code: def __init__(self, window_size=11):
      super(MSSSIM, self).__init__()
      self.window_size = window_size
  
file_path: benchmark_VAE/src/pythae/models/msssim_vae/msssim_vae_utils.py
imports: import numpy
  import torch
  import torch.nn.functional
label_desc: Use image node_id 1 to create a new MSSSIM object from inherited base classes: torch.nn with example: obj = MSSSIM(window_size)