diff --git a/src/corner_falko_2d.h b/src/corner_falko_2d.h
index 3c35597d8d3c4c70d3917ef78a158c520fdb9810..746e4e11aca2ae4d053f631bca23b1b274a381e0 100644
--- a/src/corner_falko_2d.h
+++ b/src/corner_falko_2d.h
@@ -40,11 +40,7 @@ namespace laserscanutils
 {
 
 /** \brief A 2D corner extractor and loop closure computing class
- *
- *
- *
- *
- */
+**/
 
 class CornerFalko2d: public falkolib::FALKOExtractor, public falkolib::BSCExtractor<falkolib::FALKO>, public falkolib::NNMatcher<falkolib::FALKO>
 {
@@ -64,15 +60,9 @@ public:
     CornerFalko2d(int _circularSectorNumber=16, int _radialRingNumber=8, bool _useKeypointRadius = true, double _radius = 0.1) ;
         
     /** \brief Destructor
-     * 
-     * Destructor
-     * 
      **/
     ~CornerFalko2d();
 
-    /** \brief Extract landmark/scene (list of corners) from a given 2D scan
-     **/
-
     /** \brief compare new scans against the training set in order to find loop closures
      **/
     void findLoopClosure(LaserScan scan,LaserScanParams scanParams);
diff --git a/src/loop_closure_base_2d.cpp b/src/loop_closure_base_2d.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/loop_closure_base_2d.h b/src/loop_closure_base_2d.h
new file mode 100644
index 0000000000000000000000000000000000000000..0c36cf1cb3ade3912dcf57b58ac6aec38add9168
--- /dev/null
+++ b/src/loop_closure_base_2d.h
@@ -0,0 +1,34 @@
+/**
+ * \file loop_closure_base_2d.h
+ *
+ *  Created on: Feb 9, 2021
+ *      \author: spujol
+ */
+
+#ifndef LOOP_CLOSURE_BASE_2D_H_
+#define LOOP_CLOSURE_BASE_2D_H_
+
+#include <iostream>
+#include <fstream>
+
+namespace laserscanutils
+{
+   /** \brief A 2base class for loop closure using falko library
+*/
+class loopClosureBase2d{
+private:
+
+public:
+    /** \brief Constructor
+    **/
+
+    loopClosureBase2d();
+
+    /** \brief Destructor 
+    **/
+    ~loopClosureBase2d();
+
+};
+} /* namespace laserscanutils */
+
+#endif /* LANDMARK_POLYLINE_2d_H_ */
\ No newline at end of file