def add_concat(self, input_names, output_name, axis):
layer = caffe_net.LayerParameter(name=output_name, type='Concat',
bottom=input_names, top=[output_name])
layer.concat_param(axis)
self.caffe_model.add_layer(layer)
inputs = []
for input_name in input_names:
inputs.append(self.data_dict[input_name])
self.data_dict[output_name] = Operators.concat(inputs, axis, output_name)
return output_name
