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static void renderMSERs(const cv::Mat& gray, cv::Mat& img, const vector<vectorcv::Point >& msers)
{
for( int i = 0; i < (int)msers.size(); i++ )
{
uchar b =255;
uchar g =255;
uchar r =255;
cv::Vec3b color(b, g, r);

    const cv::Point* pt = &msers[i][0];
    size_t j, n = msers[i].size();
    for( j = 0; j < n; j++ )
        img.at<cv::Vec3b>(pt[j]) = color;
}

}

void calculateMSERRegions(cv::Mat input)
{
const int kDelta = 5;
cv::Ptrcv::MSER mserExtractor=cv::MSER::create(kDelta);
vector<vectorcv::Point> msers;
vectorcv::Rect boxs;
cv::cvtColor(input,input,CV_BGR2GRAY);

mserExtractor->detectRegions(input,msers,boxs);

cv::imshow("source",input);
cv::Mat image=cv::Mat::zeros(input.size(),CV_8UC3);
renderMSERs(input,image,msers);
imshow("result",image);

}