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//! \example tutorial-mb-generic-tracker-stereo.cpp
#include <cstdlib>
#include <visp3/core/vpConfig.h>
#include <visp3/core/vpIoTools.h>
#include <visp3/gui/vpDisplayGDI.h>
#include <visp3/gui/vpDisplayOpenCV.h>
#include <visp3/gui/vpDisplayX.h>
#include <visp3/io/vpImageIo.h>
//! [Include]
#include <visp3/mbt/vpMbGenericTracker.h>
//! [Include]
#include <visp3/io/vpVideoReader.h>
int main(int argc, char **argv)
{
#if defined(VISP_HAVE_OPENCV)
try {
std::string opt_videoname_left = "teabox_left.mp4";
std::string opt_videoname_right = "teabox_right.mp4";
int opt_tracker1 = vpMbGenericTracker::EDGE_TRACKER;
int opt_tracker2 = vpMbGenericTracker::EDGE_TRACKER;
for (int i = 0; i < argc; i++) {
if (std::string(argv[i]) == "--name" && i + 2 < argc) {
opt_videoname_left = std::string(argv[i + 1]);
opt_videoname_right = std::string(argv[i + 2]);
} else if (std::string(argv[i]) == "--tracker" && i + 2 < argc) {
opt_tracker1 = atoi(argv[i + 1]);
opt_tracker2 = atoi(argv[i + 2]);
} else if (std::string(argv[i]) == "--help") {
std::cout << "\nUsage: " << argv[0]
<< " [--name <video name left> <video name right>]"
" [--tracker <1=egde|2=klt|3=hybrid> <1=egde|2=klt|3=hybrid>]"
" [--help]\n"
<< std::endl;
return EXIT_SUCCESS;
}
}
if ((opt_tracker1 < 1 || opt_tracker1 > 3) && (opt_tracker2 < 1 || opt_tracker2 > 3)) {
std::cerr << "Wrong tracker type. Correct values are: "
"1=egde|2=keypoint|3=hybrid."
<< std::endl;
return EXIT_SUCCESS;
}
std::string parentname = vpIoTools::getParent(opt_videoname_left);
std::string objectname_left = vpIoTools::getNameWE(opt_videoname_left);
std::string objectname_right = vpIoTools::getNameWE(opt_videoname_right);
if (!parentname.empty()) {
objectname_left = parentname + "/" + objectname_left;
}
std::cout << "Video name: " << opt_videoname_left << " ; " << opt_videoname_right << std::endl;
std::cout << "Tracker requested config files: " << objectname_left << ".[init, cao]"
<< " and " << objectname_right << ".[init, cao]" << std::endl;
std::cout << "Tracker optional config files: " << opt_videoname_left << ".ppm"
<< " and " << opt_videoname_right << ".ppm" << std::endl;
//! [Images]
vpImage<unsigned char> I_left, I_right;
//! [Images]
vpVideoReader g_left, g_right;
g_left.setFileName(opt_videoname_left);
g_left.open(I_left);
g_right.setFileName(opt_videoname_right);
g_right.open(I_right);
#if defined(VISP_HAVE_X11)
vpDisplayX display_left;
vpDisplayX display_right;
#elif defined(VISP_HAVE_GDI)
vpDisplayGDI display_left;
vpDisplayGDI display_right;
#elif defined(HAVE_OPENCV_HIGHGUI)
vpDisplayOpenCV display_left;
vpDisplayOpenCV display_right;
#endif
display_left.setDownScalingFactor(vpDisplay::SCALE_AUTO);
display_right.setDownScalingFactor(vpDisplay::SCALE_AUTO);
display_left.init(I_left, 100, 100, "Model-based tracker (Left)");
display_right.init(I_right, 110 + (int)I_left.getWidth(), 100, "Model-based tracker (Right)");
//! [Constructor]
std::vector<int> trackerTypes(2);
trackerTypes[0] = opt_tracker1;
trackerTypes[1] = opt_tracker2;
vpMbGenericTracker tracker(trackerTypes);
//! [Constructor]
#if !defined(VISP_HAVE_MODULE_KLT)
if (opt_tracker >= 2) {
std::cout << "klt and hybrid model-based tracker are not available "
"since visp_klt module is missing"
<< std::endl;
return EXIT_SUCCESS;
}
#endif
//! [Load config file]
tracker.loadConfigFile(objectname_left + ".xml", objectname_right + ".xml");
//! [Load config file]
//! [Load cao]
tracker.loadModel(objectname_left + ".cao", objectname_right + ".cao");
//! [Load cao]
//! [Set display features]
tracker.setDisplayFeatures(true);
//! [Set display features]
//! [Set camera transformation matrix]
vpHomogeneousMatrix cRightMcLeft;
std::ifstream file_cRightMcLeft("cRightMcLeft.txt");
cRightMcLeft.load(file_cRightMcLeft);
std::map<std::string, vpHomogeneousMatrix> mapOfCameraTransformationMatrix;
mapOfCameraTransformationMatrix["Camera1"] = vpHomogeneousMatrix();
mapOfCameraTransformationMatrix["Camera2"] = cRightMcLeft;
tracker.setCameraTransformationMatrix(mapOfCameraTransformationMatrix);
//! [Set camera transformation matrix]
//! [Init]
tracker.initClick(I_left, I_right, objectname_left + ".init", objectname_right + ".init", true);
//! [Init]
while (!g_left.end() && !g_right.end()) {
g_left.acquire(I_left);
g_right.acquire(I_right);
vpDisplay::display(I_left);
vpDisplay::display(I_right);
//! [Track]
tracker.track(I_left, I_right);
//! [Track]
//! [Get pose]
vpHomogeneousMatrix cLeftMo, cRightMo;
tracker.getPose(cLeftMo, cRightMo);
//! [Get pose]
//! [Display]
vpCameraParameters cam_left, cam_right;
tracker.getCameraParameters(cam_left, cam_right);
tracker.display(I_left, I_right, cLeftMo, cRightMo, cam_left, cam_right, vpColor::red, 2);
//! [Display]
vpDisplay::displayFrame(I_left, cLeftMo, cam_left, 0.025, vpColor::none, 3);
vpDisplay::displayFrame(I_right, cRightMo, cam_right, 0.025, vpColor::none, 3);
vpDisplay::displayText(I_left, 10, 10, "A click to exit...", vpColor::red);
vpDisplay::flush(I_left);
vpDisplay::flush(I_right);
if (vpDisplay::getClick(I_left, false)) {
break;
}
}
vpDisplay::getClick(I_left);
} catch (const vpException &e) {
std::cerr << "Catch a ViSP exception: " << e.what() << std::endl;
}
#else
(void)argc;
(void)argv;
std::cout << "Install OpenCV and rebuild ViSP to use this example." << std::endl;
#endif
}
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