From 4d3f1e94989d747c2cb48f2da6198b7ba88101f6 Mon Sep 17 00:00:00 2001
From: cont-integration <CI@iri.upc.edu>
Date: Wed, 24 Nov 2021 13:41:43 +0000
Subject: [PATCH] [skip ci] license headers added or modified

---
 src/corner_falko_2d.cpp                       | 21 +++++++++++++++++++
 src/corner_falko_2d.h                         | 21 +++++++++++++++++++
 src/corner_finder.cpp                         | 21 +++++++++++++++++++
 src/corner_finder.h                           | 21 +++++++++++++++++++
 src/corner_finder_inscribed_angle.cpp         | 21 +++++++++++++++++++
 src/corner_finder_inscribed_angle.h           | 21 +++++++++++++++++++
 src/corner_point.cpp                          | 21 +++++++++++++++++++
 src/corner_point.h                            | 21 +++++++++++++++++++
 src/deprecated/clustering.cpp                 | 21 +++++++++++++++++++
 src/deprecated/clustering.h                   | 21 +++++++++++++++++++
 src/deprecated/corner_detector.cpp            | 21 +++++++++++++++++++
 src/deprecated/corner_detector.h              | 21 +++++++++++++++++++
 src/deprecated/entities.cpp                   | 21 +++++++++++++++++++
 src/deprecated/entities.h                     | 21 +++++++++++++++++++
 .../examples/test_corner_aperture.cpp         | 21 +++++++++++++++++++
 .../examples/test_extract_corners.cpp         | 21 +++++++++++++++++++
 .../examples/test_laser_detector.cpp          | 21 +++++++++++++++++++
 src/deprecated/line_detector.cpp              | 21 +++++++++++++++++++
 src/deprecated/line_detector.h                | 21 +++++++++++++++++++
 src/deprecated/object_detector.cpp            | 21 +++++++++++++++++++
 src/deprecated/object_detector.h              | 21 +++++++++++++++++++
 src/deprecated/scan_basics.cpp                | 21 +++++++++++++++++++
 src/deprecated/scan_basics.h                  | 21 +++++++++++++++++++
 src/examples/polyline_demo.cpp                | 21 +++++++++++++++++++
 src/grid_2d.cpp                               | 21 +++++++++++++++++++
 src/grid_2d.h                                 | 21 +++++++++++++++++++
 src/grid_cluster.cpp                          | 21 +++++++++++++++++++
 src/grid_cluster.h                            | 21 +++++++++++++++++++
 src/icp.cpp                                   | 21 +++++++++++++++++++
 src/icp.h                                     | 21 +++++++++++++++++++
 src/laser_scan.cpp                            | 21 +++++++++++++++++++
 src/laser_scan.h                              | 21 +++++++++++++++++++
 src/laser_scan_utils.h                        | 21 +++++++++++++++++++
 src/laser_scan_with_params.cpp                | 21 +++++++++++++++++++
 src/laser_scan_with_params.h                  | 21 +++++++++++++++++++
 src/line_finder.cpp                           | 21 +++++++++++++++++++
 src/line_finder.h                             | 21 +++++++++++++++++++
 src/line_finder_hough.cpp                     | 21 +++++++++++++++++++
 src/line_finder_hough.h                       | 21 +++++++++++++++++++
 src/line_finder_iterative.cpp                 | 21 +++++++++++++++++++
 src/line_finder_iterative.h                   | 21 +++++++++++++++++++
 src/line_finder_jump_fit.cpp                  | 21 +++++++++++++++++++
 src/line_finder_jump_fit.h                    | 21 +++++++++++++++++++
 src/line_segment.cpp                          | 21 +++++++++++++++++++
 src/line_segment.h                            | 21 +++++++++++++++++++
 src/loop_closure_base.cpp                     | 21 +++++++++++++++++++
 src/loop_closure_base.h                       | 21 +++++++++++++++++++
 src/loop_closure_falko.h                      | 21 +++++++++++++++++++
 src/match_loop_closure_scene.h                | 21 +++++++++++++++++++
 src/point_set.cpp                             | 21 +++++++++++++++++++
 src/point_set.h                               | 21 +++++++++++++++++++
 src/polyline.cpp                              | 21 +++++++++++++++++++
 src/polyline.h                                | 21 +++++++++++++++++++
 src/scan_segment.cpp                          | 21 +++++++++++++++++++
 src/scan_segment.h                            | 21 +++++++++++++++++++
 src/scene_base.h                              | 21 +++++++++++++++++++
 src/scene_falko.h                             | 21 +++++++++++++++++++
 test/data/scan_data.h                         | 21 +++++++++++++++++++
 test/gtest/utils_gtest.h                      | 21 +++++++++++++++++++
 test/gtest_example.cpp                        | 21 +++++++++++++++++++
 test/gtest_loop_closure_falko.cpp             | 21 +++++++++++++++++++
 61 files changed, 1281 insertions(+)

