diff --git a/Code/FeatureExtraction/otbImageToHessianDeterminantImageFilter.txx b/Code/FeatureExtraction/otbImageToHessianDeterminantImageFilter.txx
index eedf1c96d2f4fa6fdad5b4f3e567d4c801d8fbe9..feabc707fa1ee2eb140d3d666c5a2298fd347096 100644
--- a/Code/FeatureExtraction/otbImageToHessianDeterminantImageFilter.txx
+++ b/Code/FeatureExtraction/otbImageToHessianDeterminantImageFilter.txx
@@ -1,3 +1,23 @@
+/*=========================================================================
+
+Program:   ORFEO Toolbox
+Language:  C++
+Date:      $Date$
+Version:   $Revision$
+
+
+Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+See OTBCopyright.txt for details.
+
+Copyright (c) CS Systemes d'information. All rights reserved.
+See CSCopyright.txt for details.
+
+This software is distributed WITHOUT ANY WARRANTY; without even 
+the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+
 #ifndef _otbImageToHessianDeterminantImageFilter_txx
 #define _otbImageToHessianDeterminantImageFilter_txx
 
@@ -12,8 +32,10 @@ namespace otb
     // Filter intialisation
     m_HessianFilter = ImageToHessianImageFilterType::New();
     m_DeterminantFilter = DeterminantFilterType::New();
+    
     // pipeline wiring
     m_DeterminantFilter->SetInput(m_HessianFilter->GetOutput());
+    
     // default parameter value
     m_Sigma = 1.0;
   }