virtual void run() {
helper::PerformanceMeasurer PM;
PM.tic();
while(!is->done()) {
_mutex.lock();
is->get(frame);
if(frame.empty()) {
loglni("[TrackThread] no valid frame, exit!!!");
OpenCVneedQuit = true;
_mutex.unlock();
break;
}
cvtColor(frame, gray, CV_BGR2GRAY);
double rms, ncc;
if( needToInit ) {
loglni("[TrackThread] INITing...");
Mat tmpH;
if( findAprilTag(frame, 0, tmpH, true) ) {
#if !USE_INTERNAL_DETECTOR
Mat initH = tmpH * iHI;
needToInit = !tracker.init(gray, initH, rms, ncc);
#else
needToInit=!tracker.init(gray,rms,ncc);
#endif
if(!needToInit) loglni("[TrackThread] ...INITed");
if(!needToInit) tracker.draw3D(frame);
}
} else {
needToInit=!tracker(gray, rms, ncc, opencvDraw?&frame:0);
if(!needToInit) tracker.GetCameraPose(camR,camT,false,true);
}
++BkgModifyCnt;
loglni("[TrackThread] fps="<<1.0/PM.toctic());
_mutex.unlock();
if(OpenCVneedQuit) {
break;
}
++framecnt;
}
OpenThreads::Thread::YieldCurrentThread();
loglni("[TrackThread] OpenCV quited...");
if(!videoFromWebcam) {
loglni("[TrackThread] OpenCV notify OSG to quit...");
viewer.setDone(true);
}
}
int main( int argc, char **argv )
{
if(argc<4) {
usage(argc,argv);
return 1;
}
is = helper::createImageSource(argv[1]);
if(is.empty() || is->done()) {
loglne("[main] createImageSource failed or no valid imagesource!");
return -1;
}
is->pause(false);
is->reportInfo();
is->get(frame);
imgW = frame.cols; imgH = frame.rows;
videoFromWebcam = false;
if( is->classname() == "ImageSource_Camera" ) {
videoFromWebcam = true;
}
loglni("[main] loading K matrix from: "<<argv[2]);
double K[9];
std::ifstream kfile(argv[2]);
for(int i=0; i<9; ++i) kfile >> K[i];
tracker.loadK(K);
loglni("[main] K matrix loaded:");
loglni(helper::PrintMat<>(3,3,K));
loglni("[main] load template image from: "<<argv[3]);
tracker.loadTemplate(argv[3]);
//////////////// TagDetector /////////////////////////////////////////
int tagid = 0; //default tag16h5
if(argc>5) tagid = atoi(argv[5]);
tagFamily = TagFamilyFactory::create(tagid);
if(tagFamily.empty()) {
loglne("[main] create TagFamily fail!");
return -1;
}
detector = new TagDetector(tagFamily);
if(detector.empty()) {
loglne("[main] create TagDetector fail!");
return -1;
}
Mat temp = imread(argv[3]);
if( findAprilTag(temp, 0, HI, true) ) {
namedWindow("template");
imshow("template", temp);
iHI = HI.inv();
} else {
loglne("[main error] detector did not find any apriltag on template image!");
return -1;
}
//////////////// OSG ////////////////////////////////////////////////
osg::ref_ptr<osg::Group> root = new osg::Group;
string scenefilename = (argc>4?argv[4]:("cow.osg"));
osg::ref_ptr<osg::Node> cow = osgDB::readNodeFile(scenefilename);
arscene = new helper::ARSceneRoot;
helper::FixMat<3,double>::Type matK = helper::FixMat<3,double>::ConvertType(K);
CV2CG::cv2cg(matK,0.01,500,imgW,imgH,*arscene);
manipMat = new osg::MatrixTransform(osg::Matrix::identity());
manipMat->addChild(cow);
manipMat->getOrCreateStateSet()->setMode(GL_NORMALIZE, osg::StateAttribute::ON);
arscene->addChild(manipMat);
osg::ref_ptr<osg::Image> backgroundImage = new osg::Image;
helper::cvmat2osgimage(frame,backgroundImage);
arvideo = new helper::ARVideoBackground(backgroundImage);
root->setUpdateCallback(new ARUpdateCallback);
root->addChild(arvideo);
root->addChild(arscene);
viewer.setSceneData(root);
viewer.addEventHandler(new osgViewer::StatsHandler);
viewer.addEventHandler(new osgViewer::WindowSizeHandler);
viewer.addEventHandler(new QuitHandler);
//start tracking thread
OpenThreads::Thread::Init();
TrackThread* thr = new TrackThread;
thr->start();
viewer.run();
delete thr;
loglni("[main] DONE...exit!");
return 0;
}