code: def create(input_width, input_height, input_channels=1, output_dim=512, initial_std_dev=0.4, factorized_noise=True):
      
      def instantiate(**_):
          return DoubleNoisyNatureCnn(
              input_width=input_width, input_height=input_height, input_channels=input_channels,
              output_dim=output_dim, initial_std_dev=initial_std_dev, factorized_noise=factorized_noise
          )
  
      return ModelFactory.generic(instantiate)
docs: Vel factory function