inline void getBGRImageFromMetaData( const xn::ImageMetaData& imageMetaData, cv::Mat& bgrImage )
{
if( imageMetaData.PixelFormat() != XN_PIXEL_FORMAT_RGB24 )
CV_Error( CV_StsUnsupportedFormat, "Unsupported format of grabbed image\n" );
cv::Mat rgbImage( imageMetaData.YRes(), imageMetaData.XRes(), CV_8UC3 );
const XnRGB24Pixel* pRgbImage = imageMetaData.RGB24Data();
// CV_Assert( 3*sizeof(uchar) == sizeof(XnRGB24Pixel) );
memcpy( rgbImage.data, pRgbImage, rgbImage.total()*sizeof(XnRGB24Pixel) );
cv::cvtColor( rgbImage, bgrImage, CV_RGB2BGR );
}
int main ( int argc, char ** argv )
{
//
// Initializing Calibration Related
//
// ARTagHelper artagHelper ( colorImgWidth, colorImgHeight, ARTAG_CONFIG_FILE, ARTAG_POS_FILE );
ARTagHelper artagHelper ( colorImgWidth, colorImgHeight, ARTAG_CONFIG_A3_FILE, ARTAG_POS_A3_FILE );
ExtrCalibrator extrCalibrator ( 6, KINECT_INTR_FILE, KINECT_DIST_FILE );
// unsigned char * kinectImgBuf = new unsigned char[colorImgWidth * colorImgHeight * 3];
//
// Initializing OpenNI Settings
//
int ctlWndKey = -1;
XnStatus nRetVal = XN_STATUS_OK;
xn::EnumerationErrors errors;
//
// Initialize Context Object
//
nRetVal = g_Context.InitFromXmlFile ( CONFIG_XML_PATH, g_ScriptNode, &errors );
if ( nRetVal == XN_STATUS_NO_NODE_PRESENT )
{
XnChar strError[1024];
errors.ToString ( strError, 1024 );
printf ( "XN_STATUS_NO_NODE_PRESENT:\n%s\n", strError );
system ( "pause" );
return ( nRetVal );
}
else if ( nRetVal != XN_STATUS_OK )
{
printf ( "Open FAILED:\n%s\n", xnGetStatusString ( nRetVal ) );
system ( "pause" );
return ( nRetVal );
}
//
// Handle the Depth Generator Node.
//
nRetVal = g_Context.FindExistingNode ( XN_NODE_TYPE_DEPTH, g_DepthGen );
if ( nRetVal != XN_STATUS_OK )
{
printf ( "No Depth Node Exists! Please Check your XML.\n" );
return ( nRetVal );
}
//
// Handle the Image Generator node
//
nRetVal = g_Context.FindExistingNode ( XN_NODE_TYPE_IMAGE, g_ImageGen );
if ( nRetVal != XN_STATUS_OK )
{
printf ( "No Image Node Exists! Please Check your XML.\n" );
return ( nRetVal );
}
// g_DepthGen.GetAlternativeViewPointCap().SetViewPoint( g_ImageGen );
g_DepthGen.GetMetaData ( g_DepthMD );
g_ImageGen.GetMetaData ( g_ImageMD );
assert ( g_ImageMD.PixelFormat() == XN_PIXEL_FORMAT_RGB24 );
assert ( g_DepthMD.PixelFormat() == XN_PIXEL_FORMAT_GRAYSCALE_16_BIT );
//
// Create OpenCV Showing Window and Related Data Structures
//
cv::namedWindow ( IMAGE_WIN_NAME, CV_WINDOW_AUTOSIZE );
cv::namedWindow ( DEPTH_WIN_NAME, CV_WINDOW_AUTOSIZE );
cv::Mat depthImgMat ( g_DepthMD.YRes(), g_DepthMD.XRes(), CV_16UC1 );
cv::Mat depthImgShow ( g_DepthMD.YRes(), g_DepthMD.XRes(), CV_8UC3 );
cv::Mat colorImgMat ( g_ImageMD.YRes(), g_ImageMD.XRes(), CV_8UC3 );
