Mathematics, Fourier Transform, Image Processing, Numpy.
import map_coordinates def get_polar(img, shape): # Adapted from https://github.com/polakluk/fourier-mellin/blob/master/script.py anglesMap = np.zeros(shape, dtype=np.float64) # each column has 0 in its first row and -pi in its last row anglesVector = np.linspace(0, 2.0*np.pi, 360, endpoint=False)