diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3110457628..fd2b83fb32 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -114,6 +114,9 @@ option(WITH_OPENCL  "Utilisation d'OpenCL" OFF)
 # Multi thread Poisson avec OpenMP
 option(WITH_OPEN_MP "use OpenMP" OFF)
 
+# External QPBO library require
+option(WITH_QPBO "use external QPBO" OFF)
+
 # print system calls
 option(TRACE_SYSTEM "print system calls" OFF)
 
@@ -174,6 +177,15 @@ if(WITH_OPEN_MP)
 	set(USE_OPEN_MP 1)
 endif()
 
+if(WITH_QPBO)
+        FIND_PACKAGE(qpbo REQUIRED)
+        if(NOT qpbo_FOUND)
+                message(FATAL_ERROR "QPBO library package wasn't found. Please disable QPBO with -DWITH_QPBO=OFF")
+        endif()
+else(WITH_QPBO)
+        message(STATUS "System QPBO was disabled, using embedded one")
+endif(WITH_QPBO)
+
 ######################################
 ## 	Trouver les EXES et Libs	##
 ######################################
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1a6a732a50..bfdac6fd31 100755
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -170,6 +170,14 @@ else()
 	add_library(${libElise} ${Elise_Src_Files} ${QT_ALLFILES})
 endif()
 
+if(qpbo_FOUND)
+        string(APPEND CMAKE_C_FLAGS " ${qpbo_C_FLAGS}")
+        string(APPEND CMAKE_CXX_FLAGS " ${qpbo_CXX_FLAGS}")
+        target_link_libraries(${libElise} "${qpbo_LD_FLAGS}")
+else(qpbo_FOUND)
+        target_include_directories(${libElise} PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/uti_phgrm/GraphCut/QPBO-v1.4/>")
+endif(qpbo_FOUND)
+
 if(QT_ENABLED)
 	target_link_libraries(${libElise} Qt5::Widgets Qt5::Core Qt5::Gui Qt5::Xml Qt5::Concurrent Qt5::OpenGL)
 	add_subdirectory(saisieQT)
diff --git a/src/uti_phgrm/CPP_Tequila.cpp b/src/uti_phgrm/CPP_Tequila.cpp
index dd553fcc9e..f428bfe6d9 100755
--- a/src/uti_phgrm/CPP_Tequila.cpp
+++ b/src/uti_phgrm/CPP_Tequila.cpp
@@ -38,7 +38,7 @@ English :
 Header-MicMac-eLiSe-25/06/2007*/
 #include "StdAfx.h"
 #include "TexturePacker/TexturePacker.h"
-#include "GraphCut/QPBO-v1.4/QPBO.h"
+#include "qpbo.h"
 
 void LoadTrScaleRotate
      (
@@ -558,7 +558,7 @@ int Tequila_main(int argc,char ** argv)
 
                 for(int aCam=0; aCam< nCam;++aCam)
                 {
-                    QPBO<float>* q = new QPBO<float>(nTriangles, nEdges); // max number of nodes & edges
+                    qpbo::QPBO<float>* q = new qpbo::QPBO<float>(nTriangles, nEdges); // max number of nodes & edges
 
                     set <int> vTri;
                     cZBuf *aZBuffer = aZBufManager.getZBuf(aCam);
diff --git a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO.cpp b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO.cpp
index b5600dde89..1c61691367 100755
--- a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO.cpp
+++ b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO.cpp
@@ -24,6 +24,8 @@
 #include "QPBO.h"
 
 
+using namespace qpbo;
+
 template <typename T>
     QPBO<T>::QPBO(int node_num_max, int edge_num_max, void (*err_function)(const char *))
     : node_num(0),
diff --git a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO.h b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO.h
index f0759fd383..d68715d7be 100755
--- a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO.h
+++ b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO.h
@@ -121,6 +121,7 @@
 // #define code_assert(ignore)((void) 0)
 
 
+namespace qpbo {
 
 // REAL: can be int, float, double.
 // Current instantiations are in instances.inc
@@ -804,6 +805,8 @@ template <typename T>
     }
 }
 
+} // end namespace qpbo
+
 /*
     special constants for node->parent
 */
diff --git a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_extra.cpp b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_extra.cpp
index cfc732b897..a8961f9260 100755
--- a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_extra.cpp
+++ b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_extra.cpp
@@ -28,6 +28,8 @@
 #undef REAL
 #endif
 
