65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
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#include "opencv2/opencv.hpp"
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using namespace cv;
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using namespace std;
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int main(int, char**)
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{
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int seuil=80;
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char detect;
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VideoCapture cap(0);
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if(!cap.isOpened())
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return -1;
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namedWindow("Image",1);
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namedWindow("Detection",1);
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namedWindow("Contours",1);
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for(;;) {
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int X,Y,DIM,index,indexNB;
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unsigned int numc;
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uchar R,G,B;
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vector<vector<Point> > contours;
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vector<Vec4i> hierarchy;
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Mat frame;
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cap >> frame;
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X=frame.rows;
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Y=frame.cols;
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Mat Binaire(X,Y,CV_8UC1);
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imshow("Image", frame);
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GaussianBlur(frame, frame, Size(7,7), 1.5, 1.5);
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X=frame.rows;
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Y=frame.cols;
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DIM=frame.channels();
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for (index=0,indexNB=0;index<DIM*X*Y;index+=DIM,indexNB++)
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{
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detect=0;
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B=frame.data[index ];
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G=frame.data[index + 1];
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R=frame.data[index + 2];
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if ((R>G) && (R>B))
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if (((R-B)>=seuil) || ((R-G)>=seuil))
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detect=1;
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if (detect==1)
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Binaire.data[indexNB]=255;
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else
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Binaire.data[indexNB]=0;
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}
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imshow("Detection", Binaire);
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findContours(Binaire, contours, hierarchy, CV_RETR_EXTERNAL, CV_CHAIN_APPROX_NONE);
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Mat Dessin = Mat::zeros(X,Y, CV_8UC1);
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unsigned int max = 0;
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int id = 0;
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for(numc = 0; numc<contours.size(); numc++) {
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if (contours[numc].size() > max) {
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max = contours[numc].size();
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id = numc;
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}
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}
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drawContours(Dessin, contours, id, 255);
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imshow("Contours", Dessin);
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if(waitKey(30) == 27) {
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break;
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}
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}
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return 0;
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}
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