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' 해결방법

 

 

 

에러 메시지

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'

sift = cv2.xfeatures2d.SIFT_create() cv2.error: OpenCV(4.1.1) 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'

 

 

 

  

해결방법

패키지 설치 버전 확인

C:\CodeLab>pip list | findstr opencv opencv-contrib-python 4.1.1.26 opencv-python         4.1.1.26   C:\CodeLab>

 

 

 

 

opencv 하위 버전으로 변경하기

opencv 3.4.2.16 이상에서 SIRF 와 SURF 는 더 이상 지원하지 않습니다.

It seems that SIRF and SURF are no longer available in opencv > 3.4.2.16.

 

4.1.1.26 -> 3.4.2.16 으로 변경해야 합니다.

 

https://codedragon.tistory.com/9563

opencv 하위 버전으로 변경하기