class_docstr: Abstract base class for region similarity calculator.
class_docstr_tok: ["Abstract","base","class","for","region","similarity","calculator","."]
code: def _compare(self, boxlist1, boxlist2):
      pass
  
file_path: DALI/docs/examples/use_cases/tensorflow/efficientdet/pipeline/anchors_utils/region_similarity_calculator.py
imports: from abc import ABCMeta
  from abc import abstractmethod
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling the RegionSimilarityCalculator obj's underlying member method code with example usage: obj._compare(boxlist1, boxlist2) without return types