+using namespace qpbo;
+
 /////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////
diff --git a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_maxflow.cpp b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_maxflow.cpp
index f62f391765..e74eb7e894 100755
--- a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_maxflow.cpp
+++ b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_maxflow.cpp
@@ -22,6 +22,8 @@
 #include <stdio.h>
 #include "QPBO.h"
 
+using namespace qpbo;
+
 #ifdef REAL
 #undef REAL
 #endif
diff --git a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_postprocessing.cpp b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_postprocessing.cpp
index cdcf751d61..2c8c51ae9a 100755
--- a/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_postprocessing.cpp
+++ b/src/uti_phgrm/GraphCut/QPBO-v1.4/QPBO_postprocessing.cpp
@@ -28,6 +28,8 @@
 #undef REAL
 #endif
 
+using namespace qpbo;
+
 template <typename REAL>
 	void QPBO<REAL>::ComputeWeakPersistencies()
 {
diff --git a/src/uti_phgrm/GraphCut/QPBO-v1.4/instances.inc b/src/uti_phgrm/GraphCut/QPBO-v1.4/instances.inc
index 048bdf85de..3f3e0223ed 100755
--- a/src/uti_phgrm/GraphCut/QPBO-v1.4/instances.inc
+++ b/src/uti_phgrm/GraphCut/QPBO-v1.4/instances.inc
@@ -6,6 +6,8 @@
 
 // Instantiations
 
+namespace qpbo {
+
 template <> 
 	inline void QPBO<int>::get_type_information(const char*& type_name, const char*& type_format)
 {
@@ -31,4 +33,4 @@ template class QPBO<int>;
 template class QPBO<float>;
 template class QPBO<double>;
 
-
+} // end namespace qpbo
diff --git a/src/uti_phgrm/GraphCut/QPBO-v1.4/qpbo.h b/src/uti_phgrm/GraphCut/QPBO-v1.4/qpbo.h
new file mode 120000
index 0000000000..f3464b2828
--- /dev/null
+++ b/src/uti_phgrm/GraphCut/QPBO-v1.4/qpbo.h
@@ -0,0 +1 @@
+QPBO.h
\ No newline at end of file
diff --git a/src/uti_phgrm/Sources.cmake b/src/uti_phgrm/Sources.cmake
index 0f33baee26..713758d8fc 100755
--- a/src/uti_phgrm/Sources.cmake
+++ b/src/uti_phgrm/Sources.cmake
@@ -22,7 +22,9 @@ set(UTI_PHGRM_SAT_PHYS_MOD ${UTI_PHGRM_DIR}/SatPhysMod)
 set(UTI_PHGRM_TEXT_DIR ${UTI_PHGRM_DIR}/TexturePacker)
 
 set(UTI_PHGRM_MAXFLOW_DIR ${UTI_PHGRM_GRAPHCUT_DIR}/MaxFlow)
-set(UTI_PHGRM_QPBO_DIR ${UTI_PHGRM_GRAPHCUT_DIR}/QPBO-v1.4)
+if(NOT QPBO_FOUND)
+        set(UTI_PHGRM_QPBO_DIR ${UTI_PHGRM_GRAPHCUT_DIR}/QPBO-v1.4)
+endif(NOT QPBO_FOUND)
 set(UTI_PHGRM_SAT4GEO_DIR ${UTI_PHGRM_DIR}/SAT4GEO)
 
 set(SrcGrp_Uti_PHGRM uti_phgrm)
@@ -31,7 +33,9 @@ set(SrcGrp_Graph_Cut uti_phgrm/GraphCut)
 include(${UTI_PHGRM_APERO_DIR}/Sources.cmake)
 include(${UTI_PHGRM_MICMAC_DIR}/Sources.cmake)
 include(${UTI_PHGRM_MAXFLOW_DIR}/Sources.cmake)
-include(${UTI_PHGRM_QPBO_DIR}/Sources.cmake)
+if(NOT QPBO_FOUND)
+        include(${UTI_PHGRM_QPBO_DIR}/Sources.cmake)
+endif(NOT QPBO_FOUND)
 include(${UTI_PHGRM_REDUCHOM_DIR}/Sources.cmake)
 include(${UTI_PHGRM_RHH_DIR}/Sources.cmake)
 include(${UTI_PHGRM_PORTO_DIR}/Sources.cmake)