\documentclass[8pt]{beamer}

\usepackage{beamerthemesplit}
\usepackage{tikz,nicefrac,amsmath,pifont}
\usetikzlibrary{arrows,snakes,backgrounds,patterns,matrix,shapes,fit,calc,shadows,plotmarks}

\title{Implementations of OCT}
\author{Michael Goerz}
\date{\today}

\begin{document}

\frame{\titlepage}

%\section[Outline]{}
%\frame{\tableofcontents}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\frame {
\begin{center}\huge
  OCT with Full Storage \\of Backward-Propagated States
\end{center}
}

\frame {
  \frametitle{OCT with Full Storage}

\hspace*{-12pt}
  \begin{tikzpicture}[scale=0.8]
     \input{oct_storeall.tikz}
  \end{tikzpicture}
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\frame {
\begin{center}\huge
  OCT with No Storage \\of Backward-Propagated States
\end{center}
}

\frame {
  \frametitle{OCT without Storage}

\hspace*{-12pt}
  \begin{tikzpicture}[scale=0.8]
     \input{oct_storenone.tikz}
  \end{tikzpicture}
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\frame {
\begin{center}\huge
  OCT with Segmented Storage \\of Backward-Propagated States
\end{center}
}

\frame {
  \frametitle{OCT with Segmentation}

\hspace*{-12pt}
  \begin{tikzpicture}[scale=0.8]
     \input{oct_segments.tikz}
  \end{tikzpicture}
}

\end{document}

