class_docstr: CenterNet network, see http://arxiv.org/abs/1904.07850
  
  Args:
      backbone (object): backbone instance
      neck (object): FPN instance, default use 'CenterNetDLAFPN'
      head (object): 'CenterNetHead' instance
      post_process (object): 'CenterNetPostProcess' instance
      for_mot (bool): whether return other features used in tracking model
code: def get_loss(self):
      return self._forward()
  
file_path: PaddleDetection/ppdet/modeling/architectures/centernet.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from ppdet.core.workspace import register, create
  from .meta_arch import BaseArch
label_desc: Use image node_id 5 for calling the CenterNet obj's underlying member method code with example usage: obj.get_loss() and returns: self