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I am trying to optimize my code, since now it works very clunky. For now i use this:

        while (true)
{
    double minval, maxval, thresh = 0.8;
    Point minloc, maxloc;
    matchTemplate(gref, gtpl, res, CV_TM_CCOEFF_NORMED);
    threshold(res, res, 0.85, 1., CV_THRESH_TOZERO);
    minMaxLoc(res, &minval, &maxval, &minloc, &maxloc);
    if (maxval <= thresh)
    {
        resize(gtpl, gtpl, Size(gtpl.cols-1, gtpl.rows-1));
    }
    else
    {
        break;
    }

}
while (true)
{
    double minval, maxval, thresh = 0.8;
    Point minloc, maxloc;
    minMaxLoc(res, &minval, &maxval, &minloc, &maxloc);
    if (maxval >= thresh)
    {
        floodFill(res, maxloc, Scalar(0), 0, Scalar(.1), Scalar(1.));
        if(maxloc.x < 600 && maxloc.y > 800)
        {
            x = maxloc.x + gtpl.rows;
            y = maxloc.y;
        }
        else if( maxloc.x < 600 && maxloc.y < 600)
        {
            x = maxloc.x + gtpl.cols ;
            y = maxloc.y + gtpl.cols;
        }
        else
        {
            x = maxloc.x ;
            y = maxloc.y + gtpl.rows;
        }
        circle(ref, Point(x, y), 5, CV_RGB(0, 0, 255));
    }
    else
    {
        break;
    }
}

For now i define areas of searching in pixels, but if image will be diffrenet, resolution may be too and everything will mess up. Maybe someone can advice me in using % or something similar?
C:\fakepath\table.png

I am trying to optimize my code, since now it works very clunky. For now i use this:

        while (true)
{
    double minval, maxval, thresh = 0.8;
    Point minloc, maxloc;
    matchTemplate(gref, gtpl, res, CV_TM_CCOEFF_NORMED);
    threshold(res, res, 0.85, 1., CV_THRESH_TOZERO);
    minMaxLoc(res, &minval, &maxval, &minloc, &maxloc);
    if (maxval <= thresh)
    {
        resize(gtpl, gtpl, Size(gtpl.cols-1, gtpl.rows-1));
    }
    else
    {
        break;
    }

}
while (true)
{
    double minval, maxval, thresh = 0.8;
    Point minloc, maxloc;
    minMaxLoc(res, &minval, &maxval, &minloc, &maxloc);
    if (maxval >= thresh)
    {
        floodFill(res, maxloc, Scalar(0), 0, Scalar(.1), Scalar(1.));
        if(maxloc.x < 600 && maxloc.y > 800)
        {
            x = maxloc.x + gtpl.rows;
            y = maxloc.y;
        }
        else if( maxloc.x < 600 && maxloc.y < 600)
        {
            x = maxloc.x + gtpl.cols ;
            y = maxloc.y + gtpl.cols;
        }
        else
        {
            x = maxloc.x ;
            y = maxloc.y + gtpl.rows;
        }
        circle(ref, Point(x, y), 5, CV_RGB(0, 0, 255));
    }
    else
    {
        break;
    }
}

For now i define areas of searching in pixels, but if image will be diffrenet, resolution may be too and everything will mess up. Maybe someone can advice me in using % or something similar?
C:\fakepath\table.png