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Linux下OpenCV，呈现谬误：

ASSERT false in file qasciikey.cpp, line 501

可能是OpenCV的版本有问题，须要重新安装一下：

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-python
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-contrib-python

如果呈现提醒：

Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/anaconda3/lib/python3.7/site-packages/opencv_contrib_python-4.1.0.25.dist-info'
Consider using the --user option or check the permissions.

示意须要应用--user：

pip install --user -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-contrib-python

 
 

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