class_docstr: Denormalizes a tensor using provided mean, std
class_docstr_tok: ["Denormalizes","a","tensor","using","provided","mean",",","std"]
code: def __init__(self, mean, std):
      self.mean = mean
      self.std = std
  
imports: import random
  import torch
  from torchvision.transforms.functional import to_tensor
  import numpy
  from ..utils import th_random_choice
label_desc: Use image node_id 1 to create a new DeNormalize object  with example: obj = DeNormalize(mean, std)