2 #include <visp/vpDisplayGDI.h>
3 #include <visp/vpDisplayX.h>
4 #include <visp/vpImageIo.h>
5 #include <visp/vpMbKltTracker.h>
9 #ifdef VISP_HAVE_OPENCV
16 #if defined(VISP_HAVE_X11)
17 vpDisplayX display(I,100,100,
"Model-based keypoints tracker");;
18 #elif defined(VISP_HAVE_GDI)
19 vpDisplayGDI display(I,100,100,
"Model-based keypoints tracker");;
21 std::cout <<
"No image viewer is available..." << std::endl;