kevin12's profile - activity

Hello everyone, can you help me please?

Currently i get two camera with opencv, but i want to display camera in diferent monitor (dual monitor) , i use opencv with qt. i saw http://doc.qt.io/qt-5/qdesktopwidget.... but its possible display in second screen without converting Mat frame from opencv in Qimage of qt?

thanks for your help

Thanks, my problems was just name in namedWindow("edges",3); have to same that imshow("edges", frame); and this cv::namedWindow( "edges", CV_WINDOW_KEEPRATIO | CV_WINDOW_NORMAL | CV_GUI_NORMAL );run

Hello everyone,

currently i have a problem, please help me.

with this code

  VideoCapture cap(0);
        if(!cap.isOpened()) // check if we succeeded
            return -1;

          Mat edges;
         namedWindow("edges",3);
          cv::resizeWindow("edges",820,820);

          for(;;)
          {
            Mat frame;
            cap >> frame;
            imshow("webcam", frame);
            if(waitKey(30) >= 0) break;
           }

but i want to display camera without button and coords for user, how i can to do this?