bool videoOptiTrack::open(gem::Properties&props) {
if(!CameraManager::X().AreCamerasInitialized()) {
return false;
}
CameraList list;
if(!m_devname.empty()) {
for(unsigned int i=0; i<list.Count(); i++) {
if(list[i].Name()==m_devname)
m_camera = CameraManager::X().GetCamera(list[i].UID());
if(m_camera)break;
}
if(!m_camera)
return false;
} else if(m_devnum>=0) {
if(m_devnum<list.Count())
m_camera = CameraManager::X().GetCamera(list[m_devnum].UID());
else
return false;
}
/* auto mode */
if(!m_camera)
m_camera = CameraManager::X().GetCamera();
if(!m_camera) {
return false;
}
m_pixBlock.image.xsize = m_camera->Width();
m_pixBlock.image.ysize = m_camera->Height();
m_camera->SetVideoType(MJPEGMode);
m_quality=m_camera->MJPEGQuality();
setProperties(props);
return true;
}
std::vector<std::string>videoOptiTrack::enumerate(void) {
std::vector<std::string>result;
if(!CameraManager::X().AreCamerasInitialized()) {
CameraManager::X().WaitForInitialization();
}
CameraList list;
unsigned int i;
for(i=0; i<list.Count(); i++) {
result.push_back(list[i].Name());
}
return result;
}
int main(int argc, char* argv[])
{
printf("==============================================================================\n");
printf("== Camera Calibration NaturalPoint 2010 ==\n");
printf("==============================================================================\n\n");
//== This example attaches a frame synchronizer for all connected cameras. Once
//== attached, it receives their synchronized frame data as a FrameGroup vs. the
//== GetFrame approach used for a single camera.
//== For OptiTrack Ethernet cameras, it's important to enable development mode if you
//== want to stop execution for an extended time while debugging without disconnecting
//== the Ethernet devices. Lets do that now:
CameraLibrary_EnableDevelopment();
//== Next, lets wait until all connected cameras are initialized ==
printf("Waiting for cameras to spin up...");
//== Initialize Camera Library ==----
CameraManager::X().WaitForInitialization();
//== Verify all cameras are initialized ==--
if(CameraManager::X().AreCamerasInitialized())
printf("complete\n\n");
else
{
printf("failed (return key to exit)");
getchar();
return 1;
}
//== Connect to all connected cameras ==----
Camera *camera[kMaxCameras];
int cameraCount=0;
CameraList list;
printf("Cameras:\n");
for(int i=0; i<list.Count(); i++)
{
printf("Camera %d >> %s\n", i, list[i].Name());
camera[i] = CameraManager::X().GetCamera(list[i].UID());
if(camera[i]==0)
printf("unable to connected to camera...\n");
else {
cameraCount++;
//camera[i]->SetVideoType(PrecisionMode); <-what's this? -NR
// values derived from visualtest.exe in camera SDK/bin -NR
camera[i]->SetExposure(50);
camera[i]->SetThreshold(200);
camera[i]->SetIntensity(15);
}
}
if(cameraCount==0)
{
printf("no cameras (return key to exit)");
getchar();
return 1;
}
printf("\n");
// after reading documentation, found following info: --nr
for(int i = 0; i < cameraCount; i++) {
cout << "camera " << i << endl;
cout << "physical pixel width: " << camera[i]->PhysicalPixelWidth() << endl;
cout << "physical pixel height: " << camera[i]->PhysicalPixelHeight() << endl;
cout << "focal length: " << camera[i]->FocalLength() << endl;
Core::DistortionModel dm;
camera[i]->GetDistortionModel(dm);
cout << "f horizontal: " << dm.HorizontalFocalLength << endl;
cout << "f vertical: " << dm.VerticalFocalLength << endl;
cout << "kc1: " << dm.KC1 << endl;
cout << "kc2: " << dm.KC2 << endl;
cout << "kc3: " << dm.KC3 << endl;
cout << "t0: " << dm.Tangential0 << endl;
cout << "t1: " << dm.Tangential1 << endl;
cout << "cx: " << dm.LensCenterX << endl;
cout << "cy: " << dm.LensCenterY << endl;
cout << "distort?: " << dm.Distort << endl;
}
//== Create and attach frame synchronizer ==--
cModuleSync * sync = new cModuleSync();
for(int i=0; i<cameraCount; i++)
sync->AddCamera(camera[i]);
//== Start cameras ==--
printf("Starting cameras... (any key to exit)\n\n");
for(int i=0; i<cameraCount; i++)
camera[i]->Start();
//== Define Image Size ==-- DBE
Size imageSize = Size(1280, 1024);
//== Get Image Points and Object Points==--
vector<vector<Point2f>> imagePoints = GetImagePoints(sync);
vector<vector<Point3f>> objectPoints = MakeObjectPoints(); //Only Works for our board (Alternating rows of 3 and 2 dots placed two inches apart horizontally and 1 inch vertically on a plane [z = 0])
//== Test built in Optitrack Code
cout << endl;
Core::DistortionModel dm;
camera[1]->GetDistortionModel(dm);
