vector<Mat> tmp_straight_qrcodes;
    if (straight_qrcode.needed())
    {
        for (size_t i = 0; i < straight_barcode.size(); i++)
        {
            Mat tmp_straight_qrcode;
            tmp_straight_qrcodes.push_back(tmp_straight_qrcode);
            straight_barcode[i].convertTo(((OutputArray)tmp_straight_qrcodes[i]),
                                             ((OutputArray)tmp_straight_qrcodes[i]).fixedType() ?
                                             ((OutputArray)tmp_straight_qrcodes[i]).type() : CV_32FC2);