[문제해결] OpenCV(4.8.0) /io/opencv/modules/highgui/src/window.cpp:1272: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Cocoa support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-

 

OpenCV(4.8.0) /io/opencv/modules/highgui/src/window.cpp:1272: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Cocoa support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script in function 'cvShowImage'

 

1. sudo apt install libgtk2.0-dev pkg-config 
2. pip uninstall opencv-python-headless 
3. pip uninstall opencv-python; pip install opencv-python 

 

3개 중의 하나로 해결할 수 있습니다. 마지막으로 했을 때 해결이 되었고, 쥬피터환경을 쓰시는 분들은 껏다가 다시 켜주셔야 적용이 되는 것을 보았습니다.