markerfunctions.py 文件源码

def get_topdown_quad(image, src):

    # src and dst points
    src = _order_points(src)

    (max_width,max_height) = _max_width_height(src)
    dst = _topdown_points(max_width, max_height)

    # warp perspective
    matrix = cv2.getPerspectiveTransform(src, dst)
    warped = cv2.warpPerspective(image, matrix, _max_width_height(src))

    return warped