code: def normalize_image(image):
      image -= tf.constant(MEAN_RGB, shape=[1, 1, 3], dtype=image.dtype)
      image /= tf.constant(
          STDDEV_RGB, shape=[1, 1, 3], dtype=image.dtype
      )
      return image
  
file_path: flax/examples/imagenet/input_pipeline.py
imports: import jax
  import tensorflow
  import tensorflow_datasets
label_desc: Use image node_id 6 for calling a global function with example usage: normalize_image(image) and returns: image