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| #include <iostream>
#include <opencv/cv.h>
#include <opencv/highgui.h>
#include <opencv/cxcore.h>
using namespace std;
using namespace cv;
int main()
{
int x,y;
//int h=0,v=0,s=0;
int sommeX = 0, sommeY = 0;
int nbPixels=0;
CvPoint objectPos = cvPoint(-1, -1);
IplImage* img;
IplImage* t;
IplImage* imghsv;
// lire est affiche l'image
img=cvLoadImage("D:/lego.jpg",1);
cvNamedWindow( "tst", CV_WINDOW_AUTOSIZE );
imshow("tst",img);
waitKey(0);
//cree une image de mm taille que l'image d'origine et conversion en hsv
imghsv=cvCreateImage(cvGetSize(img),8,3);
cvCvtColor(img,imghsv,CV_BGR2HSV);
imshow("tstr",imghsv);
waitKey(0);
//binarisation de l'image et detection du 1er objet
IplImage * imgT = cvCreateImage ( cvGetSize ( img ) , 8 , 1 ) ;
cvInRangeS ( imghsv, cvScalar (93, 45, 65) , cvScalar (140, 250, 250) , imgT ) ; // T S L
imshow("ttr",imgT);
waitKey(0);
//creation d'un mask pour les operation morphologique
IplConvKernel *kernel= cvCreateStructuringElementEx(7, 7, 4, 4, CV_SHAPE_ELLIPSE);
cvErode(imgT , imgT , kernel, 1);
cvErode(imgT , imgT , kernel, 1);
cvDilate(imgT , imgT , kernel, 1);
imshow("ttr",imgT);
waitKey(0);
//calculer du barycentre
for(x = 0; x < imgT->width; x++) {
for(y = 0; y < imgT->height; y++) {
if(((uchar *)(imgT->imageData + y*imgT->widthStep))[x] == 255) {
sommeX += x;
sommeY += y;
(nbPixels)++;
}
}
}
cvPoint((int)(sommeX / (nbPixels)), (int)(sommeY / (nbPixels)));
if (nbPixels > 10)
t=cvDrawCircle(img, objectPos, 15, CV_RGB(255, 0, 0), -1);
imshow("y",t);
waitKey(0);
return 0;
} |
