code: def softmax_center_teacher(self, teacher_output, teacher_temp):
      self.apply_center_update()
      # teacher centering and sharpening
      return F.softmax(
          (teacher_output - self.center) / teacher_temp, dim=-1
      )
  
file_path: dinov2/dinov2/loss/dino_clstoken_loss.py
imports: import torch
  import torch.distributed
  import torch.nn.functional
  from torch import nn
label_desc: Use image node_id 2 for calling the DINOLoss obj's underlying member method code with example usage: obj.softmax_center_teacher(teacher_output, teacher_temp) and returns: F