Latex: two figures, same line

Two figures are at the same line just like:
@#$!@#$!@#$ ......... @$%#$%@#$%@
Fig.1: xxxxxxxx .......... Fig.2: xxxxxxxxx

\begin{figure}[ht]
\centering
\begin{minipage}[b]{.46\linewidth}
\centering
\includegraphics[height=2.0in,keepaspectratio=true]{onedot.eps}
\parbox{.8\textwidth}{\caption{Negative camera image of central spot pattern.} \label{Nproplem2fig}}
\end{minipage}
\begin{minipage}[b]{.46\linewidth}
\centering
\includegraphics[height=2.0in,keepaspectratio=true]{twodot.eps}
\parbox{.8\textwidth}{\caption{: Negative camera image of two point pattern.} \label{Nproplem3fig}}
\end{minipage}
\end{figure}