Anaconda安装cv2

出现没有方法的错误

cv2.error: OpenCV(3.4.3) C:\projects\opencv-python\opencv_contrib\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::xfeatures2d::SIFT::create'

重新安装opencv

安装方法:对于Anaconda用户来说,而不是pip

conda install -c menpo opencv

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