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Compile Error ( MEX could not find the library )

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jafar
jafar 2013-12-14
评论： Walter Roberson 2013-12-16
hi i'm using matlab 2013a x64 and win7 x64 . install the opencv path (C:\opencv)
Compile Error :
>> mex -LC:\opencv\build\x64\vc11\lib -IC:\opencv\build\include\opencv -lcv -lcxcore me_HaarDetectOpenCV.cpp
Warning: MEX could not find the library "cv" specified with -l option.
MEX looked for a file with one of the names:
cv.lib
libcv.lib
MEX looked for the library in the following directories:
D:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\LIB\amd64
D:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\ATLMFC\LIB\amd64
C:\Program Files (x86)\Windows Kits\8.0\lib\win8\um\x64
D:\Program Files\MATLAB\R2013a\extern\lib\win64
D:\Program Files\MATLAB\R2013a\extern\lib\win64\microsoft
C:\opencv\build\x64\vc11\lib
Warning: MEX could not find the library "cxcore" specified with -l option.
MEX looked for a file with one of the names:
cxcore.lib
libcxcore.lib
MEX looked for the library in the following directories:
D:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\LIB\amd64
D:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\ATLMFC\LIB\amd64
C:\Program Files (x86)\Windows Kits\8.0\lib\win8\um\x64
D:\Program Files\MATLAB\R2013a\extern\lib\win64
D:\Program Files\MATLAB\R2013a\extern\lib\win64\microsoft
C:\opencv\build\x64\vc11\lib
Creating library C:\Users\AsUs\AppData\Local\Temp\mex_47j5SQ\templib.x and object C:\Users\AsUs\AppData\Local\Temp\mex_47j5SQ\templib.exp
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvCreateImage referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvReleaseImage referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvCreateMemStorage referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvReleaseMemStorage referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvGetSeqElem referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvLoad referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvEqualizeHist referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvReleaseHaarClassifierCascade referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvHaarDetectObjects referenced in function mexFunction
me_HaarDetectOpenCV.mexw64 : fatal error LNK1120: 9 unresolved externals
D:\PROGRA~2\MATLAB\R2013A\BIN\MEX.PL: Error: Link of 'me_HaarDetectOpenCV.mexw64' failed.
Error using mex (line 206)
Unable to complete successfully.
>>
how fix error and compile (created me_HaarDetectOpenCV.mexw64)??
  2 个评论
Walter Roberson
Walter Roberson 2013-12-14
Could you confirm that libcv.lib or cv.lib are in C:\opencv\build\x64\vc11\lib ?
jafar
jafar 2013-12-14
编辑：jafar 2013-12-14
@Walter Roberson
not found libcv.lib or cv.lib in C:\opencv\build\x64\vc11\lib .

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采纳的回答

jafar
jafar 2013-12-16
i'm using code to the created the MEX file (me_HaarDetectOpenCV.mexw64)
mex -largeArrayDims -I'C:\opencv\build\include' -L'C:\opencv\build\x64\vc11\lib\realese' -lopencv_core247 -lopencv_imgproc247 -lopencv_objdetect247 me_HaarDetectOpenCV.cpp
  1 个评论
Walter Roberson
Walter Roberson 2013-12-16
To check: you solved the problem? If so, would was the key change you needed to make?

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更多回答（1 个）

Walter Roberson
Walter Roberson 2013-12-15
You do not have the cv library that it needs to link against, or else you have the library in a different directory.
Perhaps you downloaded opencv but did not tell it to compile itself.
  1 个评论
jafar
jafar 2013-12-15
编辑：jafar 2013-12-15
@ Walter Roberson i'm edit me_HaarDetectOpenCV.cpp :
#include "D:\Program Files\MATLAB\R2013a\extern\include\mex.h"
#include "C:\opencv\build\include\opencv\cv.h"
#include "C:\opencv\build\include\opencv\highgui.h"
#include "C:\opencv\build\include\opencv\cxcore.h"
but compile error :
>> mex me_HaarDetectOpenCV.cpp
Creating library C:\Users\AsUs\AppData\Local\Temp\mex_Z52RZ_\templib.x and object C:\Users\AsUs\AppData\Local\Temp\mex_Z52RZ_\templib.exp
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvReleaseMemStorage referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvReleaseHaarClassifierCascade referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvReleaseImage referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvGetSeqElem referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvHaarDetectObjects referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvEqualizeHist referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvCreateMemStorage referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvCreateImage referenced in function mexFunction
me_HaarDetectOpenCV.obj : error LNK2019: unresolved external symbol cvLoad referenced in function mexFunction
me_HaarDetectOpenCV.mexw64 : fatal error LNK1120: 9 unresolved externals
D:\PROGRA~2\MATLAB\R2013A\BIN\MEX.PL: Error: Link of 'me_HaarDetectOpenCV.mexw64' failed.
Error using mex (line 206)
Unable to complete successfully.
created the MEX file :
me_HaarDetectOpenCV.mexw64.manifest
me_HaarDetectOpenCV.mexw64.map

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