X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/canny.git/blobdiff_plain/165a29713fcc3fb0e7bdbf25129fc1e33d14667c..f9feb4cb5a39609ffdf39b086e8d796592a71da5:/intro.tex?ds=inline diff --git a/intro.tex b/intro.tex index 17a618a..b17515c 100644 --- a/intro.tex +++ b/intro.tex @@ -100,18 +100,20 @@ This is why we add to our scheme a reasonable message encryption stage, to be certain that, even in the worst case scenario, the attacker will not be able to obtain the message content. +Doing so makes our steganographic protocol, in a certain extend, an asymmetric one. - -In this research work, we thus propose to combine tried and -tested techniques of signal theory (the adaptive edge detection), coding (the binary embedding), and cryptography -(encryption of the hidden message) to compute an efficient steganographic -scheme, which takes into consideration the cover image -and that can be executed on small devices. +To sum up, in this research work, well studied and experimented +techniques of signal processing (adaptive edges detection), +coding theory (syndrome-treillis codes), and cryptography +(Blum-Goldwasser encryption protocol) are combined +to compute an efficient steganographic +scheme, whose principal characteristics is to take into +consideration the cover image and to be compatible with small computation resources. The remainder of this document is organized as follows. -Section~\ref{sec:ourapproach} presents the details of our steganographic scheme. -Section~\ref{sec:experiments} shows experiments on image quality, steganalytic evaluation, complexity of our approach -and compares it to state of the art steganographic schemes. +Section~\ref{sec:ourapproach} presents the details of the proposed steganographic scheme. +Section~\ref{sec:experiments} shows experiments on image quality, steganalytic evaluation, complexity of our approach, +and compares it to the state of the art steganographic schemes. Finally, concluding notes and future work are given in Section~\ref{sec:concl}.