Question

i am new in OpenCV and i am trying to setup OpenCV in eclipse in Windows 7.

I have fallowed this tutorial and also i have set my path environment to openCv/bin directory but i still get an errors and cannot compile my project.

Here is my code and log ;

#include "opencv/cv.h"
#include "opencv/cxcore.h"
#include "opencv/ml.h"
#include "opencv/highgui.h"

using namespace std;

int main() {

    //new typename ImageIO::ImageIO;

    IplImage* img = cvLoadImage("Resources/imageDatabase/0000.jpg");
    cvNamedWindow( "1.Original Image", 1 ) ;
    cvShowImage( "1.Original Image", img ); 

ERRORS;

D:\Cagri\Job Information\Project\C++\ImageProcessingTool\Debug/../src/ImageProcessingTool.cpp:34: undefined reference to `cvLoadImage'
D:\Cagri\Job Information\Project\C++\ImageProcessingTool\Debug/../src/ImageProcessingTool.cpp:35: undefined reference to `cvNamedWindow'
D:\Cagri\Job Information\Project\C++\ImageProcessingTool\Debug/../src/ImageProcessingTool.cpp:36: undefined reference to `cvShowImage'

Please help me to solve this.

Answer 1

That’s a linker error, you should set the -l and -L options for the compiler. That’s section 8.b in your tutorial.