class_docstr: Utilities for calculating IOU/IOS based match for given ObjectPredictions
code: def __call__(self):
      raise NotImplementedError()
  
imports: import copy
  from typing import List
  import numpy
  from sahi.annotation import BoundingBox, Category, Mask
  from sahi.postprocess.utils import calculate_area, calculate_box_union, calculate_intersection_area
  from sahi.prediction import ObjectPrediction
label_desc: Use image node_id 7 for calling the PostprocessPredictions obj's underlying member method code with example usage: obj.__call__() without return types