code: def __init__(self):
      self.corr_sum = 0.0
      self.total_count = 0.0
  
      self._name = "corr_metric"
  
imports: import torch
  from .utils import th_matrixcorr
  from .meters.averagemeter import AverageMeter
  from .callbacks import Callback
  from .losses import lovaszloss, hingeloss, dice_coeff
label_desc: Use image node_id 1 to create a new ProjectionCorrelation object from inherited base classes: Metric with example: obj = ProjectionCorrelation()