class_docstr: AFLW2000-3D dataset.
code: def _info(self):
      return self.dataset_info_from_configs(
          features=tfds.features.FeaturesDict(
              {
                  "image": tfds.features.Image(
                      shape=(450, 450, 3), encoding_format="jpeg"
                  ),
                  "landmarks_68_3d_xy_normalized": tfds.features.Tensor(
                      shape=(68, 2), dtype=np.float32
                  ),
                  "landmarks_68_3d_z": tfds.features.Tensor(
                      shape=(68, 1), dtype=np.float32
                  ),
              }
          ),
          homepage=(
              "http://www.cbsr.ia.ac.cn/users/xiangyuzhu/projects/3DDFA/main.htm"
          ),
      )
  
file_path: datasets/tensorflow_datasets/datasets/aflw2k3d/aflw2k3d_dataset_builder.py
imports: import os
  import numpy
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 1 for calling the Builder obj's underlying member method code with example usage: obj._info() and returns: self