Visual Servoing Platform  version 3.6.1 under development (2024-07-15)
tutorial-mb-klt-tracker.cpp
#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 <visp3/io/vpVideoReader.h>
#include <visp3/mbt/vpMbKltTracker.h>
int main(int argc, char **argv)
{
#if defined(VISP_HAVE_OPENCV) && defined(HAVE_OPENCV_IMGPROC) && defined(HAVE_OPENCV_VIDEO)
#ifdef ENABLE_VISP_NAMESPACE
using namespace VISP_NAMESPACE_NAME;
#endif
try {
std::string videoname = "teabox.mp4";
for (int i = 0; i < argc; i++) {
if (std::string(argv[i]) == "--name")
videoname = std::string(argv[i + 1]);
else if (std::string(argv[i]) == "--help") {
std::cout << "\nUsage: " << argv[0] << " [--name <video name>] [--help]\n" << std::endl;
return EXIT_SUCCESS;
}
}
std::string parentname = vpIoTools::getParent(videoname);
std::string objectname = vpIoTools::getNameWE(videoname);
if (!parentname.empty())
objectname = parentname + "/" + objectname;
std::cout << "Video name: " << videoname << std::endl;
std::cout << "Tracker requested config files: " << objectname << ".[init,"
<< "xml,"
<< "cao or wrl]" << std::endl;
std::cout << "Tracker optional config files: " << objectname << ".[ppm]" << std::endl;
g.setFileName(videoname);
g.open(I);
#if defined(VISP_HAVE_X11)
vpDisplayX display;
#elif defined(VISP_HAVE_GDI)
vpDisplayGDI display;
#elif defined(HAVE_OPENCV_HIGHGUI)
vpDisplayOpenCV display;
#else
std::cout << "No image viewer is available..." << std::endl;
return EXIT_FAILURE;
#endif
display.init(I, 100, 100, "Model-based keypoint tracker");
vpMbKltTracker tracker;
bool usexml = false;
#if defined(VISP_HAVE_PUGIXML)
if (vpIoTools::checkFilename(objectname + ".xml")) {
tracker.loadConfigFile(objectname + ".xml");
usexml = true;
}
#endif
if (!usexml) {
vpKltOpencv klt_settings;
klt_settings.setMaxFeatures(300);
klt_settings.setWindowSize(5);
klt_settings.setQuality(0.015);
klt_settings.setMinDistance(8);
klt_settings.setHarrisFreeParameter(0.01);
klt_settings.setBlockSize(3);
klt_settings.setPyramidLevels(3);
tracker.setKltOpencv(klt_settings);
tracker.setKltMaskBorder(5);
cam.initPersProjWithoutDistortion(839, 839, 325, 243);
tracker.setCameraParameters(cam);
tracker.setFarClippingDistance(100.0);
}
tracker.setOgreVisibilityTest(true);
tracker.setOgreShowConfigDialog(false);
tracker.loadModel(objectname + "-triangle.cao");
tracker.setDisplayFeatures(true);
tracker.initClick(I, objectname + ".init", true);
while (!g.end()) {
g.acquire(I);
tracker.track(I);
tracker.getPose(cMo);
tracker.getCameraParameters(cam);
tracker.display(I, cMo, cam, vpColor::red, 2);
vpDisplay::displayFrame(I, cMo, cam, 0.025, vpColor::none, 3);
vpDisplay::displayText(I, 10, 10, "A click to exit...", vpColor::red);
if (vpDisplay::getClick(I, false))
break;
}
}
catch (const vpException &e) {
std::cout << "Catch a ViSP exception: " << e << std::endl;
}
#ifdef VISP_HAVE_OGRE
catch (Ogre::Exception &e) {
std::cout << "Catch an Ogre exception: " << e.getDescription() << std::endl;
}
#endif
#else
(void)argc;
(void)argv;
std::cout << "Install OpenCV and rebuild ViSP to use this example." << std::endl;
#endif
}
Generic class defining intrinsic camera parameters.
void initPersProjWithoutDistortion(double px, double py, double u0, double v0)
static const vpColor red
Definition: vpColor.h:217
static const vpColor none
Definition: vpColor.h:229
Display for windows using GDI (available on any windows 32 platform).
