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\author{Jean-Fran\c cois Couchot, Raphael Couturier, and  Christophe Guyeux*
  FEMTO-ST Institute, UMR 6174 CNRS\\
  Computer Science Laboratory DISC\\
  University of Franche-Comt\'{e}\\
  Besan\c con, France\\
  \{jean-francois.couchot,raphael.couturier, christophe.guyeux\}@femto-st.fr\\
* Authors in alphabetic order\\
}
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\begin{abstract}
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The abstract goes here.
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\begin{IEEEkeywords}
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Steganography, least-significant-bit (LSB)-based steganography, edge detection, Canny filter, security, syndrome treillis code.
\end{IEEEkeywords}





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\section{Introduction}
\input{intro.tex}

\section{Analysis of Steganographic Approaches}
\input{analysis.tex}

This work considers digital images as covers and fondation is
spatial least significant-bit (LSB) replacement.
I this data hiding scheme a subset of all the LSB of the cover image is modified 
with a secret bit stream depending on to a key, the cover, and the message to embed.
This well studied steganographic approach  never decreases (resp. increases)
pixel with even value (resp. odd value) and may break structural symetry.
This structure modification is detectable by statistical approaches 
and thus by steganalysis methods~\cite{Dumitrescu:2005:LSB:1073170.1073176,DBLP:conf/ih/2005,FK12}. 


random LSB selection: coarse, easily tractable, easilly detactable



feature-based : precise but time consuming 

security need : message has to be encrypted before beeing introduced. Using efficient and secured cryptographic approach

LSBR: to coarse (apply hugo breaker on it)

\section{Our Approach}
\input{ourapproach.tex}

% Image Quality: Edge Image Steganography

% Security aspect:
% BBS-based cprotographic version of the message 

% Enlarging embeding efficiency:
% Syndrome treillis code  

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\section{Conclusion}
The conclusion goes here.


\appendices
\section{Proof of the First Zonklar Equation}
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Appendix two text goes here.


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\section*{Acknowledgment}
The authors would like to thank...

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