Hello,
with the recent update, in Opencv 3.4.3, the non-free algorithms such as SIFT and SURF are no more available.
>>> import cv2 >>> cv2.__version__ '3.4.3' >>> cv2.xfeatures2d.SIFT_create() Traceback (most recent call last): File "<stdin>", line 1, in <module> 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' >>> cv2.xfeatures2d.SURF_create() Traceback (most recent call last): File "<stdin>", line 1, in <module> cv2.error: OpenCV(3.4.3) /io/opencv_contrib/modules/xfeatures2d/src/surf.cpp:1016: 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'
As the error messages say, the library should be recompiled with -D OPENCV_ENABLE_NONFREE=1.
Would it be possible to reintroduce these algorithms in the pip package?
shahzad-ali, apoorvagnihotri, asfaltboy, JonnoFTW, katwinkl3 and 14 morenov05
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