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void SMCalibrationWorker::performCalibration(std::vector<SMCalibrationSet> calibrationData){
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void SMCalibrationWorker::performCalibration(std::vector<SMCalibrationSet> calibrationData){
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    QSettings settings;
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    QSettings settings;
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    // Number of saddle points on calibration pattern
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    // Number of saddle points on calibration pattern
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    int checkerCountX = settings.value("calibration/checkerCountX", 12).toInt();
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    int checkerCountX = settings.value("calibration/patternSizeX", 12).toInt();
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    int checkerCountY = settings.value("calibration/checkerCountY", 11).toInt();
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    int checkerCountY = settings.value("calibration/patternSizeY", 11).toInt();
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    cv::Size checkerCount(checkerCountX, checkerCountY);
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    cv::Size checkerCount(checkerCountX, checkerCountY);
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    int nSets = calibrationData.size();
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    int nSets = calibrationData.size();
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    // 2D Points collected for OpenCV's calibration procedures
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    // 2D Points collected for OpenCV's calibration procedures
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        emit done();
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        emit done();
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        return;
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        return;
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    }
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    }
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    // Generate world object coordinates [mm]
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    // Generate world object coordinates [mm]
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    float checkerSize = settings.value("calibration/checkerSize", 10.0).toFloat(); // width and height of one field in mm
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    float checkerSize = settings.value("calibration/squareSize", 10.0).toFloat(); // width and height of one checker square in mm
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    std::vector<cv::Point3f> Qi;
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    std::vector<cv::Point3f> Qi;
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    for (int h=0; h<checkerCount.height; h++)
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    for (int h=0; h<checkerCount.height; h++)
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        for (int w=0; w<checkerCount.width; w++)
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        for (int w=0; w<checkerCount.width; w++)
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            Qi.push_back(cv::Point3f(checkerSize * w, checkerSize* h, 0.0));
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            Qi.push_back(cv::Point3f(checkerSize * w, checkerSize* h, 0.0));
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