\begin{table}[!ht]
\centering
\resizebox{0.9\textwidth}{!}{%
\begin{tabular}{clccclccclccc}
\hline
\multirow{2}{*}{\textbf{Setup}} &  & \multicolumn{3}{c}{\textbf{4x}}                 &           & \multicolumn{3}{c}{\textbf{8x}}                 &           & \multicolumn{3}{c}{\textbf{16x}}                \\ \cline{3-5} \cline{7-9} \cline{11-13} 
                                &  & SSIM           & pSNR          & NMSE           &           & SSIM           & pSNR          & NMSE           &           & SSIM           & pSNR          & NMSE           \\ \cline{1-1} \cline{3-5} \cline{7-9} \cline{11-13} 
SSL                             &  & 0.874          & 33.7          & 0.011          &           & 0.770          & 30.0          & 0.025          &           & 0.670          & 27.0          & 0.051          \\
JSSL                            &  & \textbf{0.888} & \textbf{34.9} & \textbf{0.008} & \textbf{} & \textbf{0.784} & \textbf{30.5} & \textbf{0.023} & \textbf{} & \textbf{0.678} & \textbf{27.1} & \textbf{0.050} \\ \hline
\end{tabular}%
}
\caption{Average comparative metrics using an E2EVarNet architecture as a reconstruction network.}
\label{tab:metrics_vnet}
\end{table}