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while (1)
{
Mat gray, edge;
video >> frame;
std::vector<cv::Vec2f> line;
cvtColor(frame, gray, CV_BGR2GRAY);
cv::Canny(gray, edge, 100, 200);
cv::HoughLines(edge, line, (double)1, (double)(CV_PI / 180), 100);
cout << "here" << endl;
imshow("video", frame);
int key = waitKey(1);
if (key == 27)
{
break;
}
}