code: def get_camera_features(seq_length):
      return {
          "focal_length": tf.float32,
          "sensor_width": tf.float32,
          "field_of_view": tf.float32,
          "positions": tfds.features.Tensor(
              shape=(seq_length, 3), dtype=tf.float32
          ),
          "quaternions": tfds.features.Tensor(
              shape=(seq_length, 4), dtype=tf.float32
          ),
      }
  
file_path: kubric/kubric/datasets/utils.py
imports: import json
  import numpy
  import tensorflow
  import tensorflow_datasets
  from kubric import file_io
label_desc: Use image node_id 2 for calling a global function with example usage: get_camera_features(seq_length) and returns: dict