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Editorial Team
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Asked: 2026-05-30T16:26:05+00:00

I have created a new project (without code) that uses OpenCV. I the project

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I have created a new project (without code) that uses OpenCV.
I the project properties I set the requirements like below:

library directory:

  • C:\OpenCV-2.2.0\lib\Debug

include directories:

  • C:\OpenCV-2.2.0\include\opencv
  • C:\OpenCV-2.2.0\include\opencv2
  • C:\OpenCV-2.2.0\include

The first lines of code :

#pragma comment(lib, "opencv_core230d.lib")
#pragma comment(lib, "opencv_highgui230d.lib")
#pragma comment(lib, "opencv_video230d.lib")
#pragma comment(lib, "opencv_ml230d.lib")
#pragma comment(lib, "opencv_legacy230d.lib")
#pragma comment(lib, "opencv_imgproc230d.lib")

When I built my project I got no error but when I include the <cv.h> file, unresolved external errors appear.

To solve my problem any guide may help me.

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1 Answer

  1. Editorial Team

    You haven added the src directory files. Look at this page: http://opencv.willowgarage.com/wiki/VisualC%2B%2B_VS2010

    You need to add these folders:
    Source Directories… add: ‘C:\OpenCV2.1\src\cv; C:\OpenCV2.1\src\cvaux; C:\OpenCV2.1\src\cxcore; C:\OpenCV2.1\src\highgui; C:\OpenCV2.1\src\ml;’

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