diff --git a/src/corner_falko_2d.cpp b/src/corner_falko_2d.cpp
index edce4b9..78d2409 100644
--- a/src/corner_falko_2d.cpp
+++ b/src/corner_falko_2d.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file corner_falko_2d.cpp
  *
diff --git a/src/corner_falko_2d.h b/src/corner_falko_2d.h
index 89513e6..832a7b6 100644
--- a/src/corner_falko_2d.h
+++ b/src/corner_falko_2d.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file corner_falko_2d.h
  *
diff --git a/src/corner_finder.cpp b/src/corner_finder.cpp
index dd539f3..2b3158d 100644
--- a/src/corner_finder.cpp
+++ b/src/corner_finder.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "corner_finder.h"
 
 namespace laserscanutils
diff --git a/src/corner_finder.h b/src/corner_finder.h
index d9df2e6..34e5f6a 100644
--- a/src/corner_finder.h
+++ b/src/corner_finder.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef CORNER_FINDER_H_
 #define CORNER_FINDER_H_
 
diff --git a/src/corner_finder_inscribed_angle.cpp b/src/corner_finder_inscribed_angle.cpp
index ed46186..4fb77cc 100644
--- a/src/corner_finder_inscribed_angle.cpp
+++ b/src/corner_finder_inscribed_angle.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "corner_finder_inscribed_angle.h"
 
 namespace laserscanutils
diff --git a/src/corner_finder_inscribed_angle.h b/src/corner_finder_inscribed_angle.h
index 5e5cda4..1af53b4 100644
--- a/src/corner_finder_inscribed_angle.h
+++ b/src/corner_finder_inscribed_angle.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef CORNER_FINDER_INSCRIBED_ANGLE_H_
 #define CORNER_FINDER_INSCRIBED_ANGLE_H_
 
diff --git a/src/corner_point.cpp b/src/corner_point.cpp
index 2c3c782..600f8be 100644
--- a/src/corner_point.cpp
+++ b/src/corner_point.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "corner_point.h"
 
 //open namespace
diff --git a/src/corner_point.h b/src/corner_point.h
index 76f975b..d25884f 100644
--- a/src/corner_point.h
+++ b/src/corner_point.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef CORNER_POINT_H_
 #define CORNER_POINT_H_
 
diff --git a/src/deprecated/clustering.cpp b/src/deprecated/clustering.cpp
index 950d549..4c8d8bd 100644
--- a/src/deprecated/clustering.cpp
+++ b/src/deprecated/clustering.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /******* DEPRECATED *******/
 
 #include "clustering.h"
diff --git a/src/deprecated/clustering.h b/src/deprecated/clustering.h
index a41b9fd..2dfd2ec 100644
--- a/src/deprecated/clustering.h
+++ b/src/deprecated/clustering.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /******* DEPRECATED *******/
 
 #ifndef CLUSTERING_H
diff --git a/src/deprecated/corner_detector.cpp b/src/deprecated/corner_detector.cpp
index b7848fc..86a874b 100644
--- a/src/deprecated/corner_detector.cpp
+++ b/src/deprecated/corner_detector.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #include "corner_detector.h"
 
diff --git a/src/deprecated/corner_detector.h b/src/deprecated/corner_detector.h
index 4f45016..afd9dcc 100644
--- a/src/deprecated/corner_detector.h
+++ b/src/deprecated/corner_detector.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #ifndef CORNERS_H_
 #define CORNERS_H_
diff --git a/src/deprecated/entities.cpp b/src/deprecated/entities.cpp
index a4a1faf..e801e2a 100644
--- a/src/deprecated/entities.cpp
+++ b/src/deprecated/entities.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 //std
 #include "iostream"
 
diff --git a/src/deprecated/entities.h b/src/deprecated/entities.h
index fc72d81..2a1214e 100644
--- a/src/deprecated/entities.h
+++ b/src/deprecated/entities.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #ifndef ENTITIES_H_
 #define ENTITIES_H_
diff --git a/src/deprecated/examples/test_corner_aperture.cpp b/src/deprecated/examples/test_corner_aperture.cpp
index cf3bd15..2e40bf1 100644
--- a/src/deprecated/examples/test_corner_aperture.cpp
+++ b/src/deprecated/examples/test_corner_aperture.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 //std includes
 #include <iostream>
 
