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 #安裝opencv3 #如果要安裝opencv4將opencv3改成如下命令 conda install -c https://conda.anaconda.org/menpo opencv #安裝最新版opencv4 #也可通過conda search -c https://conda.anaconda.org/menpo opencv*來搜索所有opencv版本