code: def _posterize_increasing_level_to_arg(level, hparams):
      # As per Tensorflow models research and UDA impl
      # range [4, 0], 'keep 4 down to 0 MSB of original image',
      # intensity/severity of augmentation increases with level
      return (4 - _posterize_level_to_arg(level, hparams)[0],)
  
imports: import math
  import numpy
  import random
  import re
  import PIL
  from PIL import Image, ImageEnhance, ImageOps
label_desc: Use image node_id 28 for calling a global function with example usage: _posterize_increasing_level_to_arg(level, hparams) and returns: unknown