class_docstr: Internal implementation of Pascal object detection metrics.
class_docstr_tok: ["Internal","implementation","of","Pascal","object","detection","metrics","."]
code: def clear_detections(self):
      self._initialize_detections()
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import collections
  import logging
  import numpy
  from abc import ABCMeta, abstractmethod
  from .None import label_map_util, metrics, per_image_evaluation, standard_fields
label_desc: Use image node_id 3 for calling the ObjectDetectionEvaluation obj's underlying member method code with example usage: obj.clear_detections() without return types