示例#1
0
/**Static version (all in one)
 */
Board BoardDetector::detect(const cv::Mat &Image, const BoardConfiguration &bc, const CameraParameters &cp, float markerSizeMeters) {
    BoardDetector BD;
    BD.setParams(bc, cp, markerSizeMeters);
    BD.detect(Image);
    return BD.getDetectedBoard();
}
int main(int argc,char **argv)
{
    try
    {
        if (  readArguments (argc,argv)==false) return 0;
//parse arguments
        TheBoardConfig.readFromFile(TheBoardConfigFile);
        //read from camera or from  file
        if (TheInputVideo=="live") {
            TheVideoCapturer.open(0);
            waitTime=10;
        }
        else TheVideoCapturer.open(TheInputVideo);
        //check video is open
        if (!TheVideoCapturer.isOpened()) {
            cerr<<"Could not open video"<<endl;
            return -1;

        }

        //read first image to get the dimensions
        TheVideoCapturer>>TheInputImage;

        //Open outputvideo
        if ( TheOutVideoFilePath!="")
            VWriter.open(TheOutVideoFilePath,CV_FOURCC('M','J','P','G'),15,TheInputImage.size());

        //read camera parameters if passed
        if (TheIntrinsicFile!="") {
            TheCameraParameters.readFromXMLFile(TheIntrinsicFile);
            TheCameraParameters.resize(TheInputImage.size());
        }

        //Create gui

        cv::namedWindow("thres",1);
        cv::namedWindow("in",1);
	TheBoardDetector.setParams(TheBoardConfig,TheCameraParameters,TheMarkerSize);
	TheBoardDetector.getMarkerDetector().getThresholdParams( ThresParam1,ThresParam2);
	TheBoardDetector.getMarkerDetector().enableErosion(true);//for chessboards
        iThresParam1=ThresParam1;
        iThresParam2=ThresParam2;
        cv::createTrackbar("ThresParam1", "in",&iThresParam1, 13, cvTackBarEvents);
        cv::createTrackbar("ThresParam2", "in",&iThresParam2, 13, cvTackBarEvents);
        char key=0;
        int index=0;
        //capture until press ESC or until the end of the video
        while ( key!=27 && TheVideoCapturer.grab())
        {
            TheVideoCapturer.retrieve( TheInputImage);
            TheInputImage.copyTo(TheInputImageCopy);
            index++; //number of images captured
            double tick = (double)getTickCount();//for checking the speed
            //Detection of the board
            float probDetect=TheBoardDetector.detect(TheInputImage);
            //chekc the speed by calculating the mean speed of all iterations
            AvrgTime.first+=((double)getTickCount()-tick)/getTickFrequency();
            AvrgTime.second++;
            cout<<"Time detection="<<1000*AvrgTime.first/AvrgTime.second<<" milliseconds"<<endl;
            //print marker borders
            for (unsigned int i=0;i<TheBoardDetector.getDetectedMarkers().size();i++)
                TheBoardDetector.getDetectedMarkers()[i].draw(TheInputImageCopy,Scalar(0,0,255),1);

            //print board
             if (TheCameraParameters.isValid()) {
                if ( probDetect>0.2)   {
                    CvDrawingUtils::draw3dAxis( TheInputImageCopy,TheBoardDetector.getDetectedBoard(),TheCameraParameters);
                    //draw3dBoardCube( TheInputImageCopy,TheBoardDetected,TheIntriscCameraMatrix,TheDistorsionCameraParams);
                }
            }
            //DONE! Easy, right?

            //show input with augmented information and  the thresholded image
            cv::imshow("in",TheInputImageCopy);
            cv::imshow("thres",TheBoardDetector.getMarkerDetector().getThresholdedImage());
            //write to video if required
            if (  TheOutVideoFilePath!="") {
                //create a beautiful compiosed image showing the thresholded
                //first create a small version of the thresholded image
                cv::Mat smallThres;
                cv::resize( TheBoardDetector.getMarkerDetector().getThresholdedImage(),smallThres,cvSize(TheInputImageCopy.cols/3,TheInputImageCopy.rows/3));
                cv::Mat small3C;
                cv::cvtColor(smallThres,small3C,CV_GRAY2BGR);
                cv::Mat roi=TheInputImageCopy(cv::Rect(0,0,TheInputImageCopy.cols/3,TheInputImageCopy.rows/3));
                small3C.copyTo(roi);
                VWriter<<TheInputImageCopy;
// 			 cv::imshow("TheInputImageCopy",TheInputImageCopy);

            }

            key=cv::waitKey(waitTime);//wait for key to be pressed
            processKey(key);
        }


    } catch (std::exception &ex)

    {
        cout<<"Exception :"<<ex.what()<<endl;
    }

}