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我在OpenCV 2.4.2上有這個錯誤。錯誤：'calcOpticalFlowPyrLK'不是'cv'的成員 - OpenCV 2.4.2
我使用這行代碼：
cv::calcOpticalFlowPyrLK(prev, next, prev_pts, next_pts, status, error);
而且在編譯的時候就顯示了這個錯誤：
testopticalflow.cpp:75:4: error: ‘calcOpticalFlowPyrLK’ is not a member of ‘cv’
這是結果，如果我用pkg配置
pkg-config opencv --libs
/usr/local/lib/libopencv_calib3d.so /usr/local/lib/libopencv_contrib.so /usr/local/lib/libopencv_core.so /usr/local/lib/libopencv_features2d.so /usr/local/lib/libopencv_flann.so /usr/local/lib/libopencv_gpu.so /usr/local/lib/libopencv_highgui.so /usr/local/lib/libopencv_imgproc.so /usr/local/lib/libopencv_legacy.so /usr/local/lib/libopencv_ml.so /usr/local/lib/libopencv_nonfree.so /usr/local/lib/libopencv_objdetect.so /usr/local/lib/libopencv_photo.so /usr/local/lib/libopencv_stitching.so /usr/local/lib/libopencv_ts.so /usr/local/lib/libopencv_video.so /usr/local/lib/libopencv_videostab.so
對不起，我還是一個新手，當涉及到Linux環境，所以我不知道我錯了什麼地方。