prepro.py 文件源码

def dilation(x, radius=3):
    """ Return greyscale morphological dilation of an image,
    see `skimage.morphology.dilation <http://scikit-image.org/docs/dev/api/skimage.morphology.html#skimage.morphology.dilation>`_.

    Parameters
    -----------
    x : 2D array image.
    radius : int for the radius of mask.
    """
    from skimage.morphology import disk, dilation
    mask = disk(radius)
    x = dilation(x, selem=mask)
    return x