code: def restore_pic(img):
      return (img + 1.0) * 255.0 / 2.0
  
imports: import tensorflow
  import numpy
  from PIL import Image
  import sys
  from scipy import misc
  import os
  import time
  from adversarialbox.attacks.tf.tools import deepfool
  import facenet
label_desc: Use image node_id 3 for calling a global function with example usage: restore_pic(img) and returns: unknown