From: Jean-François Couchot <couchot@couchot.iut-bm.univ-fcomte.fr>
Date: Fri, 6 Mar 2015 11:17:22 +0000 (+0100)
Subject: reprise texte coutu
X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/canny.git/commitdiff_plain/d5631915e956b49c89f78d66d7b4d25682a7e405

reprise texte coutu
---

diff --git a/complexity.tex b/complexity.tex
index db1609f..390190f 100644
--- a/complexity.tex
+++ b/complexity.tex
@@ -83,7 +83,7 @@ Thanks to these complexity results, we claim that our approach is lightweight.
 \begin{center}
 \includegraphics[scale=0.4]{complexity}
 \end{center}
-\caption{Complexity evaluation of WOW/UNIWARD, HUGO, and STABYLO}
+\caption{Complexity evaluation of WOW/UNIWARD, HUGO, and STABYLO.}
 \label{fig:compared} 
 \end{figure}
 
diff --git a/experiments.tex b/experiments.tex
index 9590b1c..15fb5c1 100644
--- a/experiments.tex
+++ b/experiments.tex
@@ -42,7 +42,7 @@ $$
 \hline
 \end{array}
 $$
-\caption{Matrix Generator for $\hat{H}$ in STC}\label{table:matrices:H}
+\caption{Matrix Generator for $\hat{H}$ in STC.}\label{table:matrices:H}
 \end{table}
 
 
@@ -153,7 +153,7 @@ considered as state of the art steganalysers.
 \JFC{Features that are embedded into this steganalysis process 
 are CCPEV and SPAM features as described 
 in~\cite{DBLP:dblp_conf/mediaforensics/KodovskyPF10}.
-These latter are extracted from the 
+They  are extracted from the 
 set of cover images and the set of training images.}
 Next a small 
 set of weak classifiers is randomly built,
@@ -193,7 +193,7 @@ Ensemble Classifier & 0.35 & 0.44 & 0.47 & 0.47     & 0.48 &  0.49  &  0.43  & 0
 \end{tabular}
 \end{small}
 \end{center}
-\caption{Steganalysing STABYLO\label{table:steganalyse}} 
+\caption{Steganalysing STABYLO\label{table:steganalyse}.} 
 \end{table*}
 
 
@@ -215,14 +215,23 @@ However due to its huge number of integration features, it is not lightweight.
 
 All these numerical experiments confirm 
 the objective presented in the motivations:
-providing an efficient steganography approach in a lightweight manner.
-
-\RC{In Figure~\ref{fig:error}, Ensemble Classifier has been used with all the previsou steganalizers with 3 different payloads. It can be observed that with important payload, STABYLO is not efficient, but as mentionned its complexity is far more simple compared to other tools.\\
+providing an efficient steganography approach in a lightweight manner
+for small payload.
+
+\RC{In Figure~\ref{fig:error}, 
+Ensemble Classifier has been used with all the previous 
+steganographic schemes with 4 different payloads.
+It can be observed that face to high values of payload, 
+STABYLO is definitely not secure enough.
+However thanks to an efficient very low-complexity (Fig.\ref{fig:compared}), 
+we argue that the user should embed tiny messages in many images 
+than a larger message in only one image.
 \begin{figure}
 \begin{center}
 \includegraphics[scale=0.5]{error}
 \end{center}
-\caption{Error obtained by Ensemble classifier with WOW/UNIWARD, HUGO, and STABYLO and different paylaods.}
+\caption{Testing error obtained by Ensemble classifier with 
+WOW/UNIWARD, HUGO, and STABYLO w.r.t. payload.}
 \label{fig:error} 
 \end{figure}
 }