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SIFT no longer available in opencv > 3.4.2 #13
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Related opencv/opencv-python#126 |
Our current solution is to pin opencv to versions smaller than 3.4.3, because those supported SIFT. Let's see how this develops upstream. We may have to drop support for SIFT or get it from another library in the future. |
I also faced this issues.
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When try to install that version I get:
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opencv 3.4.2.17 is available but there is error in the 4.2.0 |
From travis:
cv2.error: OpenCV(3.4.3) /io/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 'create'
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