code: def __init__(
      self,
      main_indicator="acc",
      eps=1e-6,
      del_thead_tbody=False,
      **kwargs,
  ):
      self.main_indicator = main_indicator
      self.eps = eps
      self.del_thead_tbody = del_thead_tbody
      self.reset()
  
file_path: PaddleOCR/ppocr/metrics/table_metric.py
imports: import numpy
  from ppocr.metrics.det_metric import DetMetric
label_desc: Use image node_id 1 to create a new TableStructureMetric object from inherited base classes: object with example: obj = TableStructureMetric(main_indicator, eps, del_thead_tbody)