\begin{overpic}[width=0.49\textwidth]{hayachine_miyamori}
\put(1,74){\colorbox{white}{(\sublabel{hayachine_miyamori}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20110913093328-572-017}{hayachine_miyamori}}}
%%(\subref{hayachine_miyamori}) \href{hayachine_miyamori}
\color{red}
\end{overpic}
<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
</acquisitions>