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Fast C routines to compute the Non-equispaced Discrete Fourier TransformNFFT3 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+ GitHubMaintainers | jens (GitHub handle not provided) |
Categories | math |
Homepage | http://www.nfft.org/ |
Platforms | darwin |
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nfft-3 seems to have been updated (port version: 3.5.0, new version: 3.5.4-rc1)
livecheck ran: 21 hours ago