def remapOpenCv(im, coords):
    """
    Remap an image using OpenCV. See :func:`remap` for parameters.
    """
    # required for older OpenCV versions
    im = np.require(im, im.dtype, 'C')
    return cv2.remap(im, coords, None, cv2.INTER_LANCZOS4)
Remap an image using OpenCV. See :func:`remap` for parameters.