ewoksndreg.math.fft.ifft_interpolate#
- ewoksndreg.math.fft.ifft_interpolate(arr, ROIoffset, ROIsize, sampling=1, cval=nan)[source]#
Interpolate array in fourier space
- Sub-region inverse Fourier transform with subpixel interpolation
Manuel Guizar-Sicairos, Samuel T. Thurman, and James R. Fienup, “Efficient subpixel image registration algorithms,” Optics Letters 33, 156-158 (2008).
- Parameters:
arr (
ndarray) – array in fourier spaceROIoffset (
Sequence) – sub-pixel grid (super-space)ROIsize (
Sequence) – sub-pixel grid (super-space)sampling (
int)
- Return type:
ndarray- Returns:
inverse FFT on sub-pixel grid