//亮度对比度调节
int g_nContrastValue = 80;//对比度
int g_nBrightValue = 50;//亮度
for (int y = 0; y < imgOriginal.rows; y++) {
for (int x = 0; x < imgOriginal.cols; x++) {
for (int c = 0; c < 3; c++) {
imgOriginal.at<Vec3b>(y, x)[c] = saturate_cast<uchar>((g_n...