int main()
{
	VideoCapture cap(0);

	Mat A, B;

	int x;

	for (x = 0; x < 5; x++)
	{
		cap >> A;

		cvtColor(A, B, CV_BGR2GRAY);
		GaussianBlur(B, B, Size(9, 9), 2, 2);

		vector<Vec3f> circles;

		HoughCircles(B, circles, CV_HOUGH_GRADIENT, 1, B.rows / 8, 80, 80, 0, 0);

		size_t i;

		for (i = 0; i < circles.size(); i++)
		{
			Point center(cvRound(circles[i][0]), cvRound(circles[i][1]));
			int radius = cvRound(circles[i][2]);
			// circle center
			circle(A, center, 3, Scalar(0, 255, 0), -1, 8, 0);
			// circle outline
			circle(A, center, radius, Scalar(0, 0, 255), 3, 8, 0);
		}

		cout << "The amount of dots detected is: " << i << "." << endl;

		waitKey(100);
	}

	namedWindow("Haha");
	imshow("Haha", A);

	waitKey(10);

	getchar();
	//VideoCapture cap = VideoCapture(dev_id + CV_CAP_V4L2);

	return 0;
}