I'm using OpenCV 3.1 and have compiled together opencv_contrib downloaded from GitHub on 2016-3-24.
I have these codes that detect moving vehicles in video and am trying to build it with VS2012 on Windows 7.
One line of the codes is `cvUpdateMotionHistory`:
cvUpdateMotionHistory( silh, mhi, timestamp, MHI_DURATION );
The only errors I got are these:
1>ocv-test-vc11.obj : error LNK2001: unresolved external symbol cvUpdateMotionHistory
1>E:\projects\C++\OpenCV\ocv-test-vc11\x64\Release\ocv-test-vc11.exe : fatal error LNK1120: 1 unresolved externals
The other lines work just fine, because when I comment out this single line, the solution can be successfully built and run.
I have linked `opencv_video310.lib` and `opencv_optflow310.lib` in Linker | Input. In fact, I have linked every single .lib file in my opencv's `vc11\lib` directory.
How do I solve this LNK error?
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