code: def bair_preprocess(x):
      # Refer to the following BAIR Caffe Model Zoo
      # https://github.com/BVLC/caffe/blob/master/models/bvlc_googlenet/train_val.prototxt
      x = x.copy()
      x = x[:, :, :, ::-1]
      x[:, :, :, 0] -= 104.0
      x[:, :, :, 1] -= 117.0
      x[:, :, :, 2] -= 123.0
      return x
  
file_path: tensornets/tensornets/preprocess.py
imports: import numpy
label_desc: Use image node_id 3 for calling a global function with example usage: bair_preprocess(x) and returns: x