diff --git a/CartographicDBValidation/otbVectorDataDSValidation.cxx b/CartographicDBValidation/otbVectorDataDSValidation.cxx
index 83f940ff0a69e7ba547bb56316ee294dfcdb29f8..ef6533cf79f7fd6730ff3107a94a11f3bb8faf4f 100644
--- a/CartographicDBValidation/otbVectorDataDSValidation.cxx
+++ b/CartographicDBValidation/otbVectorDataDSValidation.cxx
@@ -29,18 +29,18 @@ namespace otb
 {
 int VectorDataDSValidation::Describe(ApplicationDescriptor* descriptor)
 {
-  descriptor->SetName("Vector data validation parser function");
-  descriptor->SetDescription("Vector data validation.");
-  descriptor->AddOption("InputShapeFileName", "Input Shape file name", "in", 1, true,
-                        ApplicationDescriptor::FileName);
-  descriptor->AddOption("OutputShapeFileName", "Output Shape file name", "out", 1, true,
-                        ApplicationDescriptor::FileName);
+  descriptor->SetName("Vector data validation");
+  descriptor->SetDescription("Vector data validation using Clasifier fusion.");
+  descriptor->AddOption("InputShapeFileName", "Input Shape file name",
+                        "in", 1, true, ApplicationDescriptor::FileName);
+  descriptor->AddOption("OutputShapeFileName", "Output Shape file name",
+                        "out", 1, true, ApplicationDescriptor::FileName);
   descriptor->AddOptionNParams("Hypothesis", "Hypothesis (default: NDVI, RADIOM)",
                                "hyp", false, ApplicationDescriptor::StringList);
-  descriptor->AddOption("DescriptorsModelFileName", "Fuzzy descriptors model xml file (default: NDVI(0.25, 0.5, 0.75, 0.99) / RADIOM(0.25, 0.5, 0.75, 0.90))", "descMod", 1, false,
-                        ApplicationDescriptor::FileName);
-  descriptor->AddOption("CriterionFormula", "Criterion formula expression (default: ((Belief + Plausibility)/2) >= 0.5)", "exp", 1, false,
-                        ApplicationDescriptor::FileName);
+  descriptor->AddOption("DescriptorsModelFileName", "Fuzzy descriptors model xml file (default: NDVI(0.25, 0.5, 0.75, 0.99) / RADIOM(0.25, 0.5, 0.75, 0.90))",
+                        "descMod", 1, true, ApplicationDescriptor::FileName);
+  descriptor->AddOption("CriterionFormula", "Criterion formula expression (default: ((Belief + Plausibility)/2) >= 0.5)",
+                        "exp", 1, false, ApplicationDescriptor::FileName);
 
   return EXIT_SUCCESS;
 }
@@ -73,10 +73,19 @@ int VectorDataDSValidation::Execute(otb::ApplicationOptionsResult* parseResult)
 
   // Load the hypothesis
   LabelSetType hypothesis;
-  unsigned int nbOfHypo = parseResult->GetNumberOfParameters("Hypothesis");
-  for (unsigned int i = 0; i < nbOfHypo; i++)
+  if (parseResult->IsOptionPresent("Hypothesis"))
     {
+    unsigned int nbOfHypo = parseResult->GetNumberOfParameters("Hypothesis");
+    for (unsigned int i = 0; i < nbOfHypo; i++)
+      {
       hypothesis.insert(parseResult->GetParameterString("Hypothesis", i));
+      }
+    }
+  else
+    {
+    hypothesis.insert("NDVI");
+    hypothesis.insert("RADIOM");
+    hypothesis.insert("DBOVERLAP");
     }
  
   // Process
@@ -84,8 +93,14 @@ int VectorDataDSValidation::Execute(otb::ApplicationOptionsResult* parseResult)
   filter->SetInput(vdReader->GetOutput());
   filter->SetDescriptorModels(descMod);
   filter->SetHypothesis(hypothesis);
-  filter->SetCriterionFormula(parseResult->GetParameterString("CriterionFormula"));
-
+  if (parseResult->IsOptionPresent("CriterionFormula"))
+    {
+    filter->SetCriterionFormula(parseResult->GetParameterString("CriterionFormula"));
+    }
+  else
+    {
+    filter->SetCriterionFormula(parseResult->GetParameterString("((Belief + Plausibility)/2.)"));
+    }
   // Write the output
   VectorDataWriterType::Pointer vdWriter = VectorDataWriterType::New();
   vdWriter->SetFileName(parseResult->GetParameterString("OutputShapeFileName"));