fft_tools Package¶
fft_tools Package¶
convolve_nd Module¶
correlate2d Module¶
fast_ffts Module¶
shift Module¶
zoom Module¶
scale Module¶
upsample Module¶
Fourier upsampling (or interpolation, scaling, zooming) is achieved via DFTs using a dot product rather than the usual fft, as there is (probably?) no way to perform FFTs with a different kernel.
This notebook demonstrates 1-d Fourier upsampling.