pip install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-contrib-python pip install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-python
conda activate vm #激活 conda install -c https://conda.anaconda.org/menpo opencv3 #安装opencv3 #如果要安装opencv4将opencv3改成如下命令 conda install -c https://conda.anaconda.org/menpo opencv #安装最新版opencv4 #也可通过conda search -c https://conda.anaconda.org/menpo opencv*来搜索所有opencv版本