docstr: Computes one step bringing the reference image towards the static.
  
  Computes the forward update field to register the moving image towards
  the static image in a gradient-based optimization algorithm
docstr_tok: ["Computes","one","step","bringing","the","reference","image","towards","the","static",".","Computes","the","forward","update","field","to","register","the","moving","image","towards","the","static","image","in","a","gradient-based","optimization","algorithm"]
code: def compute_forward(self):
      r"""Computes one step bringing the reference image towards the static.
  
      Computes the forward update field to register the moving image towards
      the static image in a gradient-based optimization algorithm
      """
  
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 10 for calling the SimilarityMetric obj's underlying member method code with example usage: obj.compute_forward() without return types