docstr: The numerical value assigned by this metric to the current image pair
  
  Returns the EM (data term) energy computed at the largest
  iteration
docstr_tok: ["The","numerical","value","assigned","by","this","metric","to","the","current","image","pair","Returns","the","EM","(","data","term",")","energy","computed","at","the","largest","iteration"]
code: def get_energy(self):
      r"""The numerical value assigned by this metric to the current image pair
  
      Returns the EM (data term) energy computed at the largest
      iteration
      """
      return self.energy
  
imports: import abc
  import numpy
  from numpy import gradient
  from scipy import ndimage
  from dipy.align import vector_fields
  from dipy.align import sumsqdiff
  from dipy.align import crosscorr
  from dipy.align import expectmax
  from dipy.align import floating
label_desc: Use image node_id 9 for calling the EMMetric obj's underlying member method code with example usage: obj.get_energy() and returns: self