:mod:`fft_tools` Package
.. automodapi:: image_registration.fft_tools
:mod:`convolve_nd` Module
.. automodapi:: image_registration.fft_tools.convolve_nd
:mod:`correlate2d` Module
.. automodapi:: image_registration.fft_tools.correlate2d
:mod:`fast_ffts` Module
.. automodapi:: image_registration.fft_tools.fast_ffts
:mod:`shift` Module
.. automodapi:: image_registration.fft_tools.shift
:mod:`zoom` Module
.. automodapi:: image_registration.fft_tools.zoom
:mod:`scale` Module
.. automodapi:: image_registration.fft_tools.scale
:mod:`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.
.. automodapi:: image_registration.fft_tools.upsample