#define ARTAG_DEBUG
#ifdef ARTAG_DEBUG
cv::setMouseCallback ( IMAGE_WIN_NAME, ClickOnMouse, 0 );
#endif
bool flipColor = true;
//
// Start to Loop
//
while ( ctlWndKey != ESC_KEY_VALUE )
{
//
// Try to Get New Frame From Kinect
//
nRetVal = g_Context.WaitAnyUpdateAll ();
g_DepthGen.GetMetaData ( g_DepthMD );
g_ImageGen.GetMetaData ( g_ImageMD );
assert ( g_DepthMD.FullXRes() == g_DepthMD.XRes() && g_DepthMD.FullYRes() == g_DepthMD.YRes() );
assert ( g_ImageMD.FullXRes() == g_ImageMD.XRes() && g_ImageMD.FullYRes() == g_ImageMD.YRes() );
GlobalUtility::CopyColorRawBufToCvMat8uc3 ( (const XnRGB24Pixel *)(g_ImageMD.Data()), colorImgMat );
#ifdef SHOW_DEPTH_WINDOW
GlobalUtility::CopyDepthRawBufToCvMat16u ( (const XnDepthPixel *)(g_DepthMD.Data()), depthImgMat );
// GlobalUtility::ConvertDepthCvMat16uToYellowCvMat ( depthImgMat, depthImgShow );
GlobalUtility::ConvertDepthCvMat16uToGrayCvMat ( depthImgMat, depthImgShow );
cv::imshow ( DEPTH_WIN_NAME, depthImgShow );
#endif
ctlWndKey = cvWaitKey ( 15 );
if ( ctlWndKey == 'f' || ctlWndKey == 'F' )
{
artagHelper.Clear();
artagHelper.FindMarkerCorners ( (unsigned char *)(g_ImageMD.Data()) );
artagHelper.PrintMarkerCornersPos2dInCam ();
extrCalibrator.ExtrCalib ( artagHelper );
std::cout << "\nKinect Extr Matrix:" << std::endl;
extrCalibrator.PrintMatrix ( extrCalibrator.GetMatrix ( ExtrCalibrator::EXTR ) );
std::cout << "Reprojection ERROR = "
<< extrCalibrator.ComputeReprojectionErr ( artagHelper ) << std::endl
// << extrCalibrator.ComputeReprojectionErr ( artagHelper.m_MarkerCornerPosCam2d, artagHelper.m_MarkerCornerPos3d, 24 ) << std::endl
<< "Valid Marker Number = " << artagHelper.GetValidMarkerNumber() << std::endl
<< std::endl;
extrCalibrator.SaveMatrix ( ExtrCalibrator::EXTR, KINECT_EXTR_FILE );
}
if ( ctlWndKey == 's' || ctlWndKey == 'S' )
{
flipColor = !flipColor;
}
if ( flipColor ) {
cv::cvtColor ( colorImgMat, colorImgMat, CV_RGB2BGR );
}
artagHelper.DrawMarkersInCameraImage ( colorImgMat );
cv::imshow ( IMAGE_WIN_NAME, colorImgMat );
}
g_Context.Release ();
system ( "pause" );
exit ( EXIT_SUCCESS );
}
int main ( int argc, char * argv[] )
{
//
// Initialize OpenNI Settings
//
XnStatus nRetVal = XN_STATUS_OK;
xn::ScriptNode scriptNode;
xn::EnumerationErrors errors;
//
// Initialize Context Object
//
nRetVal = g_Context.InitFromXmlFile ( CONFIG_XML_PATH, scriptNode, &errors );
if ( nRetVal == XN_STATUS_NO_NODE_PRESENT ) {
XnChar strError[1024];
errors.ToString(strError, 1024);
printf ( "XN_STATUS_NO_NODE_PRESENT:\n%s\n", strError );
system ( "pause" );
return ( nRetVal );
}
else if ( nRetVal != XN_STATUS_OK ) {
printf ( "Open failed: %s\n", xnGetStatusString(nRetVal) );
