfft-3 seems to have been updated (port version: 3.5.0, new version: 3.5.4-rc1)

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