Definition: vpDisplayGDI.h:130
The vpDisplayOpenCV allows to display image using the OpenCV library. Thus to enable this class OpenC...
Use the X11 console to display images on unix-like OS. Thus to enable this class X11 should be instal...
Definition: vpDisplayX.h:135
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
static void display(const vpImage< unsigned char > &I)
static void displayFrame(const vpImage< unsigned char > &I, const vpHomogeneousMatrix &cMo, const vpCameraParameters &cam, double size, const vpColor &color=vpColor::none, unsigned int thickness=1, const vpImagePoint &offset=vpImagePoint(0, 0), const std::string &frameName="", const vpColor &textColor=vpColor::black, const vpImagePoint &textOffset=vpImagePoint(15, 15))
static void flush(const vpImage< unsigned char > &I)
static void displayText(const vpImage< unsigned char > &I, const vpImagePoint &ip, const std::string &s, const vpColor &color)
error that can be emitted by ViSP classes.
Definition: vpException.h:60
Implementation of an homogeneous matrix and operations on such kind of matrices.
static bool checkFilename(const std::string &filename)
Definition: vpIoTools.cpp:786
static std::string getNameWE(const std::string &pathname)
Definition: vpIoTools.cpp:1227
static std::string getParent(const std::string &pathname)
Definition: vpIoTools.cpp:1314
Wrapper for the KLT (Kanade-Lucas-Tomasi) feature tracker implemented in OpenCV. Thus to enable this ...
Definition: vpKltOpencv.h:74
void setBlockSize(int blockSize)
Definition: vpKltOpencv.h:267
void setQuality(double qualityLevel)
Definition: vpKltOpencv.h:356
void setHarrisFreeParameter(double harris_k)
Definition: vpKltOpencv.h:275
void setMaxFeatures(int maxCount)
Definition: vpKltOpencv.h:315
void setMinDistance(double minDistance)
Definition: vpKltOpencv.h:324
void setWindowSize(int winSize)
Definition: vpKltOpencv.h:377
void setPyramidLevels(int pyrMaxLevel)
Definition: vpKltOpencv.h:343
static double rad(double deg)
Definition: vpMath.h:129
Model based tracker using only KLT.
virtual void setKltOpencv(const vpKltOpencv &t)
virtual void setOgreVisibilityTest(const bool &v) VP_OVERRIDE
void setCameraParameters(const vpCameraParameters &cam) VP_OVERRIDE
virtual void display(const vpImage< unsigned char > &I, const vpHomogeneousMatrix &cMo, const vpCameraParameters &cam, const vpColor &col, unsigned int thickness=1, bool displayFullModel=false) VP_OVERRIDE
void setKltMaskBorder(const unsigned int &e)
virtual void track(const vpImage< unsigned char > &I) VP_OVERRIDE
virtual void loadConfigFile(const std::string &configFile, bool verbose=true) VP_OVERRIDE
virtual void setOgreShowConfigDialog(bool showConfigDialog)
Definition: vpMbTracker.h:652
virtual void getCameraParameters(vpCameraParameters &cam) const
Definition: vpMbTracker.h:250
virtual void setDisplayFeatures(bool displayF)
Definition: vpMbTracker.h:520
virtual void getPose(vpHomogeneousMatrix &cMo) const
Definition: vpMbTracker.h:416
virtual void setAngleDisappear(const double &a)
Definition: vpMbTracker.h:483
virtual void initClick(const vpImage< unsigned char > &I, const std::string &initFile, bool displayHelp=false, const vpHomogeneousMatrix &T=vpHomogeneousMatrix())
virtual void setNearClippingDistance(const double &dist)
virtual void setFarClippingDistance(const double &dist)
virtual void setClipping(const unsigned int &flags)
virtual void loadModel(const std::string &modelFile, bool verbose=false, const vpHomogeneousMatrix &T=vpHomogeneousMatrix())
virtual void setAngleAppear(const double &a)
Definition: vpMbTracker.h:472
virtual unsigned int getClipping() const
Definition: vpMbTracker.h:258
Class that enables to manipulate easily a video file or a sequence of images. As it inherits from the...
void acquire(vpImage< vpRGBa > &I)
void open(vpImage< vpRGBa > &I)
void setFileName(const std::string &filename)