win10下配置python opencv contrib的方法

下载安装包：

http://www.lfd.uci.edu/~gohlke/pythonlibs/#opencv

安装

pip install e:\opencv_python-4.1.0+contrib-cp36-cp36m-win_amd64.whl

注意 不用安装普通包

 

如果遇到  modules\xfeatures2d\src\sift.cpp:1207: error: (-213:The function/feature is not implemented) This algorithm is patented and is excluded in this configuration; Set OPENCV_ENABLE_NONFREE CMake option and rebuild the library in function 'cv::xfeatu 错误

可以

卸载之前的opencv-python和opencv-contrib-python 版本。
pip uninstall opencv-python
pip uninstall opencv-contrib-python

重新安装

pip install opencv-python==3.4.2.16

pip install opencv-contrib-python==3.4.2.16