diff --git a/Code/DisparityMap/otbPixelWiseBlockMatchingImageFilter.h b/Code/DisparityMap/otbPixelWiseBlockMatchingImageFilter.h
index 52daf0b5e0d622a4cceec534b1d49cee24fcb7b9..68eded701afb6da66c875e15e1ac8046164c6ef3 100644
--- a/Code/DisparityMap/otbPixelWiseBlockMatchingImageFilter.h
+++ b/Code/DisparityMap/otbPixelWiseBlockMatchingImageFilter.h
@@ -287,6 +287,18 @@ public:
     return m_Functor;
   }
 
+  /** Get the functor for parameters setting */
+  BlockMatchingFunctorType &  GetFunctor()
+  {
+    return m_Functor;
+  }
+
+  /** Get the functor (const version) */
+  const BlockMatchingFunctorType &  GetFunctor() const
+  {
+    return m_Functor;
+  }
+
   /** Set initial horizontal disparity field (optional, override m_InitHorizontalDisparity) */
   void SetHorizontalDisparityInput( const TOutputDisparityImage * hfield);
 
@@ -341,6 +353,9 @@ private:
   /** Block-matching functor */
   BlockMatchingFunctorType      m_Functor;  
 
+  /** Block-matching functor */
+  BlockMatchingFunctorType      m_Functor;  
+
   /** Block-matching functor */
   BlockMatchingFunctorType      m_Functor;