public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub		
		
		BackgroundSubtractorMOG2 fgbg = Video.createBackgroundSubtractorMOG2();
		
		Mat fgmask = new Mat();
		//fgbg.apply(image, fgmask);
		
		 VideoCapture capture = new VideoCapture("images/target2.mp4");
	        if (!capture.isOpened()) {
	            System.err.println("--(!)Error opening video capture");
	            System.exit(0);
	        }

	        Mat frame = new Mat();
	        while (capture.read(frame)) {
	            if (frame.empty()) {
	                System.err.println("--(!) No captured frame -- Break!");
	                break;
	            }

	            //-- 3. Apply the classifier to the frame
	            fgbg.apply(frame, fgmask);
	            
	            HighGui.imshow("原图", frame);
	            
	            HighGui.imshow("检测目标", fgmask);
	            

	            if (HighGui.waitKey(10) == 27) {
	                break;// escape
	            }
	        }

	        System.exit(0);
	}