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Can't get waitKey() to work
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3
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111
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December 16, 2025
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OpenCV imshow Error: QSocketNotifier: Can only be used with threads started with QThread (No Qt Usage)
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1
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533
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May 23, 2025
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Does OpenCV 4.11.0 have QT support?
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3
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227
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March 5, 2025
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I want to overlap an image over the bottom of the window
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0
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70
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February 20, 2025
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OpenCV update breaks waitKey behaviour
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1
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127
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February 17, 2025
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1 trackBar for 2 windows or 1 window with 2 videos
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1
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127
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December 25, 2024
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Suggestions for motion detection method
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7
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505
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December 21, 2024
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createTrackbar warns that value pointer is deprecated. But is there any other way to set trackbar's initial position?
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8
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4063
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November 16, 2024
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Gtk-WARNING **: 23:30:56.598: cannot open display:
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4
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133
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November 9, 2024
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Is MouseCallback running in another thread?
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3
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133
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September 24, 2024
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Android sdk with highgui java api support
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4
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180
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September 12, 2024
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Python OpenCV IMSHOW error when running even when provided all parameters
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2
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720
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August 9, 2024
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QObject::killTimer: Timers cannot be stopped from another thread (when using waitKey function)
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2
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1219
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June 26, 2024
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Cv::imshow opens a window with a strange UI interface
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2
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334
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May 30, 2024
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Can't use moveWindow in Ubuntu 22.04
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5
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423
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April 23, 2024
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Which GUI is used by my opencv program?
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1
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350
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April 4, 2024
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Libgtkglext incorrect include path prevents succesful build
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2
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1187
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March 26, 2024
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GDK BadAccess error when opening window for first time inside docker
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8
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2182
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March 16, 2024
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Capture image on custom key combination
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0
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173
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February 23, 2024
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aruco.drawAxis() gone?
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12
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7745
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February 5, 2024
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Could not load the QT platform "xcb" even though it was found
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3
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4710
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December 11, 2023
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Questions about using namedWindow() and imshow() in Java
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4
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569
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December 5, 2023
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Deactivate ROI dragging in imshow
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4
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2713
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November 30, 2023
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GTK failed to load module
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0
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310
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November 29, 2023
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Cap.release() cv2.destroyAllWindows() crash on Mac
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0
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494
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November 22, 2023
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openCV (openGL support) display usage
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3
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922
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November 16, 2023
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Defect in imshow() with Qt which truncates displayed XY coordinates
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11
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1012
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October 24, 2023
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Window.cpp:1255: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Cocoa support
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4
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2410
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August 22, 2023
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trackBar not shown
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2
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389
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August 16, 2023
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Main window without frame and title
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2
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2530
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July 22, 2023
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