[Solved] Install OpenCV 2.4.7 using Visual Studio 2010 / 2012 in Windows 7 / 8 (FOR 32 bit machine only)

Installing OpenCV in Windows 7 / 8 32 Bit OS using Visual Studio 2010 / 2012


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Notes-

- This tutorial is only for 32 bit machines. If you have 64 bit OS then follow this link.
- Simplest way of OpenCV Tutorial follow this link. (For 32 bit OS)



Requirements-
1. OpenCV-2.4.7 
2. Cmake 
3. Visual Studio 2010 / 2012
4. Windows 7 / 8

Thanks to Hongbo Miao for this tutorial to install OpenCV 2.4.4 for Visual Studio 2012.

Important Note- After downloading and extracting OpenCV, delete the folder named "x64" inside "build" folder. Then go ahead.

---

Step-1

Extract OpenCV-2.4.7.exe to a folder let "C:/OpenCV". This OpenCV folder should contain many folders like build, include etc.

Install CMake. Open CMake and use settings below. Then click Configure.

Choose Visual Studio 11 otherwise choose Visual Studio 10. Click Finish.

After getting red output, click Configure again. Wait a moment and then click Generate.

Close CMake and go to C:\MyOpenCV, open OpenCV.sln.

Choose Debug. (or By default it will be Debug)

Right click on INSTALL. And choose Build.

After build successful , go back and choose Release. Similarly, right click on INSTALL. And choose Build.

After build finish, close Visual Studio 2012.

Copy C:\MyOpenCV\install folder to C:\OpenCV. (This install folder contains your whole OpenCV, so there is no need of keeping folders other than install folder.)

So now you have a C:\OpenCV\install folder. You can delete C:\MyOpenCV whole folder if you want.

---

Step-2

Open Windows Explorer. Click on Computer and then System properties.

Choose Advanced system settings.

Click Environment Variables...

Add only this to Environment Variables -> System variables -> Path

C:\OpenCV\install\bin

---

Step-3

For Release:

Create a new empty C++ project.

View -> Property Manager or right click on project name inside solution Explorer and choose property.

Double click Release

1. C/C++ -> General -> Additional Include Directories for 2012 or VC++ Directories -> include directories for 2010, add

C:\OpenCV\install\include\opencv

C:\OpenCV\install\include

1. Linker -> General -> Additional Library Directories

C:\OpenCV\install\lib

1. Linker -> Input -> Additional Dependencies

opencv_calib3d247.lib

opencv_contrib247.lib

opencv_core247.lib

opencv_features2d247.lib

opencv_flann247.lib

opencv_gpu247.lib

opencv_highgui247.lib

opencv_imgproc247.lib

opencv_legacy247.lib

opencv_ml247.lib

opencv_nonfree247.lib

opencv_objdetect247.lib

opencv_photo247.lib

opencv_stitching247.lib

opencv_ts247.lib

opencv_video247.lib

opencv_videostab247.lib

For Debug:

View -> Property Manager

Double click Debug

1. C/C++ -> General -> Additional Include Directories

C:\OpenCV\install\include\opencv

C:\OpenCV\install\include

1. Linker -> General -> Additional Library Directories

C:\OpenCV\install\lib

1. Linker -> Input -> Additional Dependencies

opencv_calib3d247d.lib

opencv_contrib247d.lib

opencv_core247d.lib

opencv_features2d247d.lib

opencv_flann247d.lib

opencv_gpu247d.lib

opencv_highgui247d.lib

opencv_imgproc247d.lib

opencv_legacy247d.lib

opencv_ml247d.lib

opencv_nonfree247d.lib

opencv_objdetect247d.lib

opencv_photo247d.lib

opencv_stitching247d.lib

opencv_ts247d.lib

opencv_video247d.lib

opencv_videostab247d.lib

Note the file names has extra "d" which means debug

                             and its over...

Note- Now restart the system and run the below program for testing.

Please share some experience on why to use OPEN CV/ MATLAB /C / C++!!!

Sample code:

//Reading an image

#include "opencv2\core\core.hpp"
#include "opencv2\highgui\highgui.hpp"
#include "cv.h"
#include "highgui.h"

using namespace std;

using namespace cv;

void main()

{

Mat image = imread("00.jpg"); //Give the full path to the image file

namedWindow("mywin");

imshow("mywin", image);

waitKey(0);

}

Sample code:

//Playing Video

#include "cv.h" 

#include "opencv2\core\core.hpp"
#include "opencv2\highgui\highgui.hpp"

#include "highgui.h" 

using namespace cv;

int main() 

{ 

// Open the video file

VideoCapture capture("asmall.avi"); //Give the full path for the video file

// check if video successfully opened

if (!capture.isOpened())

return 1;

// Get the frame rate

bool stop(false);

Mat frame; // current video frame

namedWindow("Extracted Frame");

// Delay between each frame in ms

// corresponds to video frame rate

// for all frames in video

while (!stop) {

// read next frame if any 

if (!capture.read(frame))

break;

imshow("Extracted Frame",frame);

// introduce a delay in mili-second

waitKey(50);

}

// Close the video file.

// Not required since called by destructor

capture.release();

return 0; 

}

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