for (int i = 0; i < RECORDED_FRAMES; i++)
{
for (int j = 0; j < NUMBER_OF_POINTS ; j++)
{
Core::Undistort2DPoint(dm, imagePoints[i][j].x, imagePoints[i][j].y);
cout << "["<< imagePoints[i][j].x << ", " << imagePoints[i][j].y <<"], ";
}
cout << endl << "----------------------------------" << endl;
}
//Initialize Camera Matrix and distortion coefficient matrix
Mat cameraMatrix = Mat::eye(3, 3, CV_64F);
Mat distCoeffs = Mat::zeros(8, 1, CV_64F);
//Create rvecs and tvecs output vectors
vector<Mat> rvecs, tvecs;
//== Perform Calibration ==--
runCalibration(imageSize, cameraMatrix, distCoeffs, objectPoints, imagePoints, rvecs, tvecs);
//== Print Calibration ==-- DBE
cout << "\nCalibration Results:\n" << endl << "distCoeffs = " << endl;
printMat(distCoeffs);
cout << "Camera Matrix" << endl;
printMat(cameraMatrix);
//== Destroy synchronizer ==--
sync->RemoveAllCameras();
delete sync;
//== Release cameras ==--
for(int i=0; i<cameraCount; i++)
camera[i]->Release();
//== Disconnect devices and shutdown Camera Library ==--
CameraManager::X().Shutdown();
return 0;
}
void SynCaptureThread::run()
{
Camera **cameras = new Camera*[_numCameras];
CameraList list;
for(int i=0; i<list.Count(); i++)
{
cameras[i] = CameraManager::X().GetCamera(list[i].UID());
}
//== Create and attach frame synchronizer ==--
cModuleSync * sync = cModuleSync::Create();
for(int i=0; i<_numCameras; i++)
{
sync->AddCamera(cameras[i]);
}
for(int i=0; i<_numCameras; i++)
{
cameras[i]->Start();
cameras[i]->SetVideoType(Core::SegmentMode);
}
while(1)
{
if(_videoStatus == Para::PLAY_LIVE)
{
FrameGroup *frameGroup = sync->GetFrameGroup();
if(frameGroup)
{
for(int i = 0; i < _POIsList.size(); i++)
_POIsList[i].clear();
for(int i = 0; i<frameGroup->Count(); i++)
{
Frame * frame = frameGroup->GetFrame(i);
vector<POI> newPOIs;
for(int j = 0; j < frame->ObjectCount(); j++)
{
float area = frame->Object(j)->Area();
if(area > Para::markerFilterThreshold)
{
float x = frame->Object(j)->X();
float y = frame->Object(j)->Y();
POI temp(x, y);
if(!ContainNoise(_noisyList[i], temp)) // if temp is not in the nosiyList, which means temp is not a noise
newPOIs.push_back(temp);
}
}
frame->Release();
_POIsList[i] = newPOIs;
}
frameGroup->Release();
emit signalPOIsListReady(_POIsList);
}
}
else if( _videoStatus == Para::CALIBRATE)
{
FrameGroup *frameGroup = sync->GetFrameGroup();
if(frameGroup)
{
for(int i = 0; i < _POIsList.size(); i++)
_POIsList[i].clear();
_frameCount++;
if(_frameCount > Para::maxFrame * Para::frameInterval) // change to PLAY_LIVE mode when we have 500 frames
{
WriteCalibratedPoints();
_videoStatus = Para::PLAY_LIVE;
emit signalCalibrationReady();
}
for(int i = 0; i<frameGroup->Count(); i++)
{
Frame * frame = frameGroup->GetFrame(i);
vector<POI> newPOIs;
for(int j = 0; j < frame->ObjectCount(); j++)
{
float area = frame->Object(j)->Area();
if(area > Para::markerFilterThreshold)
{
float x = frame->Object(j)->X();
float y = frame->Object(j)->Y();
POI temp(x, y);
if(!ContainNoise(_noisyList[i], temp)) // if temp is not in the nosiyList, which means temp is not a noise
newPOIs.push_back(temp);
}
}
frame->Release();
_POIsList[i] = newPOIs;
}
if(_frameCount % Para::frameInterval == 0) // sample points each 3 frames
{
for(int i = 0; i < _POIsList.size(); i++)
{
if(_POIsList[i].size() == 0 || _POIsList[i].size() > 1)
{
_calibratedPoints[_frameCount / Para::frameInterval].push_back(Point2f(-1.0,-1.0));
continue;
}
for(int j = 0; j < _POIsList[i].size(); j++) // now we have only one calibration point
{
_calibratedPoints[_frameCount / Para::frameInterval].push_back(Point2f(_POIsList[i][j]._coordinates2d.x, _POIsList[i][j]._coordinates2d.y));
}
}
}
frameGroup->Release();
emit signalPOIsListReady(_POIsList);
}
}
else if(_videoStatus == Para::DENOISE)
{
FrameGroup *frameGroup = sync->GetFrameGroup();
if(frameGroup)
{
for(int i = 0; i < _POIsList.size(); i++)
_POIsList[i].clear();
for(int i = 0; i < frameGroup->Count(); i++)
{
Frame * frame = frameGroup->GetFrame(i);
for(int j = 0; j < frame->ObjectCount(); j++)
{
float area = frame->Object(j)->Area();
if(area > Para::markerFilterThreshold)
{
float x = frame->Object(j)->X();
float y = frame->Object(j)->Y();
POI temp(x, y);
if(!ContainNoise(_noisyList[i], temp)) // if temp is not in the nosiyList, which means temp is not a noise
_noisyList[i].push_back(temp);
}
}
frame->Release();
}
frameGroup->Release();
}
}
else if(_videoStatus == Para::STOP)
{
}
else if(_videoStatus == Para::BREAK)
break;
}
delete[] cameras;
exec();
}