interpolate_through_H.py 文件源码

def ptransform(xy, M):
    """ Just a small wrapper to cv2.perspectiveTransform
    """
    if xy.shape[1] == 2:
        return cv2.perspectiveTransform(xy[:,np.newaxis,:], M).squeeze()
    else:
        return cv2.perspectiveTransform(xy.T[:,np.newaxis,:], M).squeeze().T