\begin{table*}[t]
\caption{Ablation study on EST components. Distance-based metrics are in $\mathrm{mm}$. ``near" denotes the near-range region $<3\mathrm{mm}$. The \textbf{best} is highlighted for each category. Full EST achieves the best results except for AbsRel.}
\label{ets_table}
\footnotesize
\begin{center}
\begin{tabular}{l|c|c|c|c|c|c|c}
\toprule
Methods & $\delta_1\uparrow$ & $\delta_{1,\text{near}}\uparrow$ & RMSE$\downarrow$ & RMSE$_{\text{near}}\downarrow$ & L1$\downarrow$ & L1$_{\text{near}}\downarrow$ & AbsRel$\downarrow$ \\
\midrule
FlashDepth with SiLog & 0.853 & 0.831 & 3.774 & 2.789 & 2.695 & 2.197 & 0.139 \\
+ photometry only     & 0.835 & 0.821 & 4.868 & 3.180 & 3.160 & 2.336 & 0.156 \\
+ geometry only       & 0.922 & 0.911 & 3.083 & 2.010 & 1.962 & 1.521 & \textbf{0.099} \\
+ full EST            & \textbf{0.952} & \textbf{0.946} & \textbf{3.023} & \textbf{1.715} & \textbf{1.872} & \textbf{1.284} & 0.108 \\
\bottomrule
\end{tabular}
\end{center}
\end{table*}