System Error When Run OpenCv Code "The program can't start because opencv_core244.dll is missing"

Question

when i run my code this error occurred :

and my code is :

#include "cv.h"
#include "highgui.h"

using namespace cv;

int main(int, char**)
{
    VideoCapture cap(0);
    if(!cap.isOpened()) return -1;

    Mat frame, edges;
    namedWindow("edges",1);
    for(;;)
    {
        cap >> frame;
        cvtColor(frame, edges, CV_BGR2GRAY);
        GaussianBlur(edges, edges, Size(7,7), 1.5, 1.5);
        Canny(edges, edges, 0, 30, 3);
        imshow("edges", edges);
        if(waitKey(30) >= 0) break;
    }
    return 0;
}

i check opencv bin and dll's but this dll exist

Have you added the directory that contains the DLLs to the PATH? — Niko
– Niko, Commented Mar 28, 2013 at 12:54
If you're in a hurry, copy opencvcore_244.dll where your code is. If you have time, find how to add a system path to a folder and place all dlls in there for every opencv project. — LovaBill
– LovaBill, Commented Mar 28, 2013 at 13:39
i add directories in configuration properties and copy dll beside exe file but still error occurred . i test opencv in python it work but in c++ i have problem — ali kiani
– ali kiani, Commented Mar 28, 2013 at 14:47

stevedes · Accepted Answer · 2013-03-29 17:31:41Z

1

Copy the relevant opencvcore_244.dll from your openCV installation to %systemroot%\system32 (or %systemroot%\sysWOW64 if the DLL or your program is 64 bit).

answered Mar 29, 2013 at 17:31

stevedes

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