class_docstr: Base Dataset for KeyPoint detection.
  
  Parameters
  ----------
  root : str
      The root path of xxx.names, by defaut is '~/.mxnet/datasets/foo', where
      `foo` is the name of the dataset.
class_docstr_tok: ["Base","Dataset","for","KeyPoint","detection",".","Parameters","--","--","--","--","--","root",":","str","The","root","path","of","xxx.names",",","by","defaut","is","'~\/.mxnet\/datasets\/foo","'",",","where","`","foo","`","is","the","name","of","the","dataset","."]
docstr: A dict that defines joint id -> parent_joint_id mapping if applicable, can be empty.
docstr_tok: ["A","dict","that","defines","joint","id","-",">","parent_joint_id","mapping","if","applicable",",","can","be","empty","."]
code: def parent_joints(self):
      """A dict that defines joint id -> parent_joint_id mapping if applicable, can be empty."""
      return {}
  
file_path: gluon-cv/gluoncv/data/base.py
imports: import os
  from mxnet.gluon.data import dataset
label_desc: Use image node_id 4 for calling the KeyPointDataset obj's underlying member method code with example usage: obj.parent_joints() and returns: dict