5 files changed, 6 insertions, 7 deletions
diff --git a/ftnoir_tracker_aruco/include/board.h b/ftnoir_tracker_aruco/include/board.h
index c1d79292..ec7dd43f 100644
--- a/ftnoir_tracker_aruco/include/board.h
+++ b/ftnoir_tracker_aruco/include/board.h
@@ -32,8 +32,8 @@ or implied, of Rafael Muñoz Salinas.
 #include <vector>
 #include "exports.h"
 #include "marker.h"
-using namespace std;
 namespace aruco {
+using namespace std;
 /**
  * 3d representation of a marker
  */
diff --git a/ftnoir_tracker_aruco/include/boarddetector.h b/ftnoir_tracker_aruco/include/boarddetector.h
index a0ee2361..619b4798 100644
--- a/ftnoir_tracker_aruco/include/boarddetector.h
+++ b/ftnoir_tracker_aruco/include/boarddetector.h
@@ -32,11 +32,10 @@ or implied, of Rafael Muñoz Salinas.
 #include "board.h"
 #include "cameraparameters.h"
 #include "markerdetector.h"
-using namespace std;
 
 namespace aruco
 {
-
+using namespace std;
 /**\brief This class detects AR boards
  * Version 1.2
  * There are two modes for board detection.
diff --git a/ftnoir_tracker_aruco/include/cameraparameters.h b/ftnoir_tracker_aruco/include/cameraparameters.h
index a419afbe..083d5f96 100644
--- a/ftnoir_tracker_aruco/include/cameraparameters.h
+++ b/ftnoir_tracker_aruco/include/cameraparameters.h
@@ -30,9 +30,10 @@ or implied, of Rafael Muñoz Salinas.
 #include "exports.h"
 #include <opencv2/core/core.hpp>
 #include <string>
-using namespace std;
+
 namespace aruco
 {
+using namespace std;
 /**\brief Parameters of the camera
  */
 
diff --git a/ftnoir_tracker_aruco/include/marker.h b/ftnoir_tracker_aruco/include/marker.h
index 89961002..efc3e5fe 100644
--- a/ftnoir_tracker_aruco/include/marker.h
+++ b/ftnoir_tracker_aruco/include/marker.h
@@ -32,8 +32,8 @@ or implied, of Rafael Muñoz Salinas.
 #include <opencv2/core/core.hpp>
 #include "exports.h"
 #include "cameraparameters.h"
-using namespace std;
 namespace aruco {
+using namespace std;
 /**\brief This class represents a marker. It is a vector of the fours corners ot the marker
  *
  */
diff --git a/ftnoir_tracker_aruco/include/markerdetector.h b/ftnoir_tracker_aruco/include/markerdetector.h
index 8a351f7c..ac120b18 100644
--- a/ftnoir_tracker_aruco/include/markerdetector.h
+++ b/ftnoir_tracker_aruco/include/markerdetector.h
@@ -33,11 +33,10 @@ or implied, of Rafael Muñoz Salinas.
 #include "cameraparameters.h"
 #include "exports.h"
 #include "marker.h"
-using namespace std;
 
 namespace aruco
 {
-
+using namespace std;
 /**\brief Main class for marker detection
  *
  */