system ( "pause" );
return ( nRetVal );
}
//
// Handle Image & Depth Generator Node
//
bool colorFlag = true;
bool depthFlag = true;
nRetVal = g_Context.FindExistingNode ( XN_NODE_TYPE_DEPTH, g_DepthGen );
if ( nRetVal != XN_STATUS_OK ) {
printf("No depth node exists!\n");
depthFlag = false;
}
nRetVal = g_Context.FindExistingNode ( XN_NODE_TYPE_IMAGE, g_ImageGen );
if ( nRetVal != XN_STATUS_OK ) {
printf("No image node exists!\n");
colorFlag = false;
}
// g_DepthGen.GetAlternativeViewPointCap().SetViewPoint( g_ImageGen );
if ( depthFlag ) {
g_DepthGen.GetMetaData ( g_DepthMD );
assert ( g_DepthMD.PixelFormat() == XN_PIXEL_FORMAT_GRAYSCALE_16_BIT );
}
if ( colorFlag ) {
g_ImageGen.GetMetaData ( g_ImageMD );
assert ( g_ImageMD.PixelFormat() == XN_PIXEL_FORMAT_RGB24 );
}
g_DepthImgShow = cv::Mat ( g_DepthMD.YRes(), g_DepthMD.XRes(), CV_8UC1 );
g_DepthImgMat = cv::Mat ( g_DepthMD.YRes(), g_DepthMD.XRes(), CV_16UC1 );
g_ColorImgMat = cv::Mat ( g_ImageMD.YRes(), g_ImageMD.XRes(), CV_8UC3 );
//
// Start to Loop
//
bool flipColor = true;
int ctlWndKey = -1;
g_StartTickCount = GetTickCount();
g_HeadTrackingFrameCount = 0;
while ( ctlWndKey != ESC_KEY_VALUE )
{
nRetVal = g_Context.WaitOneUpdateAll ( g_DepthGen );
// nRetVal = g_Context.WaitAnyUpdateAll();
#ifdef HANDLING_IMAGE_DATA
if ( colorFlag )
{
g_ImageGen.GetMetaData ( g_ImageMD );
assert ( g_ImageMD.FullXRes() == g_ImageMD.XRes() );
assert ( g_ImageMD.FullYRes() == g_ImageMD.YRes() );
GlobalUtility::CopyColorRawBufToCvMat8uc3 ( (const XnRGB24Pixel *)(g_ImageMD.Data()), g_ColorImgMat );
if ( ctlWndKey == 's' || ctlWndKey == 'S' ) { // Switch
flipColor = !flipColor;
}
if ( flipColor ) {
cv::cvtColor ( g_ColorImgMat, g_ColorImgMat, CV_RGB2BGR );
}
cv::namedWindow ( IMAGE_WIN_NAME, CV_WINDOW_AUTOSIZE );
cv::imshow ( IMAGE_WIN_NAME, g_ColorImgMat );
}
#endif
#ifdef HANDLING_DEPTH_DATA
if ( depthFlag )
{
g_DepthGen.GetMetaData(g_DepthMD);
// assert ( g_DepthMD.FullXRes() == g_DepthMD.XRes() );
// assert ( g_DepthMD.FullYRes() == g_DepthMD.YRes() );
GlobalUtility::CopyDepthRawBufToCvMat16u ( (const XnDepthPixel *)(g_DepthMD.Data()), g_DepthImgMat );
GlobalUtility::ConvertDepthCvMat16uToGrayCvMat ( g_DepthImgMat, g_DepthImgShow );
/*
cv::putText(colorImgMat,
GlobalUtility::DoubleToString(g_ImageMD.FPS()) + " FPS",
cv::Point(10, 450),
cv::FONT_ITALIC,
0.7,
cv::Scalar(255, 255, 255, 0),
2,
8,
false);
*/
cv::namedWindow ( DEPTH_WIN_NAME, CV_WINDOW_AUTOSIZE );
cv::imshow ( DEPTH_WIN_NAME, g_DepthImgShow );
}
#endif
XnFieldOfView fov;
g_DepthGen.GetFieldOfView( fov );
std::cout << "HFov = " << fov.fHFOV << std::endl
<< "VFov = " << fov.fVFOV << std::endl;
ctlWndKey = cvWaitKey ( 5 );
g_HeadTrackingFrameCount++;
