def METHOD_NAME(self):
    label_dir = os.path.join(self.raw_uri, self.base_dir, self.label_dir)
    label_paths = list_paths(label_dir, ext='.geojson')
    label_re = re.compile(r'.*{}(\d+)\.geojson'.format(
        self.label_fn_prefix))
    scene_ids = [
        label_re.match(label_path).group(1) for label_path in label_paths
    ]
    return scene_ids