code: import numpy as np
  
  #from concern.config import State
  from .data_process import DataProcess
  
  
  class MakeCenterPoints(DataProcess):
      box_key = 'charboxes'
      size = 32
  
      def process(self, data):
          shape = data['image'].shape[:2]
          points = np.zeros((self.size, 2), dtype=np.float32)
          boxes = np.array(data[self.box_key])[:self.size]
  
          size = boxes.shape[0]
          points[:size] = boxes.mean(axis=1)
          data['points'] = (points / shape[::-1]).astype(np.float32)
          return data
  
apis: numpy.array numpy.zeros