class_docstr: Test Cases for Camera FeatureConnector.
class_docstr_tok: ["Test","Cases","for","Camera","FeatureConnector","."]
code: def __get_camera_params(self):
      pose = {
          "R": np.eye(3).astype(np.float32),
          "t": np.zeros(3).astype(np.float32),
      }
      f = 35.0
      optical_center = (640 / 2, 480 / 2)
  
      return pose, f, optical_center
  
file_path: graphics/tensorflow_graphics/datasets/features/camera_feature_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import tensorflow
  import tensorflow_datasets
  from tensorflow_graphics.datasets.features import camera_feature
label_desc: Use image node_id 1 for calling the CameraFeatureTest obj's underlying member method code with example usage: obj.__get_camera_params() and returns: pose,  f,  optical_center