def _thin_cond_g3():
    '\n    Thinning morphological operation; condition G3\n    :return: a LUT index mask\n    '
    return ((((lut_masks_one(2) | lut_masks_one(3)) | lut_masks_zero(8)) & lut_masks_one(1)) == 0)
Thinning morphological operation; condition G3
:return: a LUT index mask
def _thin_cond_g3():
    '\n    Thinning morphological operation; condition G3\n    :return: a LUT index mask\n    '
    return ((((lut_masks_one(2) | lut_masks_one(3)) | lut_masks_zero(8)) & lut_masks_one(1)) == 0)