code: def __call__(self, x):
      h_col = self.col(self.col_max(x))
      h_row = self.row(self.row_max(x))
      return F.relu(h_col + h_row)
  
file_path: chainercv/chainercv/links/model/light_head_rcnn/global_context_module.py
imports: from __future__ import division
  import chainer
  import chainer.functions
  import chainer.links
label_desc: Use image node_id 2 for calling the GlobalContextModule obj's underlying member method code with example usage: obj.__call__(x) and returns: F