Visual Servoing Platform version 3.6.0
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tutorial-mb-klt-tracker.cpp
#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)
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 (vpIoTools::checkFilename(objectname + ".xml")) {
tracker.loadConfigFile(objectname + ".xml");
usexml = true;
}
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:211
static const vpColor none
Definition vpColor.h:223
Display for windows using GDI (available on any windows 32 platform).
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:132
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:59
Implementation of an homogeneous matrix and operations on such kind of matrices.
Definition of the vpImage class member functions.
Definition vpImage.h:135
static bool checkFilename(const std::string &filename)
static std::string getNameWE(const std::string &pathname)
static std::string getParent(const std::string &pathname)
Wrapper for the KLT (Kanade-Lucas-Tomasi) feature tracker implemented in OpenCV. Thus to enable this ...
Definition vpKltOpencv.h:73
void setBlockSize(int blockSize)
void setQuality(double qualityLevel)
void setHarrisFreeParameter(double harris_k)
void setMaxFeatures(int maxCount)
void setMinDistance(double minDistance)
void setWindowSize(int winSize)
void setPyramidLevels(int pyrMaxLevel)
static double rad(double deg)
Definition vpMath.h:116
Model based tracker using only KLT.
virtual void track(const vpImage< unsigned char > &I)
virtual void setKltOpencv(const vpKltOpencv &t)
virtual void loadConfigFile(const std::string &configFile, bool verbose=true)
virtual void display(const vpImage< unsigned char > &I, const vpHomogeneousMatrix &cMo, const vpCameraParameters &cam, const vpColor &col, unsigned int thickness=1, bool displayFullModel=false)
virtual void setOgreVisibilityTest(const bool &v)
void setCameraParameters(const vpCameraParameters &cam)
void setKltMaskBorder(const unsigned int &e)
virtual void setOgreShowConfigDialog(bool showConfigDialog)
virtual void getCameraParameters(vpCameraParameters &cam) const
virtual void setDisplayFeatures(bool displayF)
virtual void getPose(vpHomogeneousMatrix &cMo) const
virtual void setAngleDisappear(const double &a)
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)
virtual unsigned int getClipping() const
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)