code: def reset(self):
      self.confusion_matrix = np.zeros((self.n_classes, self.n_classes))
  
file_path: PaddleOCR/benchmark/PaddleOCR_DBNet/utils/metrics.py
imports: import numpy
label_desc: Use image node_id 5 for calling the runningScore obj's underlying member method code with example usage: obj.reset() without return types