\begin{overpic}[width=0.49\textwidth]{IMG_2654}
\put(1,74){\colorbox{white}{(\sublabel{IMG_2654}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20101202094954032.hkitagawa}{IMG_2654}}}
%%(\subref{IMG_2654}) \href{IMG_2654}
\color{red}
\end{overpic}
<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
</acquisitions>