code: def create_operator(self, ctx, shapes, dtypes):
      return CascadeRefineOperator(
          self.stride, self.network, self.dataset, self.prefix
      )
  
imports: from __future__ import print_function
  import sys
  import mxnet
  import numpy
  import datetime
  from distutils.util import strtobool
  from ..config import config, generate_config
  from ..processing.generate_anchor import generate_anchors, anchors_plane
  from ..processing.bbox_transform import bbox_overlaps, bbox_transform, landmark_transform
label_desc: Use image node_id 5 for calling the CascadeRefineProp obj's underlying member method code with example usage: obj.create_operator(ctx, shapes, dtypes) and returns: CascadeRefineOperator