\begin{figure}[htbp]
\centering
\subfigure[][]{\label{subfig:NC_doctor_attention}
  \includegraphics[width=0.17\linewidth]{./images/original_saliency_map_294_NC_slice_25.png}}
\subfigure[][]{\label{subfig:NC_multiscale_attention}
  \includegraphics[width=0.17\linewidth]{./images/encoder_decoder_attention_map_294_NC_slice_25.png}}
\subfigure[][]{\label{subfig:NC_u_net_attention}
  \includegraphics[width=0.17\linewidth]{./images/u_net_attention_map_294_NC_slice_25.png}}
  \\
  \subfigure[][]{\label{subfig:MCI_doctor_attention}
    \includegraphics[width=0.17\linewidth]{./images/original_saliency_map_1301_MCI_slice_25.png}}
  \subfigure[][]{\label{subfig:MCI_multiscale_attention}
  \includegraphics[width=0.17\linewidth]{./images/encoder_decoder_attention_map_1301_MCI_slice_25.png}}
  \subfigure[][]{\label{subfig:MCI_u_net_attention}
  \includegraphics[width=0.17\linewidth]{./images/u_net_attention_map_1301_MCI_slice_25.png}}

  \caption{Examples of generated attention maps for axial cut 25 (first row - AD; second row - MCI). The doctor fixation maps are on the left, the deep multiscale network generated attention maps are in the middle and the U-Net maps on the right.}
  \label{fig: generated attention maps}
\end{figure}