code: def _get_border(border, size):
      """Get the border size of the image"""
      i = 1
      while size - border // i <= border // i:
          i *= 2
      return border // i
  
file_path: gluon-cv/gluoncv/data/transforms/presets/center_net.py
imports: from __future__ import absolute_import
  import numpy
  import mxnet
  from ..None import bbox
  from ..None import image
  from ..None import experimental
  from ....utils.filesystem import try_import_cv2
label_desc: Use image node_id 4 for calling a global function with example usage: _get_border(border, size) and returns: unknown