code: def initialize(self, first_frame, first_frame_motion_pred_data):
      pass
  
imports: import time
  import logging
  from abc import ABC, abstractmethod
  import numpy
label_desc: Use image node_id 1 for calling the DummyMotionEstimator obj's underlying member method code with example usage: obj.initialize(first_frame, first_frame_motion_pred_data) without return types