X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/canny.git/blobdiff_plain/b417a74f270da1ad1a8b11552a8508c45cb75085..93faa138ef3fae7589a5dc3ba0d8862f7b54c4cb:/main.tex?ds=sidebyside diff --git a/main.tex b/main.tex index aa7b735..5a7e01e 100755 --- a/main.tex +++ b/main.tex @@ -4,7 +4,7 @@ \usepackage{mathptmx,amsmath,amssymb,bm} \usepackage{subfig} \usepackage{color} - +\usepackage{mathtools,etoolbox} \tolerance=1 \emergencystretch=\maxdimen @@ -23,7 +23,7 @@ \def\theyear{2013} - +\DeclarePairedDelimiter{\abs}{\lvert}{\rvert} % correct bad hyphenation here \hyphenation{op-tical net-works semi-conduc-tor} @@ -80,19 +80,19 @@ edge-based steganographic approach} %IEEEtran, journal, \LaTeX, paper, template. -\keywords{Steganography, least-significant-bit (LSB)-based steganography, edge detection, Canny filter, security, syndrome treillis code} +\keywords{Steganography, least-significant-bit (LSB)-based steganography, edge detection, Canny filter, security, syndrome trellis code} \abstracttext{A novel steganographic method called STABYLO is introduced in this research work. -Its main avantage for being is to be much lighter than the so-called +Its main advantage for being is to be much lighter than the so-called Highly Undetectable steGO (HUGO) scheme, a well known state of the art steganographic process in spatial domain. Additionally to this effectiveness, quite comparable results through noise measures like PSNR-HVS-M, -BIQI, and weighted PSNR (wPSNR) are obtained. +and weighted PSNR (wPSNR) are obtained. To achieve the proposed goal, famous experimented components of signal processing, coding theory, and cryptography are combined together, leading to @@ -127,7 +127,7 @@ somewhat smaller, security than the well known Highly Undetectable steGO (HUGO) steganographic scheme. This edge-based steganographic approach embeds a Canny detection filter, the Blum-Blum-Shub cryptographically secure -pseudorandom number generator, together with Syndrome-Treillis Codes +pseudorandom number generator, together with Syndrome-Trellis Codes for minimizing distortion. After having introduced with details the proposed method, we have evaluated it through noise measures (namely, the PSNR, PSNR-HVS-M, @@ -142,10 +142,12 @@ BIQI, and weighted PSNR) and using well established steganalysers. For future work, the authors' intention is to investigate systematically all the existing edge detection methods, to see if the STABYLO evaluation scores can -be improved by replacing Canny with another edge filter. We will try -to take into account the least significant bits too during all the -stages of the algorithm, hoping by doing so to be closer to the HUGO scores against -steganalyzers. Other steganalyzers than the ones used in this document will be +be improved by replacing Canny with another edge filter. +% We will try +% to take into account the least significant bits too during all the +% stages of the algorithm, hoping by doing so to be closer to the HUGO scores against +% steganalyzers. +Other steganalysers than the ones used in this document will be examined for the sake of completeness. Finally, the systematic replacement of all the LSBs of edges by binary digits provided by the BBS generator will be investigated, and the consequences of such a