DetectareFataOchi.cpp

#include<stdio.h>
#include<math.h>
#include "/usr/local/include/opencv2/objdetect.hpp" 
#include "/usr/local/include/opencv2/highgui.hpp" 
#include "/usr/local/include/opencv2/imgproc.hpp" 
#include<vector>

// detectare fata si ochi
//desenare cerc in jurul fetei si cercuri in jurul ochilor


using namespace cv;
using namespace std;

int main()
{
	CascadeClassifier face_cascade, eye_cascade;
	if(!face_cascade.load("/opt/opencv/data/haarcascades/haarcascade_frontalface_alt2.xml")) {
		printf("Error loading cascade file for face");
		return 1;
	}
	if(!eye_cascade.load("/opt/opencv/data/haarcascades/haarcascade_eye.xml")) {
		printf("Error loading cascade file for eye");
		return 1;
	}
	VideoCapture capture(0); //0=camera laptop
	if(!capture.isOpened())
	{
		printf("error to initialize camera");
		return 1;
	}
	Mat cap_img,gray_img;
	vector<Rect> faces, eyes;
	while(1)
	{
		capture >> cap_img;
		//waitKey(10);
		if( cap_img.empty() ) 
                break;
		cvtColor(cap_img, gray_img, CV_BGR2GRAY);
		cv::equalizeHist(gray_img,gray_img);
		face_cascade.detectMultiScale(gray_img, faces, 1.1, 10, CV_HAAR_SCALE_IMAGE | CV_HAAR_DO_CANNY_PRUNING, cvSize(0,0), cvSize(300,300));
		for(int i=0; i < faces.size();i++)
		{
			//Point pt1(faces[i].x+faces[i].width, faces[i].y+faces[i].height); //penrtru desenare patrat in jurul fetei
			//Point pt2(faces[i].x,faces[i].y);
			Mat faceROI = gray_img(faces[i]);
			eye_cascade.detectMultiScale(faceROI, eyes, 1.1, 2, 0 | CV_HAAR_SCALE_IMAGE, Size(30,30));
			for(size_t j=0; j< eyes.size(); j++)
			{
				//Point center(faces[i].x+eyes[j].x+eyes[j].width*0.5, faces[i].y+eyes[j].y+eyes[j].height*0.5);
				Point center( faces[i].x + eyes[j].x + eyes[j].width*0.5, faces[i].y + eyes[j].y + eyes[j].height*0.5 );
				int radius = cvRound((eyes[j].width+eyes[j].height)*0.25);
				circle(cap_img, center, radius, Scalar(255,0,0), 2, 8, 0);
			}
			//rectangle(cap_img, pt1, pt2, cvScalar(0,255,0), 2, 8, 0);
			cv::Point center( faces[i].x + faces[i].width*0.5,
                  faces[i].y + faces[i].height*0.5);

        ellipse(cap_img, center,
             cv::Size( faces[i].width*0.5, faces[i].height*0.5 ),
             0, 0, 360, cv::Scalar( 0, 0, 255 ), 4, 8, 0);
		}
		imshow("Detectare Fata si Ochi", cap_img);
		waitKey(10);
		char c = (char)waitKey(10);
		if( c == 27 || c == 'q' || c == 'Q' )  
                break; 
	}
	return 0;
}