Thursday, May 16, 2013

Install OpenCV 2.4.5 on Visual C++ .NET 2010


Improtant: If you are building a x86 application (even though windows platform of the programming machine is x64), you must use "For x86" sections of the article. You can find or change the application platform  from Build -> Configuration Manager -> Active Solution Platform after you create the project.

  • Download the latest OpenCV version from  http://opencv.org/downloads.html 
  • Extract it. ( C:\opencv )
  • Start -> Right click My Computer -> Properties -> Advanced System Settings -> Environment Variables 
  • Select Path in System Variables. Add the following line.

For x86
;C:\opencv\build\x86\vc10\bin
;C:\opencv\build\common\tbb\ia32\vc10 (Only if the folder exists)

For x64
;C:\opencv\build\x64\vc10\bin
;C:\opencv\build\common\tbb\intel64\vc10 (Only if the folder exists)

  • Save it.
  • Restart Windows

  • Start new c++ console project in Visual Studio 2010
  • Project -> Properties
  • Select C++ -> General tab
  • Add the following lines to Additional Include Directories
C:\opencv\build\include\
C:\opencv\build\include\opencv

  • Select Linker -> General
  • Add the following lines to Additional Library Directories
For x86
C:\opencv\build\x86\vc10\lib

For x64
C:\opencv\build\x64\vc10\lib

  • Select Linker -> Input
  • Add the following to Additional Dependencies in Debug Configurations.
(245 is for opencv version 2.4.5. Change it appropreately for opencv version)

opencv_core245d.lib
opencv_imgproc245d.lib
opencv_highgui245d.lib
opencv_ml245d.lib
opencv_video245d.lib
opencv_features2d245d.lib
opencv_calib3d245d.lib
opencv_objdetect245d.lib
opencv_contrib245d.lib
opencv_legacy245d.lib
opencv_nonfree245d.lib
opencv_flann245d.lib 

  • Add the following to Additional Dependencies in Release Configuration, if you want to build a release version. (Not required)
opencv_core245d.lib
opencv_imgproc245.lib
opencv_highgui245.lib
opencv_ml245.lib
opencv_video245.lib
opencv_features2d245.lib
opencv_calib3d245.lib
opencv_objdetect245.lib
opencv_contrib245.lib
opencv_legacy245.lib
opencv_nonfree245.lib
opencv_flann245.lib

  •  Opencv is ready to use. Try the following example

#include "stdafx.h"
#include "opencv2\core\core.hpp"
#include "opencv2\imgproc\imgproc.hpp"
#include "opencv2\highgui\highgui.hpp"

using namespace cv;

int _tmain(int argc, _TCHAR* argv[])
{
 VideoCapture cap(0);
 do{
  Mat img;
  cap >> img;
  imshow("Disp",img);
 }while(waitKey(30)<0);
 return 0;
}




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