--- a/include/Motion.hpp	Mon Dec 12 15:44:54 2011 -0500
+++ b/include/Motion.hpp	Mon Dec 12 18:32:10 2011 -0500
@@ -117,12 +117,12 @@
   // find connected components, check if old enough, if so, remove
 
   /// Computes the connected components: features have to be older than lastInstant
-  std::vector<std::vector<vertex_descriptor> > connectedComponents(const int& lastInstant);
+  void connectedComponents(const int& lastInstant);
 
   /** Performs some checks on groups of features and return their lists of ids if correct
       Removes the vertices from the graph
    */
-  std::vector<std::vector<unsigned int> > getFeatureGroups(const std::vector<std::vector<vertex_descriptor> >& objectHypotheses);
+  std::vector<std::vector<unsigned int> > getFeatureGroups(void);
 
   std::string informationString(void);
 
@@ -136,6 +136,8 @@
 
   UndirectedGraph graph;
   
+  std::vector<std::vector<vertex_descriptor> > objectHypotheses;
+
   void computeVertexIndex(void);
 
   //std::vector<UndirectedGraph::vertex_descriptor> currentVertices, lostVertices;