tiff转jpg图

void normalizeTiff(const Mat& OrignalImg, Mat& OrignalImg_16Bit, Mat& OrignalImg_8Bit, int iPos)
{
 Mat orignalImgcopy = OrignalImg.clone();
// orignalImgcopy = min(g_CameraParam[iPos].iGrayMax, OrignalImg);
 Mat realSrc, normimg;
 orignalImgcopy.convertTo(realSrc, CV_32FC1);
 Rect headRect(0, 0, OrignalImg.cols, 20);
 cv::medianBlur(realSrc(headRect), realSrc(headRect), 5);
 normalize(realSrc, normimg, 1, 0, NORM_MINMAX);
 OrignalImg_8Bit = normimg * 255;
 OrignalImg_8Bit.convertTo(OrignalImg_8Bit, CV_8UC1);
 OrignalImg_16Bit = normimg*(65535);
 OrignalImg_16Bit.convertTo(OrignalImg_16Bit, CV_16UC1);
}