class_docstr: Base class for CUB dataset.
  
      
class_docstr_tok: ["Base","class","for","CUB","dataset","."]
code: def _get_prob_map(self, i):
      prob_map = utils.read_label(
          self.prob_map_paths[i], dtype=np.uint8
      )
      prob_map = prob_map.astype(np.float32) / 255  # [0, 255] -> [0, 1]
      return prob_map
  
file_path: chainercv/chainercv/datasets/cub/cub_utils.py
imports: import filelock
  import numpy
  import os
  from chainer.dataset import download
  from chainercv.chainer_experimental.datasets.sliceable import GetterDataset
  from chainercv import utils
label_desc: Use image node_id 4 for calling the CUBDatasetBase obj's underlying member method code with example usage: obj._get_prob_map(i) and returns: prob_map