def _thin_iter_2_lut():
    '\n    Thinning morphological operation; lookup table for iteration 2\n    :return: lookup table\n    '
    lut = identity_lut()
    cond = ((_thin_cond_g1() & _thin_cond_g2()) & _thin_cond_g3_prime())
    lut[cond] = False
    return lut
Thinning morphological operation; lookup table for iteration 2
:return: lookup table
def _thin_iter_2_lut():
    '\n    Thinning morphological operation; lookup table for iteration 2\n    :return: lookup table\n    '
    lut = identity_lut()
    cond = ((_thin_cond_g1() & _thin_cond_g2()) & _thin_cond_g3_prime())
    lut[cond] = False
    return lut