code: def is_abs_lower_than_threshold(this_bbox, target_bbox, threshold=3):
      # only consider y axis, for grouping in row.
      delta = abs(this_bbox[1] - target_bbox[1])
      if delta < threshold:
          return True
      else:
          return False
  
imports: import os
  import re
  import cv2
  import glob
  import copy
  import math
  import pickle
  import numpy
  from shapely.geometry import Polygon, MultiPoint
label_desc: Use image node_id 10 for calling a global function with example usage: is_abs_lower_than_threshold(this_bbox, target_bbox, threshold) and returns: True, False