opencv close window
OpenCV does not have this feature, and only handles key presses by default. If you want to do this, you must use the handle of the window ...,I couldn't quite replicate your error (I ended up crashing python with your code), but I did come up with a fix. while ok_flag: (ok_flag, img) = cap.read() ... , You could use: cv2.destroyAllWindows() cv2.destroyWindow(winname)., For testing purposes, the application below does exactly what you stated in the question: it loads 7 images through the command line, one by ..., I was just looking for a way to detect when the window has been closed using the X button of the window in addition to waiting for a key press, ...,This question is a bit old but worth answering, since it comes up in searches. I experienced the same problem and eventually found an answer that worked. ,The piece you may be missing is a call to the cvStartWindowThread function. On Linux, using the GTK HighGUI, this example reproduced your problem, until I ... ,Creates a trackbar and attaches it to the specified window. .... You can call destroyWindow() or destroyAllWindows() to close the window and de-allocate any ... ,Creates a trackbar and attaches it to the specified window. .... You can call destroyWindow() or destroyAllWindows() to close the window and de-allocate any ... , 窗口namedWindow(), destroyWindow(), destroyAllWindows()［OpenCV 笔记6］ ... The function cv::destroyWindow() will close the window and ...
| 相關軟體 Qt Creator (64-bit) 資訊 | |
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 opencv close window 相關參考資料
Closing video window using close "X" button in OpenCV, Python ...
OpenCV does not have this feature, and only handles key presses by default. If you want to do this, you must use the handle of the window ... https://stackoverflow.com How can I close a cv2 window? - Stack Overflow
I couldn't quite replicate your error (I ended up crashing python with your code), but I did come up with a fix. while ok_flag: (ok_flag, img) = cap.read() ... https://stackoverflow.com How to close an opencv imshow() window on Raspberry pi? - Stack ...
You could use: cv2.destroyAllWindows() cv2.destroyWindow(winname). https://stackoverflow.com OpenCV - closing the image display window - Stack Overflow
For testing purposes, the application below does exactly what you stated in the question: it loads 7 images through the command line, one by ... https://stackoverflow.com OpenCV Python: How to detect if a window is closed? - Stack Overflow
I was just looking for a way to detect when the window has been closed using the X button of the window in addition to waiting for a key press, ... https://stackoverflow.com opencv window not closing after calling destroyAllWindows ...
This question is a bit old but worth answering, since it comes up in searches. I experienced the same problem and eventually found an answer that worked. https://stackoverflow.com Trying to close OpenCV window has no effect - Stack Overflow
The piece you may be missing is a call to the cvStartWindowThread function. On Linux, using the GTK HighGUI, this example reproduced your problem, until I ... https://stackoverflow.com User Interface — OpenCV 2.4.13.7 documentation
Creates a trackbar and attaches it to the specified window. .... You can call destroyWindow() or destroyAllWindows() to close the window and de-allocate any ... https://docs.opencv.org User Interface — OpenCV 3.0.0-dev documentation
Creates a trackbar and attaches it to the specified window. .... You can call destroyWindow() or destroyAllWindows() to close the window and de-allocate any ... https://docs.opencv.org 窗口namedWindow(), destroyWindow(), destroyAllWindows() - 博客园
窗口namedWindow(), destroyWindow(), destroyAllWindows()［OpenCV 笔记6］ ... The function cv::destroyWindow() will close the window and ... https://www.cnblogs.com |