X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/canny.git/blobdiff_plain/ded436ff1397fd455304cbae04f58e4c0703ea01..e109e0d899bc233ae4407afe3af6ca03e1afe90a:/experiments.tex?ds=sidebyside diff --git a/experiments.tex b/experiments.tex index 60b0f2f..cf8dfa6 100644 --- a/experiments.tex +++ b/experiments.tex @@ -1,6 +1,17 @@ \subsection{Steganalysis} -Détailler \cite{Fillatre:2012:ASL:2333143.2333587} -Vainqueur du BOSS challenge~\cite{DBLP:journals/tifs/KodovskyFH12} +The quality of our approach has been evaluated through the two +AUMP~\cite{Fillatre:2012:ASL:2333143.2333587} +and Ensemble Classifier~\cite{DBLP:journals/tifs/KodovskyFH12} based steganalysers. +Both aims at detecting hidden bits in grayscale natural images and are +considered as the state of the art of steganalysers in spatial domain~\cite{FK12}. +The former approach is based on a simplified parametric model of natural images. +Parameters are firstly estimated and a adaptive Asymptotically Uniformly Most Powerful +(AUMP) test is designed (theoretically and practically) to check whether +a natural image has stego content or not. +In the latter, the authors show that the +machine learning step, (which is often +implemented as support vector machine) +can be a favourably executed thanks to an Ensemble Classifiers.