code: def denormalizeMeanVariance(
      in_img, mean=(0.485, 0.456, 0.406), variance=(0.229, 0.224, 0.225)
  ):
      # should be RGB order
      img = in_img.copy()
      img *= variance
      img += mean
      img *= 255.0
      img = np.clip(img, 0, 255).astype(np.uint8)
      return img
  
imports: import numpy
  import cv2
  from skimage import io
label_desc: Use image node_id 3 for calling a global function with example usage: denormalizeMeanVariance(in_img, mean, variance) and returns: img