#include#include #include #include #include usingnamespacestd;usingnamespacecv;intmain()
{
Mat srcImage;
Mat thresholdImage;
Mat grayImage;
srcImage = imread("1.png");
cvtColor(srcImage,grayImage,CV_BGR2GRAY);
threshold(grayImage, thresholdImage,0,255, CV_THRESH_OTSU+CV_THRESH_BINARY);
Mat resultImage;
thresholdImage.copyTo(resultImage);vector>contours;
findContours(resultImage,contours,CV_RETR_EXTERNAL, CV_CHAIN_APPROX_NONE);vector>::iterator itc= contours.begin();while(itc!=contours.end())
{if( itc->size()<20)
{
itc= contours.erase(itc);
}else{
++itc;
}
}
drawContours(resultImage, contours, -1, Scalar(255), CV_FILLED);
imshow("原图",srcImage);
imshow("灰度",grayImage);
imshow("二值图",thresholdImage);
imshow("结果图",resultImage);
waitKey(0);return0;
}
