opencv 亮度对比度、通道选择、平滑度调节代码片
//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...