Using FlannBasedMatcher. Exception.

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Hello. i'm using opencv 2.4.4 on windows 7, vs 2010, c++. I implement features find task in mfc application. Here i have some code:

 void CWorkClass::PrepareGoodMatches(cv::Mat mat1, cv::Mat mat2, vector<cv::DMatch>& out)
    {
        cv::FlannBasedMatcher matcher;
        vector<cv::DMatch> matchVec;//leftCenterMatchVec, centerRightMatchVec;
        matcher.match(mat1, mat2, matchVec);
        double maxDist = 0;
        double minDist = 100000;
        for (unsigned int i = 0;i<matchVec.size();i++){
            double curDist = matchVec.at(i).distance;
            if (curDist < minDist) minDist = curDist;
            if (curDist > maxDist) maxDist = curDist;
        }
        for (unsigned int i = 0;i<matchVec.size();i++){
            if (matchVec.at(i).distance < (3 * minDist))
                out.push_back(matchVec.at(i));
        }
        matchVec.clear();
    }

After exit of this function i have different kinds of exceptions: 1) In OnCmdMSg(...) on return _AfxDispatchCmdMsg(this, nID, nCode, lpEntry->pfn, pExtra, lpEntry->nSig, pHandlerInfo); 2) _CrtIsValidHeapPointer(pUserData) (if i hit continue) 3) exception in ~DescriptorMatcher.

if therese no implemention of cv::FlannBasedMatcher matcher, this function return good. Please give me advice to solve this problem.

.... UPDATE .... My problem solved after i replace all opencv dll's i used in my project from origin package... i waste about 3 days (

...UPADTE 2... Really problem was that i used MFC as static lib, after i change to DLL, problem solved