g_CurrTickCount = GetTickCount();
std::cout << "FPS = "
<< 1000 / ( ( double )( g_CurrTickCount - g_StartTickCount ) / ( double )( g_HeadTrackingFrameCount ) )
<< std::endl;
}
g_Context.Release ();
exit ( EXIT_SUCCESS );
}
bool OpenNIVideo::update(osg::NodeVisitor* nv) {
//this is the main function of your video plugin
//you can either retrieve images from your video stream/camera/file
//or communicate with a thread to synchronize and get the data out
//the most important is to synchronize your data
//and copy the result to the VideoImageSteam used in this plugin
//
//0. you can collect some stats, for that you can use a timer
osg::Timer t;
{
//1. mutex lock access to the image video stream
OpenThreads::ScopedLock<OpenThreads::Mutex> _lock(this->getMutex());
osg::notify(osg::DEBUG_INFO)<<"osgART::OpenNIVideo::update() get new image.."<<std::endl;
XnStatus nRetVal = XN_STATUS_OK;
nRetVal=context.WaitAndUpdateAll();
CHECK_RC(nRetVal, "Update Data");
xnFPSMarkFrame(&xnFPS);
depth_generator.GetMetaData(depthMD);
const XnDepthPixel* pDepthMap = depthMD.Data();
//depth pixel floating point depth map.
image_generator.GetMetaData(imageMD);
const XnUInt8* pImageMap = imageMD.Data();
// Hybrid mode isn't supported in this sample
if (imageMD.FullXRes() != depthMD.FullXRes() || imageMD.FullYRes() != depthMD.FullYRes())
{
std::cerr<<"The device depth and image resolution must be equal!"<<std::endl;
exit(1);
}
// RGB is the only image format supported.
if (imageMD.PixelFormat() != XN_PIXEL_FORMAT_RGB24)
{
std::cerr<<"The device image format must be RGB24"<<std::endl;
exit(1);
}
const XnDepthPixel* pDepth=pDepthMap;
const XnUInt8* pImage=pImageMap;
XnDepthPixel zMax = depthMD.ZRes();
//convert float buffer to unsigned short
for ( unsigned int i=0; i<(depthMD.XRes() * depthMD.YRes()); ++i )
{
*(_depthBufferByte + i) = 255 * (float(*(pDepth + i)) / float(zMax));
}
memcpy(_videoStreamList[0]->data(),pImage, _videoStreamList[0]->getImageSizeInBytes());
memcpy(_videoStreamList[1]->data(),_depthBufferByte, _videoStreamList[1]->getImageSizeInBytes());
//3. don't forget to call this to notify the rest of the application
//that you have a new video image
_videoStreamList[0]->dirty();
_videoStreamList[1]->dirty();
}
//4. hopefully report some interesting data
if (nv) {
const osg::FrameStamp *framestamp = nv->getFrameStamp();
if (framestamp && _stats.valid())
{
_stats->setAttribute(framestamp->getFrameNumber(),
"Capture time taken", t.time_m());
}
}
// Increase modified count every X ms to ensure tracker updates
if (updateTimer.time_m() > 50) {
_videoStreamList[0]->dirty();
_videoStreamList[1]->dirty();
updateTimer.setStartTick();
}
return true;
}