(u)
return np.array(erosions, dtype=np.int8).max(0)
SI operator.
SI operator.
SI operator .
def sup_inf(u):
    """SI operator."""

    if np.ndim(u) == 2:
        P = _P2
    elif np.ndim(u) == 3:
        P = _P3
    else:
        raise ValueError("u has an invalid number of dimensions "
                         "(should be 2 or 3)")

    erosions = []
    for P_i in P:
        erosions.append(ndi.binary_erosion(u, P_i))

    return np.array(erosions, dtype=np.int8).max(0)
def sup_inf ( u ) : if np . ndim ( u ) == 2 : P = _P2 elif np . ndim ( u ) == 3 : P = _P3 else : raise ValueError ( "u has an invalid number of dimensions " "(should be 2 or 3)" ) erosions = [ ] for P_i in P : erosions . append ( ndi . binary_erosion ( u , P_i ) ) return np . array ( erosions , dtype = np . int8 ) . max ( 0 )