-Unfortunately,
-
-
-for any given $H$, finding $y$ that solves $Hy=m$ and that
+Unfortunately, for any given $H$, finding $y$ that solves $Hy=m$ and that
that minimizes $D_X(x,y)$ has exponential complexity with respect to $n$.
The Syndrome-Trellis Codes (STC)
presented by Filler et al. in~\cite{DBLP:conf/mediaforensics/FillerJF10}