void MainWindow::showResult()
{
    MaskedImage = QImage(OutWidth,OutHeight,QImage::Format_ARGB32);
    for(int x = 0; x < OutWidth; x++)
    {
        for(int y = 0; y < OutHeight; y++)
        {
            double greyValue = final[y * OutWidth + x][0];
            MaskedImage.setPixel(x,y,*reinterpret_cast<uint*>(&greyValue));
            //MaskedImage.setPixel(x,y,greyValue);
        }
    }
    ui->label_FFT->setPixmap(QPixmap::fromImage(MaskedImage));
}