void detectieVideoFace(){
	VideoCapture cap(0); // open the default camera
	if (!cap.isOpened())  // check if we succeeded
		return;

	String face_cascade_name = "haarcascade_frontalface_alt.xml";

	// Load the cascades
	if (!face_cascade.load(face_cascade_name))
	{
		printf("Error loading face cascades !\n");
		return;
	}

	Mat  frame_gray;
	namedWindow("camera", 1);
	for (;;)
	{
		std::vector<Rect> faces;
		Mat frame;
		cap >> frame; // get a new frame from camera
		cvtColor(frame, frame_gray, CV_BGR2GRAY);
		//GaussianBlur(edges, edges, Size(7, 7), 1.5, 1.5);
		equalizeHist(frame_gray, frame_gray);
		int minFaceSize = 30;
		int minEyeSize = minFaceSize / 5;
		face_cascade.detectMultiScale(frame_gray, faces, 1.1, 2, 0 | CV_HAAR_SCALE_IMAGE,
			Size(minFaceSize, minFaceSize));


		for (int i = 0; i < faces.size(); i++)
		{
			// get the center of the face
			Point center(faces[i].x + faces[i].width*0.5, faces[i].y + faces[i].height*0.5);
			// draw circle around the face
			//ellipse(frame, center, Size(faces[i].width*0.5, faces[i].height*0.5), 0, 0,
				//360, Scalar(255, 0, 255), 4, 8, 0);
			Point stanga_sus(faces[i].x, faces[i].y);
			Point dreapta_jos(faces[i].x + faces[i].height, faces[i].y + faces[i].width);

			rectangle(frame, stanga_sus, dreapta_jos, Scalar(255, 0, 255), 1, 8, 0);


		}
		imshow("camera", frame);
		if (waitKey(30) >= 0) break;
	}

}