code: def __init__(
      self, in_channel, out_channel, ratio, attdecoder, **kwargs
  ):
      super(CANHead, self).__init__()
  
      self.in_channel = in_channel
      self.out_channel = out_channel
  
      self.counting_decoder1 = CountingDecoder(
          self.in_channel, self.out_channel, 3
      )  # mscm
      self.counting_decoder2 = CountingDecoder(
          self.in_channel, self.out_channel, 5
      )
  
      self.decoder = AttDecoder(ratio, **attdecoder)
  
      self.ratio = ratio
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import paddle.nn
  import paddle
  import math
label_desc: Use image node_id 1 to create a new CANHead object from inherited base classes: nn with example: obj = CANHead(in_channel, out_channel, ratio, attdecoder)