\begin{overpic}[width=0.49\textwidth]{tixhr1697470297}
\put(1,74){\colorbox{white}{(\sublabel{tixhr1697470297}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20150220091535-112713}{tixhr1697470297}}}
%%(\subref{tixhr1697470297}) \href{tixhr1697470297}
\color{red}
\end{overpic}
<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
</acquisitions>