运行cv2.xfeatures2d.SIFT_create()时报错:

错误代码:

cv2.error: OpenCV(3.4.3) C:projectsopencv-pythonopencv_contribmodulesxfeatures2dsrcsift.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'

解决方法:

卸载

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-python3.4.2.16

pip install opencv-contrib-python3.4.2.16

引自:原文:https://blog.csdn.net/weixin_43167047/article/details/82841750

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