LaTeX subfigure和minipage的使用

\begin{figure*} \centering \subfigure[Input]{ \begin{minipage}[b]{0.23\linewidth} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{} \end{minipage}} \subfigure[CE]{ \begin{minipage}[b]{0.23\linewidth} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{} \end{minipage}} \subfigure[Ours]{ \begin{minipage}[b]{0.23\linewidth} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{} \end{minipage}} \subfigure[GT]{ \begin{minipage}[b]{0.23\linewidth} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{}\vspace{4pt} \includegraphics[width=1\linewidth]{} \end{minipage}} \caption{description of figure} \end{figure*}