shift¶

fft_psd_tools.shift(data, deltax, deltay, phase=0, nthreads=1, use_numpy_fft=False, return_abs=False, return_real=True)[source] [edit on github]¶

FFT-based sub-pixel image shift http://www.mathworks.com/matlabcentral/fileexchange/18401-efficient-subpixel-image-registration-by-cross-correlation/content/html/efficient_subpixel_registration.html

Will turn NaNs into zeros