Convert cv::Mat to std::vector in OpenCV

ConvertMatToVector.cpp

// https://stackoverflow.com/questions/26681713/convert-mat-to-array-vector-in-opencv

std::vector<uchar> array;
if (mat.isContinuous()) {
  array.assign((uchar*)mat.datastart, (uchar*)mat.dataend);
} else {
  for (int i = 0; i < mat.rows; ++i) {
    array.insert(array.end(), mat.ptr<uchar>(i), mat.ptr<uchar>(i)+mat.cols);
  }
}