diff --git a/Applications/CartographicDBValidation/otbComputePolylineFeatureFromImage.cxx b/Applications/CartographicDBValidation/otbComputePolylineFeatureFromImage.cxx
index d63fa96152540bb21900e9d9212527e3d6f084cf..fe55592bb91d51e552a0e6223faaec7c0f273562 100644
--- a/Applications/CartographicDBValidation/otbComputePolylineFeatureFromImage.cxx
+++ b/Applications/CartographicDBValidation/otbComputePolylineFeatureFromImage.cxx
@@ -79,32 +79,32 @@ private:
   void DoInit()
   {
     SetName("ComputePolylineFeatureFromImage");
-    SetDescription("Compute a polyline feature descriptors from an input image which are part of the polyline pixels that verify the FeatureExpression");
+    SetDescription("This application compute for each studied polyline, contained in the input VectorData, the choosen descriptors.");
 
     SetDocName("Compute Polyline Feature From Image");
-    SetDocLongDescription("This application computes a polyline feature descriptors from an input image which are part of the polyline pixels that verify the FeatureExpression.");
+    SetDocLongDescription("The first step in the classifier fusion based validation is to compute, for each studied polyline, the choosen descriptors. ");
     SetDocLimitations("Since it does not rely on streaming process, take care of the size of input image before launching application.");
     SetDocAuthors("OTB-Team");
     SetDocSeeAlso(" ");
     AddDocTag(Tags::FeatureExtraction);
 
     AddParameter(ParameterType_InputImage, "in", "Input Image");
-    SetParameterDescription("in", "An image from which to compute description.");
+    SetParameterDescription("in", "An image to compute the descriptors on.");
 
     AddParameter(ParameterType_InputVectorData, "vd", "Vector Data");
-    SetParameterDescription("vd", "Vector data containing the polylines onto which the feature will be computed.");
+    SetParameterDescription("vd", "Vector data containing the polylines where the features will be computed.");
 
     // Elevation
     ElevationParametersHandler::AddElevationParameters(this, "elev");
 
     AddParameter(ParameterType_String, "expr", "Feature expression");
-    SetParameterDescription("expr", "The feature formula (b1 < 0.3)");
+    SetParameterDescription("expr", "The feature formula (b1 < 0.3) where b1 is the standard name of input image first band");
 
     AddParameter(ParameterType_String, "field", "Feature name");
-    SetParameterDescription("field", "The feature name (NONDVI, ROADSA...)");
+    SetParameterDescription("field", "The field name corresponding to the feature codename (NONDVI, ROADSA...)");
 
     AddParameter(ParameterType_OutputVectorData, "out", "Output Vector Data");
-    SetParameterDescription("out", "The output vector data containing the features");
+    SetParameterDescription("out", "The output vector data containing polylines with a new field");
 
     // Doc example parameter settings
     SetDocExampleParameterValue("in", "NDVI.TIF");
diff --git a/Applications/CartographicDBValidation/otbDSFuzzyModelEstimation.cxx b/Applications/CartographicDBValidation/otbDSFuzzyModelEstimation.cxx
index e9810716ef9b63797aab04627e9a226a83dcb2c5..3d2fc8479ad1d3b7606be9efe7267f2252420d7a 100644
--- a/Applications/CartographicDBValidation/otbDSFuzzyModelEstimation.cxx
+++ b/Applications/CartographicDBValidation/otbDSFuzzyModelEstimation.cxx
@@ -150,12 +150,12 @@ private:
     MandatoryOff("wgt");
     SetParameterFloat("wgt", 0.5);
 
-    AddParameter(ParameterType_Filename,"initmod","initial model");
-    SetParameterDescription("initmod","Initial state for the model Optimizer");
+    AddParameter(ParameterType_Filename,"initmod","initialization model");
+    SetParameterDescription("initmod","Initialization model (xml file) to be used. If the xml initialization model is set, the descriptor list is not used (specified using the option -desclist)");
     MandatoryOff("initmod");
 
     AddParameter(ParameterType_StringList, "desclist","Descriptor list");
-    SetParameterDescription("desclist","List of the descriptors used in the model (must be specified to perform an automatic initialization)");
+    SetParameterDescription("desclist","List of the descriptors to be used in the model (must be specified to perform an automatic initialization)");
     MandatoryOff("desclist");
     SetParameterString("desclist","");
 
@@ -169,7 +169,7 @@ private:
     MandatoryOff("optobs");
 
     AddParameter(ParameterType_Filename,"out","Output filename");
-    SetParameterDescription("out","Output model file name (xml file)");
+    SetParameterDescription("out","Output model file name (xml file) contains the optimal model to perform informations fusion.");
 
     // Doc example parameter settings
     SetDocExampleParameterValue("psin", "cdbTvComputePolylineFeatureFromImage_LI_NOBUIL_gt.shp");
diff --git a/Applications/CartographicDBValidation/otbVectorDataDSValidation.cxx b/Applications/CartographicDBValidation/otbVectorDataDSValidation.cxx
index dbfb713dd26e621fa3a3bf874582e05549b9454f..d9431387222c1b5f34de8352d67972670d7a3ef5 100644
--- a/Applications/CartographicDBValidation/otbVectorDataDSValidation.cxx
+++ b/Applications/CartographicDBValidation/otbVectorDataDSValidation.cxx
@@ -64,16 +64,16 @@ private:
     SetDescription("Vector data validation based on the fusion of features using Dempster-Shafer evidence theory framework.");
 
     SetDocName("Vector Data validation");
-    SetDocLongDescription("Vector data validation based on the fusion of features using Dempster-Shafer evidence theory framework.");
+    SetDocLongDescription("This application validates or unvalidate the studied samples using the Dempster-Shafer theory.");
     SetDocLimitations("None.");
     SetDocAuthors("OTB-Team");
-    SetDocSeeAlso(" ");
+    SetDocSeeAlso("http://en.wikipedia.org/wiki/Dempster-Shafer_theory");
    
     AddDocTag(Tags::FeatureExtraction);
 
 
     AddParameter(ParameterType_InputVectorData, "in", "Input Vector Data");
-    SetParameterDescription("in", "Input vector data for validation");
+    SetParameterDescription("in", "Input vector data to validate");
 
     AddParameter(ParameterType_Filename, "descmod", "Descriptors model filename");
     SetParameterDescription("descmod", "Fuzzy descriptors model (xml file)");
@@ -95,13 +95,13 @@ private:
     SetParameterFloat("thd", 0.5);
 
     AddParameter(ParameterType_OutputVectorData, "out", "Output Vector Data");
-    SetParameterDescription("out", "Output validated vector data");
+    SetParameterDescription("out", "Output VectorData containing only the validated samples");
 
     // Doc example parameter settings
     SetDocExampleParameterValue("in", "cdbTvComputePolylineFeatureFromImage_LI_NOBUIL_gt.shp");
     SetDocExampleParameterValue("belsup", "cdbTvComputePolylineFeatureFromImage_LI_NOBUIL_gt.shp");
     SetDocExampleParameterValue("descmod", "DSFuzzyModel.xml");
-    SetDocExampleParameterValue("out", "VectorDataDSValidation.xml");
+    SetDocExampleParameterValue("out", "VectorDataDSValidation.shp");
     
   }