class_docstr: Laplace regularizer for a 2D convolutional layer.
code: def __init__(self):
      super().__init__()
      self.laplace = Laplace()
  
imports: import torch.nn
  import numpy
  import torch
label_desc: Use image node_id 1 to create a new LaplaceL2 object from inherited base classes: nn with example: obj = LaplaceL2()