\JFC{Features that are embedded into this steganalysis process
are CCPEV and SPAM features as described
in~\cite{DBLP:dblp_conf/mediaforensics/KodovskyPF10}.
-These one are extracted from the
+These latter are extracted from the
set of cover images and the set of training images.}
Next a small
set of weak classifiers is randomly built,
