class_docstr: Template class
class_docstr_tok: ["Template","class"]
code: def loss(self, H):
      return np.zeros(H.shape)
  
imports: import numpy
  from scipy.ndimage import gaussian_filter
  from ._registration import _L1_moments
label_desc: Use image node_id 2 for calling the SimilarityMeasure obj's underlying member method code with example usage: obj.loss(H) and returns: np