diff --git a/src/deprecated/examples/test_extract_corners.cpp b/src/deprecated/examples/test_extract_corners.cpp
index 825b781..9732651 100644
--- a/src/deprecated/examples/test_extract_corners.cpp
+++ b/src/deprecated/examples/test_extract_corners.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 //std includes
 #include <iostream>
 #include <list>
diff --git a/src/deprecated/examples/test_laser_detector.cpp b/src/deprecated/examples/test_laser_detector.cpp
index ba50295..b500087 100644
--- a/src/deprecated/examples/test_laser_detector.cpp
+++ b/src/deprecated/examples/test_laser_detector.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include <algorithm>
 #include <fstream>
 #include <iostream>
diff --git a/src/deprecated/line_detector.cpp b/src/deprecated/line_detector.cpp
index a2f6eaa..c2a7123 100644
--- a/src/deprecated/line_detector.cpp
+++ b/src/deprecated/line_detector.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #include "line_detector.h"
 
diff --git a/src/deprecated/line_detector.h b/src/deprecated/line_detector.h
index 850e5b8..1cf1e44 100644
--- a/src/deprecated/line_detector.h
+++ b/src/deprecated/line_detector.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #ifndef LINE_DETECTOR_H_
 #define LINE_DETECTOR_H_
diff --git a/src/deprecated/object_detector.cpp b/src/deprecated/object_detector.cpp
index 5a6c08f..8217843 100644
--- a/src/deprecated/object_detector.cpp
+++ b/src/deprecated/object_detector.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "object_detector.h"
 
 
diff --git a/src/deprecated/object_detector.h b/src/deprecated/object_detector.h
index 781c397..4a5b18b 100644
--- a/src/deprecated/object_detector.h
+++ b/src/deprecated/object_detector.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef OBJECT_DETECTOR_H
 #define OBJECT_DETECTOR_H
 
diff --git a/src/deprecated/scan_basics.cpp b/src/deprecated/scan_basics.cpp
index 48a5429..8a07e8e 100644
--- a/src/deprecated/scan_basics.cpp
+++ b/src/deprecated/scan_basics.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "scan_basics.h"
 
 void laserscanutils::ScanParams::print() const
diff --git a/src/deprecated/scan_basics.h b/src/deprecated/scan_basics.h
index 37e1cfd..bef9dc9 100644
--- a/src/deprecated/scan_basics.h
+++ b/src/deprecated/scan_basics.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #ifndef SCAN_BASICS_H_
 #define SCAN_BASICS_H_
diff --git a/src/examples/polyline_demo.cpp b/src/examples/polyline_demo.cpp
index 47bf725..e2900e9 100644
--- a/src/examples/polyline_demo.cpp
+++ b/src/examples/polyline_demo.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file polyline_test.cpp
  *
diff --git a/src/grid_2d.cpp b/src/grid_2d.cpp
index 9297704..9e75f85 100644
--- a/src/grid_2d.cpp
+++ b/src/grid_2d.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #include "grid_2d.h"
 
diff --git a/src/grid_2d.h b/src/grid_2d.h
index ba448e8..50d6257 100644
--- a/src/grid_2d.h
+++ b/src/grid_2d.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef GRID2D_H
 #define GRID2D_H
 
diff --git a/src/grid_cluster.cpp b/src/grid_cluster.cpp
index 326f314..fb0d859 100644
--- a/src/grid_cluster.cpp
+++ b/src/grid_cluster.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "grid_cluster.h"
 
 namespace laserscanutils
diff --git a/src/grid_cluster.h b/src/grid_cluster.h
index 933eb56..7c4b28a 100644
--- a/src/grid_cluster.h
+++ b/src/grid_cluster.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef GRID_CLUSTER_H_
 #define GRID_CLUSTER_H_
 
diff --git a/src/icp.cpp b/src/icp.cpp
index 74a79d1..f74e5d2 100644
--- a/src/icp.cpp
+++ b/src/icp.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "icp.h"
 #include <algorithm>
 
diff --git a/src/icp.h b/src/icp.h
index 1f31955..9083562 100644
--- a/src/icp.h
+++ b/src/icp.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef ICP_H_
 #define ICP_H_
 
