Mathematics, Fourier Transform, Image Processing, Numpy.
by rows using the same vector radiusMap[:] = radiusVector # calculate x coordinates (source: https://en.wikipedia.org/wiki/Log-polar_coordinates) x = radiusMap * np.sin(anglesMap) + img.shape[0] // 2 # calculate y coordinates (source: https://en.wikipedia.org/wiki/Log-polar_coordinates) y =