code: def __init__(self, is_output_polygon=False):
      self.is_output_polygon = is_output_polygon
      self.evaluator = DetectionIoUEvaluator(
          is_output_polygon=is_output_polygon
      )
  
file_path: PaddleOCR/benchmark/PaddleOCR_DBNet/utils/ocr_metric/icdar2015/quad_metric.py
imports: import numpy
  from .detection.iou import DetectionIoUEvaluator
label_desc: Use image node_id 1 to create a new QuadMetric object  with example: obj = QuadMetric(is_output_polygon)