diff --git a/Code/OBIA/otbHooverInstanceFilter.h b/Code/OBIA/otbHooverInstanceFilter.h
index 7bdf525c6dd40f94e5669d55b8fca87d77ad07f6..b8c549a22abb550ce83e458e53c6cb997a72abcb 100644
--- a/Code/OBIA/otbHooverInstanceFilter.h
+++ b/Code/OBIA/otbHooverInstanceFilter.h
@@ -38,12 +38,14 @@ namespace otb
  *    - over segmentation (a GT region paired with a set of MS regions)
  *    - missed (a GT region that doesn't belong to any of the previous instances)
  *    - noise (a MS region that doesn't belong to any of the previous instances)
+ *
  * The corresponding scores are :
  *    - RC : for correct detection
  *    - RF : for over segmentation
  *    - RA : for under segmentation
  *    - RM : for missed regions (only for GT)
  *    - RN : for noise regions (only for MS)
+ *
  * These Hoover scores that are stored in the label maps are computed between 0 (if the region doesn't belong to this kind of instance) and 1.
  *
  * If the user wants to which region labels have been paired, he can set the flag UseExtendedAttributes. The extended attributes contain the
@@ -53,10 +55,12 @@ namespace otb
  *    - ATTRIBUTE_US[_x] (under segmentation) : labels of the corresponding regions of GT / label of the under segmentated region of MS
  *    - ATTRIBUTE_M (missed) : missed region own label (in GT)
  *    - ATTRIBUTE_N (noise) : noise region own label (in MS)
+ *
  * These attributes are handled in a different way than the Hoover scores. The simple presence of an extended attribute in a given region has a
  * meaning, regardless of its value. It is assumed that its value always corresponds to an existing region label. This is why these extended
  * attributes are not reseted but removed before computing Hoover instances.
  * (see Hoover et al., "An experimental comparison of range image segmentation algorithms", IEEE PAMI vol. 18, no. 7, July 1996)
+ * 
  * \sa HooverMatrixFilter
  */
 
@@ -162,19 +166,19 @@ protected:
   /** Re implement the release input method to handle the second input correctly */
   virtual void ReleaseInputs();
   
-  /** ThreadedProcessLabelObject :
+  /** Actions :
    *    - Fill cardinalities of GT regions
    */
   virtual void ThreadedProcessLabelObject( LabelObjectType * labelObject );
   
-  /** BeforeThreadedGenerateData:
+  /** Actions:
    *    - Check matrix size
    *    - Init cardinalities lists
    *    - Fill cardinalities list for MS (GT is done by ThreadedProcessLabelObject)
    */
   virtual void BeforeThreadedGenerateData();
   
-  /** AfterThreadedGenerateData :
+  /** Actions :
    *    - Compute Hoover instances
    */
   virtual void AfterThreadedGenerateData();
@@ -205,11 +209,19 @@ private:
   /** Flag to output additional information in label maps */
   bool m_UseExtendedAttributes;
   
-  /** Average scores for the whole segmentation */
+  /** Average score for correct detection on the whole segmentation */
   AttributesValueType m_MeanRC;
+  
+  /** Average score for over segmentation on the whole segmentation */
   AttributesValueType m_MeanRF;
+  
+  /** Average score for under segmentation on the whole segmentation */
   AttributesValueType m_MeanRA;
+  
+  /** Average score for missed detection on the whole segmentation */
   AttributesValueType m_MeanRM;
+  
+  /** Average score for noise on the whole segmentation */
   AttributesValueType m_MeanRN;
   
 };
diff --git a/Code/OBIA/otbHooverMatrixFilter.h b/Code/OBIA/otbHooverMatrixFilter.h
index 4ceb3beb36f1e10406bd3bba54b0178a1ff5733e..41ad0f3f465345d89a307ed76210a93eaf1fb566 100644
--- a/Code/OBIA/otbHooverMatrixFilter.h
+++ b/Code/OBIA/otbHooverMatrixFilter.h
@@ -86,22 +86,21 @@ protected:
   
   ~HooverMatrixFilter() {};
   
-  /** BeforeThreadedGenerateData
-   *  Resize the matrix
+  /** Action :  Resize the matrix
    */
   virtual void BeforeThreadedGenerateData();
 
-  /** Real action of the filter : fill the line of the confusion matrix corresponding to
+  /** Action : fill the line of the confusion matrix corresponding to
    * the given label object
    */
   virtual void ThreadedProcessLabelObject( LabelObjectType * labelObject );
 
 private:
   
-  /** number of label objects found in the ground truth (GT) label maps */
+  /** Number of label objects found in the ground truth (GT) label maps */
   unsigned long     m_NumberOfRegionsGT;
   
-  /** number of label objects found in the machine segmentation (MS) label maps */
+  /** Number of label objects found in the machine segmentation (MS) label maps */
   unsigned long     m_NumberOfRegionsMS;
   
   /** List of labels in GT label map */
diff --git a/Code/OBIA/otbLabelMapToAttributeImageFilter.h b/Code/OBIA/otbLabelMapToAttributeImageFilter.h
index ca311739f7e486b8fbe7d21c62ce56d780605694..c18de64922858bd2634a5f079ca322a3ba6089ff 100644
--- a/Code/OBIA/otbLabelMapToAttributeImageFilter.h
+++ b/Code/OBIA/otbLabelMapToAttributeImageFilter.h
@@ -30,7 +30,7 @@ namespace otb
  * \brief This class produces an image from attributes in a label map
  *
  * This filter is intended to work on AttributesMapLabelObject. The user chooses
- * the attribute to display for each channel. The output image is expected to be
+ * the attributes to display for each channel. The output image is expected to be
  * a vector image.
  */
 
@@ -71,8 +71,10 @@ public:
   typedef TAttributeAccessor          AttributeAccessorType;
   typedef typename AttributeAccessorType::AttributeValueType AttributeValueType;
   
-  /** Get/Set Macro for background value */
+  /** Get macro for background value */
   itkGetConstMacro(BackgroundValue, OutputInternalPixelType);
+  
+  /** Set macro for background value */
   itkSetMacro(BackgroundValue, OutputInternalPixelType);
   
   /** Get the current chosen attributes */