#include "opencv2/core/core.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/core/utility.hpp"
#include "stdio.h"
#include
#include
using namespace cv;
using namespace std;
Mat img=imread("home/zhangjinyu/lunkuo.jpeg");
int main(int argc, const char** argv)
{
Mat labels;
int num_objects=connectedComponents(img,labels);
if(num_objects<2)
{
cout <<"no objects detected"<<endl;
}
else{
cout<<"number of objects detected:"<<endl;
}
Mat output = Mat :: zeros(img.rows,img.cols,CV_8UC3);
RNG rng(0xffffffff);
for(int i=1;i<num_objects;i++)
{
Mat mask =labels==i;
output.setTo(random_color(rng),mask);
}
imshow("result",output);
waitKey(30);
}