Visual Servoing Platform  version 3.4.0
tutorial-matching-surf-deprecated.cpp
#include <visp3/gui/vpDisplayOpenCV.h>
#include <visp3/io/vpVideoReader.h>
#include <visp3/vision/vpKeyPointSurf.h>
int main()
{
#if defined(VISP_HAVE_OPENCV_NONFREE) && (VISP_HAVE_OPENCV_VERSION < 0x030000)
vpVideoReader reader;
reader.setFileName("video-postcard.mp4");
reader.acquire(I);
vpKeyPointSurf surf;
surf.buildReference(I);
Idisp.resize(I.getHeight(), 2 * I.getWidth());
Idisp.insert(I, vpImagePoint(0, 0));
Idisp.insert(I, vpImagePoint(0, I.getWidth()));
vpDisplayOpenCV d(Idisp, 0, 0, "Matching surf keypoints");
while (!reader.end()) {
reader.acquire(I);
Idisp.insert(I, vpImagePoint(0, I.getWidth()));
unsigned int nbMatch = surf.matchPoint(I);
vpImagePoint iPref, iPcur;
for (unsigned int i = 0; i < nbMatch; i++) {
surf.getMatchedPoints(i, iPref, iPcur);
}
if (vpDisplay::getClick(Idisp, false))
break;
}
#endif
return 0;
}