relecture

diff --git a/intro.tex b/intro.tex
index 026e92eee697004aeb614934774472e4755d18b9..e6a3d97ebd6f8cfb799966f78b1c893d905870e4 100644 (file)
--- a/intro.tex
+++ b/intro.tex
@@ -5,24 +5,24 @@ In this data hiding scheme a subset of all the LSBs of the cover image is modifi
 with a secret bit stream depending on 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 symmetry.
 with a secret bit stream depending on 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 symmetry.

-These structural modification can be detected  by statistical approaches 
+These structural modifications can be detected  by statistical approaches 

 and thus by steganalysis methods~\cite{DBLP:journals/tsp/DumitrescuWW03,DBLP:conf/mmsec/FridrichGD01,Dumitrescu:2005:LSB:1073170.1073176}.
 
 This drawback is avoided in LSB matching (LSBM) where
 the $+1$ or $-1$ is randomly added to the cover pixel LSB value 
 only if this one does not match the secret bit.
 and thus by steganalysis methods~\cite{DBLP:journals/tsp/DumitrescuWW03,DBLP:conf/mmsec/FridrichGD01,Dumitrescu:2005:LSB:1073170.1073176}.
 
 This drawback is avoided in LSB matching (LSBM) where
 the $+1$ or $-1$ is randomly added to the cover pixel LSB value 
 only if this one does not match the secret bit.

-Since probabilities of increasing or decreasing pixel value are the same, statistical approaches 
-cannot be applied there to discover stego-images in LSBM.
-The most accurate detectors for this matching are universal steganalysers such as~\cite{LHS08,DBLP:conf/ih/2005,FK12}
+Since probabilities of increasing or decreasing the pixel value are the same, statistical approaches 
+cannot be applied here to discover stego-images in LSBM.
+The most accurate detectors for this matching are universal steganalysers such as~\cite{LHS08,DBLP:conf/ih/2005,FK12},

 which classify images thanks to extracted features from neighboring elements of noise residual.  
 
 
 which classify images thanks to extracted features from neighboring elements of noise residual.  
 
 

-LSB matching revisited (LSBMR)~\cite{Mielikainen06} have been recently introduced. 
+LSB matching revisited (LSBMR) has been recently introduced in~\cite{Mielikainen06}. 

 For a given pair of pixels, in which the LSB
 of the first pixel carries one bit of secret message, and the relationship
 (odd–even combination) of the two pixel values carries
 another bit of secret message. 
 For a given pair of pixels, in which the LSB
 of the first pixel carries one bit of secret message, and the relationship
 (odd–even combination) of the two pixel values carries
 another bit of secret message. 

-
+\CG{Je pige pas cette phrase, et je comprends pas l'explication du LSBMR :/}

 
 
 In such a way, the modification
 
 
 In such a way, the modification


@@ -31,7 +31,7 @@ rate of pixels can decrease from 0.5 to 0.375 bits/pixel
 changes to the cover image at the same payload compared to
 LSB replacement and LSBM. It is also shown that such a new
 scheme can avoid the LSB replacement style asymmetry, and
 changes to the cover image at the same payload compared to
 LSB replacement and LSBM. It is also shown that such a new
 scheme can avoid the LSB replacement style asymmetry, and

-thus it should make the detection slightly more difficult than the
+thus it should make the detection slightly more difficult than in the

 LSBM approach. % based on our experiments
 
 
 LSBM approach. % based on our experiments
 
 

diff --git a/main.tex b/main.tex
index 8a80a940f86e95202cb0e50835522fdd51f9c402..77a32e45cd695eeaf5993afe674f002e129cf413 100755 (executable)
--- a/main.tex
+++ b/main.tex
@@ -24,6 +24,7 @@ a lightweight stego-secure edge-based steganographic approach}
 }
 \newcommand{\JFC}[1]{\begin{color}{green}\textit{#1}\end{color}}
 \newcommand{\RC}[1]{\begin{color}{red}\textit{#1}\end{color}}
 }
 \newcommand{\JFC}[1]{\begin{color}{green}\textit{#1}\end{color}}
 \newcommand{\RC}[1]{\begin{color}{red}\textit{#1}\end{color}}

+\newcommand{\CG}[1]{\begin{color}{blue}\textit{#1}\end{color}}

 % make the title area
 \maketitle
 
 % make the title area
 \maketitle