code: def _update_valid_indices_by_removing_high_iou_boxes(
      selected_indices, is_index_valid, intersect_over_union, threshold
  ):
      max_iou = np.max(
          intersect_over_union[:, selected_indices], axis=1
      )
      return np.logical_and(is_index_valid, max_iou <= threshold)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import numpy
  from .None import np_box_list, np_box_ops
label_desc: Use image node_id 17 for calling a global function with example usage: _update_valid_indices_by_removing_high_iou_boxes(selected_indices, is_index_valid, intersect_over_union, threshold) and returns: np