smooth.py 文件源码

def blur(I, r):
    """
    This method performs like cv2.blur().

    Parameters
    ----------
    I: NDArray
        Filtering input
    r: int
        Radius of blur filter

    Returns
    -------
    q: NDArray
        Blurred output of I.
    """
    ones = np.ones_like(I, dtype=np.float32)
    N = box_filter(ones, r)
    ret = box_filter(I, r)
    return ret / N