Issue#3340: Intel Galileo OpenCv Project using Eclipse IDE

  • Hello,

    I am a newbie at Intel Galileo and opencv but this is my senior project so I have to learn. Now I have just done all the things written here IoT - Getting Started with the Intel® Galileo Board on Windows* | Intel® Developer Zone then installed Eclipse IDE and connected it to Intel Galileo. I tried blink codes and it worked. Now I want to process images with OpenCv. First of all I wrote these basic codes to capture a video from the webcam and I was expecting a window to show up and that I can see the view of my webcam on my computer. But it says Gtk-WARNING **: cannot open display:

    So what can I do to solve this problem?

     

    By the way, at the end of this project it will be a tennis ball tracking robot so any ideas/methods will be appreciated.

     

    #include <opencv/cv.h>

    #include <opencv/highgui.h>

    #include <X11/keysym.h>

     

     

    int main(int argc, char **argv)

    {

      /* Start the CV system and get the first v4l camera */

      cvInitSystem(argc, argv);

      CvCapture *cam = cvCreateCameraCapture(0);

     

     

      /* Create a window to use for displaying the images */

      cvNamedWindow("img", 0);

      cvMoveWindow("img", 200, 200);

     

     

      /* Display images until the user presses q */

      while (1) {

      cvGrabFrame(cam);

      IplImage *img = cvRetrieveFrame(cam);

      cvShowImage("img", img);

      if (cvWaitKey(10) == XK_q)

      return 0;

      cvReleaseImage(&img);

      }

    }

    0 Answers

    Sorry, your answer is too short !

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