code: def __init__(
      self,
      num_classes=1,
      min_box_area=0,
      vertical_ratio=-1,
      track_thresh=0.4,
      pre_thresh=0.5,
      new_thresh=0.4,
      out_thresh=0.4,
      hungarian=False,
  ):
      self.num_classes = num_classes
      self.min_box_area = min_box_area
      self.vertical_ratio = vertical_ratio
  
      self.track_thresh = track_thresh
      self.pre_thresh = max(track_thresh, pre_thresh)
      self.new_thresh = max(track_thresh, new_thresh)
      self.out_thresh = max(track_thresh, out_thresh)
      self.hungarian = hungarian
  
      self.reset()
  
file_path: PaddleDetection/ppdet/modeling/mot/tracker/center_tracker.py
imports: import copy
  import numpy
  import sklearn
  from ppdet.core.workspace import register, serializable
  from ppdet.utils.logger import setup_logger
label_desc: Use image node_id 1 to create a new CenterTracker object from inherited base classes: object with example: obj = CenterTracker(num_classes, min_box_area, vertical_ratio, track_thresh, pre_thresh, new_thresh, out_thresh, hungarian)