diff --git a/src/laser_scan.cpp b/src/laser_scan.cpp
index 398e859..403bcae 100644
--- a/src/laser_scan.cpp
+++ b/src/laser_scan.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "laser_scan.h"
 
 namespace laserscanutils
diff --git a/src/laser_scan.h b/src/laser_scan.h
index 0574efe..05b4121 100644
--- a/src/laser_scan.h
+++ b/src/laser_scan.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef LASER_SCAN_H_
 #define LASER_SCAN_H_
 
diff --git a/src/laser_scan_utils.h b/src/laser_scan_utils.h
index 4c0e7de..ac5600a 100644
--- a/src/laser_scan_utils.h
+++ b/src/laser_scan_utils.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #ifndef TYPES_LASER_SCAN_UTILS_H_
 #define TYPES_LASER_SCAN_UTILS_H_
diff --git a/src/laser_scan_with_params.cpp b/src/laser_scan_with_params.cpp
index 98e8931..2c2fc01 100644
--- a/src/laser_scan_with_params.cpp
+++ b/src/laser_scan_with_params.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 
 #include "laser_scan_with_params.h"
 
diff --git a/src/laser_scan_with_params.h b/src/laser_scan_with_params.h
index b979124..1b6d3d3 100644
--- a/src/laser_scan_with_params.h
+++ b/src/laser_scan_with_params.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef LASER_SCAN_WITH_PARAMS_H_
 #define LASER_SCAN_WITH_PARAMS_H_
 
diff --git a/src/line_finder.cpp b/src/line_finder.cpp
index 2963620..4668b03 100644
--- a/src/line_finder.cpp
+++ b/src/line_finder.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "line_finder.h"
 
 namespace laserscanutils
diff --git a/src/line_finder.h b/src/line_finder.h
index 6bb6c33..a20c2e8 100644
--- a/src/line_finder.h
+++ b/src/line_finder.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef LINE_FINDER_H_
 #define LINE_FINDER_H_
 
diff --git a/src/line_finder_hough.cpp b/src/line_finder_hough.cpp
index 4f9543b..07a1989 100644
--- a/src/line_finder_hough.cpp
+++ b/src/line_finder_hough.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "line_finder_hough.h"
 
 namespace laserscanutils
diff --git a/src/line_finder_hough.h b/src/line_finder_hough.h
index a4e15e4..beacc9c 100644
--- a/src/line_finder_hough.h
+++ b/src/line_finder_hough.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef LINE_FINDER_HOUGH_H_
 #define LINE_FINDER_HOUGH_H_
 
diff --git a/src/line_finder_iterative.cpp b/src/line_finder_iterative.cpp
index fd2863e..e411421 100644
--- a/src/line_finder_iterative.cpp
+++ b/src/line_finder_iterative.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "line_finder_iterative.h"
 
 namespace laserscanutils
diff --git a/src/line_finder_iterative.h b/src/line_finder_iterative.h
index ff617a9..04d0bfd 100644
--- a/src/line_finder_iterative.h
+++ b/src/line_finder_iterative.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef LINE_FINDER_ITERATIVE_H_
 #define LINE_FINDER_ITERATIVE_H_
 
diff --git a/src/line_finder_jump_fit.cpp b/src/line_finder_jump_fit.cpp
index 671141e..1b1b256 100644
--- a/src/line_finder_jump_fit.cpp
+++ b/src/line_finder_jump_fit.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "line_finder_jump_fit.h"
 
 namespace laserscanutils
diff --git a/src/line_finder_jump_fit.h b/src/line_finder_jump_fit.h
index 18b986b..365f8f9 100644
--- a/src/line_finder_jump_fit.h
+++ b/src/line_finder_jump_fit.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef LINE_FINDER_JUMP_FIT_H_
 #define LINE_FINDER_JUMP_FIT_H_
 
diff --git a/src/line_segment.cpp b/src/line_segment.cpp
index 1b13d5e..3fd6bc7 100644
--- a/src/line_segment.cpp
+++ b/src/line_segment.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "line_segment.h"
 
 namespace laserscanutils
diff --git a/src/line_segment.h b/src/line_segment.h
index d26ab3e..bc1b6d3 100644
--- a/src/line_segment.h
+++ b/src/line_segment.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef LINE_SEGMENT_H_
 #define LINE_SEGMENT_H_
 
