class_docstr: ACAR-Net built with backbone, neck, head
  
  Args:
      - configs (`dict`):
          A dictionary of parameters.
code: def __init__(self, configs: dict):
      super().__init__()
      self.configs = configs
  
      self.backbone = backbone(**configs["backbone"])
      self.neck = neck(**configs["neck"])
      self.head = head(**configs["head"])
  
imports: import torch
  from torch import nn
  from towhee.models.acar_net import backbone, neck, head
label_desc: Use image node_id 1 to create a new AcarNet object from inherited base classes: nn with example: obj = AcarNet(configs)