Comments (1)
The behavior you described usually happens when you close the window, but your code still calls cv::imshow()
or cvui::imshow()
after that. imshow()
will "revive" any closed window, however cvui will not be able to track it anymore (because the callbacks were destroyed when the window was closed).
You can take a look at this example which checks if a window is still open before using imshow()
. Additionally you can call cvui::watch()
on the window again to make sure cvui is able to track it properly.
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