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Low-pass filtering via FFTW: artefacts and wrong scaling #2 0 58 (5/2/2006 12:15:58 PM) comp.dsp Dear members, in order to convolve a greyscale image with a gaussian I used FFT (release 3.1.1) to work in fourier domain. In detail my initial data i lying on a 1000x10000 point grid, correspondingly I've put... norpoth

Low-pass filtering via FFTW: artefacts and wrong scaling 5 45 (4/27/2006 2:19:20 PM) comp.dsp Dear members, I work on magneto-optical imaging (MOIF) of magnetic nanostructures. T compare exact calculations of magnetic field distributions wit experimental data, I want to perform some low-pass filtering o... norpoth

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Low-pass filtering via FFTW: artefacts and wrong scaling 5 45 (4/27/2006 2:19:20 PM) comp.dsp Dear members, I work on magneto-optical imaging (MOIF) of magnetic nanostructures. T compare exact calculations of magnetic field distributions wit experimental data, I want to perform some low-pass filtering o... norpoth (4)