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OpenCVでcv2.imshowのエラー

Last updated at Posted at 2021-08-04

今まで問題なく使えていたOpenCVの仮想環境で下のエラーが発生

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'

解決方法

一度アンインストールして再度インストール

$ conda uninstall opencv
$ conda install opencv

conda uninstall opencvのコマンドだけだとアンインストールしきれないパッケージもあったので、conda listで確認して個別にアンインストールが必要になるかも。
※古いバージョンのパッケージが残っているとそっちにバージョンが引っ張られたりする。

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