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VIGRA provides a powerful C++ API for the popular FFTW library for fast Fourier transforms. There are two versions of the API: an older one based on image iterators (and therefore restricted to 2D) and a new one based on MultiArrayView that works for arbitrary dimensions. In addition, the functions convolveFFT() and applyFourierFilter() provide an easy-to-use interface for FFT-based convolution, a major application of Fourier transforms.
© Ullrich Köthe (ullrich.koethe@iwr.uni-heidelberg.de) |
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