C++ Opencv load CSV file as cv::Mat

load_csv.cpp

CvMLData mlData;
mlData.read_csv("cameraFrame1.csv");
const CvMat* tmp = mlData.get_values();
cv::Mat img(tmp, true);
tmp->CvMat::~CvMat();

std::cout << "img: " << img << std::endl;

cv::namedWindow("img");
cv::imshow("img", img);
cv::waitKey(0);

read_csv_2.cpp

CvMLData mlData;
mlData.read_csv("cameraFrame1.csv");
const CvMat* tmp = mlData.get_values();
cv::Mat img(tmp, true);

// set the image type
img.convertTo(img, CV_8UC3);

// set the image size
cv::resize(img, img, cv::Size(320, 256));

tmp->CvMat::~CvMat();

std::cout << "img: " << img << std::endl;

cv::namedWindow("img");
cv::imshow("img", img);
cv::waitKey(0);

write_csv.cpp

# https://stackoverflow.com/questions/22020548/c-opencv-load-csv-file-as-cvmat
cv::imwrite("cameraFrame1.jpg", frame);
outFile.open("cameraFrame1.csv");
outFile << cv::format(frame, "CSV") << std::endl;
outFile.close();