diff --git a/src/loop_closure_base.cpp b/src/loop_closure_base.cpp
index 687cefd..be32612 100644
--- a/src/loop_closure_base.cpp
+++ b/src/loop_closure_base.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file loop_closure_base_2d.h
  *
diff --git a/src/loop_closure_base.h b/src/loop_closure_base.h
index b9fcd99..7f5313f 100644
--- a/src/loop_closure_base.h
+++ b/src/loop_closure_base.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file loop_closure_base_2d.h
  *
diff --git a/src/loop_closure_falko.h b/src/loop_closure_falko.h
index 23a5def..e5e5b4c 100644
--- a/src/loop_closure_falko.h
+++ b/src/loop_closure_falko.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file loop_closure_base_2d.h
  *
diff --git a/src/match_loop_closure_scene.h b/src/match_loop_closure_scene.h
index a99dc00..b92dc8b 100644
--- a/src/match_loop_closure_scene.h
+++ b/src/match_loop_closure_scene.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file match_loop_closure.h
  *
diff --git a/src/point_set.cpp b/src/point_set.cpp
index aed39e4..7fa94d4 100644
--- a/src/point_set.cpp
+++ b/src/point_set.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "scan_segment.h"
 
 namespace laserscanutils
diff --git a/src/point_set.h b/src/point_set.h
index 739cc71..8994962 100644
--- a/src/point_set.h
+++ b/src/point_set.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef POINT_SET_H_
 #define POINT_SET_H_
 
diff --git a/src/polyline.cpp b/src/polyline.cpp
index aaac6fa..8d27612 100644
--- a/src/polyline.cpp
+++ b/src/polyline.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "polyline.h"
 
 namespace laserscanutils
diff --git a/src/polyline.h b/src/polyline.h
index ad8bb77..3dc9260 100644
--- a/src/polyline.h
+++ b/src/polyline.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef POLYLINE_H_
 #define POLYLINE_H_
 
diff --git a/src/scan_segment.cpp b/src/scan_segment.cpp
index 2a60786..e44fa81 100644
--- a/src/scan_segment.cpp
+++ b/src/scan_segment.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "scan_segment.h"
 
 namespace laserscanutils
diff --git a/src/scan_segment.h b/src/scan_segment.h
index c87693b..dbdcb09 100644
--- a/src/scan_segment.h
+++ b/src/scan_segment.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #ifndef SCAN_SEGMENT_H_
 #define SCAN_SEGMENT_H_
 
diff --git a/src/scene_base.h b/src/scene_base.h
index 40651e4..e0605f2 100644
--- a/src/scene_base.h
+++ b/src/scene_base.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file scene_base.h
  *
diff --git a/src/scene_falko.h b/src/scene_falko.h
index 9dbd1f8..7c4d5f3 100644
--- a/src/scene_falko.h
+++ b/src/scene_falko.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file scene_falko.h
  *
diff --git a/test/data/scan_data.h b/test/data/scan_data.h
index 7728475..211fbb5 100644
--- a/test/data/scan_data.h
+++ b/test/data/scan_data.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * FALKOLib - Fast Adaptive Laser Keypoint Orientation-invariant
  * Copyright (C) 2016 Fabjan Kallasi and Dario Lodi Rizzini.
diff --git a/test/gtest/utils_gtest.h b/test/gtest/utils_gtest.h
index 2deddcb..555b84a 100644
--- a/test/gtest/utils_gtest.h
+++ b/test/gtest/utils_gtest.h
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 /**
  * \file utils_gtest.h
  * \brief Some utils for gtest
diff --git a/test/gtest_example.cpp b/test/gtest_example.cpp
index 7dd3b9c..c87832d 100644
--- a/test/gtest_example.cpp
+++ b/test/gtest_example.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "gtest/utils_gtest.h"
 
 TEST(TestTest, DummyTestExample)
diff --git a/test/gtest_loop_closure_falko.cpp b/test/gtest_loop_closure_falko.cpp
index a51c576..b16863f 100644
--- a/test/gtest_loop_closure_falko.cpp
+++ b/test/gtest_loop_closure_falko.cpp
@@ -1,3 +1,24 @@
+//--------LICENSE_START--------
+//
+// Copyright (C) 2020,2021 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
+// Authors: Joan Vallvé Navarro (jvallve@iri.upc.edu)
+// All rights reserved.
+//
+// This file is part of laser_scan_utils
+// laser_scan_utils is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//--------LICENSE_END--------
 #include "loop_closure_base.h"
 #include "loop_closure_falko.h"
 #include "data/scan_data.h"
-- 
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