diff --git a/Latex/Insight.bib b/Latex/Insight.bib
index 99c82a4a51d0fa26e534d8f8cee341b9d48d399e..f1c2a654e8367f45638b4edd569f2358e24e2df9 100644
--- a/Latex/Insight.bib
+++ b/Latex/Insight.bib
@@ -4828,7 +4828,7 @@ publisher = {Kluwer Academic Publishers},
 }
 
 @ARTICLE{touzi88, 
-AUTHOR="Ridha Touzi and Armand Lopes and Pierre Bousquet", 
+AUTHOR="Ridha Touzi and Armand Lop{\`e}s and Pierre Bousquet", 
 TITLE="A {S}tatistical and {G}eometrical {E}dge {D}etector for {SAR} {I}mages", 
 JOURNAL={IEEE Transactions on Geoscience and Remote Sensing},
 VOLUME=26,
diff --git a/SoftwareGuide/Latex/Filtering.tex b/SoftwareGuide/Latex/Filtering.tex
index 201dd1da0cee0d056210a5721ccee4ea3e707150..dd7c34fb8960862eba91d2cd199b67cfc137f20c 100644
--- a/SoftwareGuide/Latex/Filtering.tex
+++ b/SoftwareGuide/Latex/Filtering.tex
@@ -62,15 +62,15 @@ OTB.
 %% %\input{SigmoidImageFilter.tex}
 %% \fi
 
-%% \section{Gradients}
-%% \label{sec:GradientFiltering}
+\section{Gradients}
+\label{sec:GradientFiltering}
 
-%% Computation of gradients is a fairly common operation in image processing. The
-%% term ``gradient'' may refer in some contexts to the gradient vectors and in
-%% others to the magnitude of the gradient vectors. ITK filters attempt to
-%% reduce this ambiguity by including the \emph{magnitude} term when
-%% appropriate. ITK provides filters for computing both the image of gradient
-%% vectors and the image of magnitudes.
+Computation of gradients is a fairly common operation in image processing. The
+term ``gradient'' may refer in some contexts to the gradient vectors and in
+others to the magnitude of the gradient vectors. ITK filters attempt to
+reduce this ambiguity by including the \emph{magnitude} term when
+appropriate. ITK provides filters for computing both the image of gradient
+vectors and the image of magnitudes.
 
 %% \subsection{Gradient Magnitude}
 %% \label{sec:GradientMagnitudeImageFilter}
@@ -117,8 +117,6 @@ OTB.
 %% %\input{LaplacianRecursiveGaussianImageFilter2.tex}
 %% \fi
 
-\subsection{Ratio of Means Detector }
-\input{TouziEdgeDetectorExample}
 
 
 
@@ -129,8 +127,8 @@ OTB.
 \input{CannyEdgeDetectionImageFilter.tex}
 \fi
 
-
-
+\subsection{Ratio of Means Detector }
+\input{TouziEdgeDetectorExample}