[java] 자바의 웹캠에서 이미지 캡처?

이런 종류의 JavaCV를 사용하는 gt_ebuddy의 답변에서 벗어나지 만 내 비디오 출력은 그의 답변보다 훨씬 더 높은 품질입니다. 또한 다른 임의의 개선 사항을 추가했습니다 (예 : ESC및 CTRL+C을 누를 때 프로그램 을 종료하고 프로그램이 올바르게 사용하는 리소스를 종료하는지 확인).

import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;

import javax.swing.AbstractAction;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.KeyStroke;

import com.googlecode.javacv.CanvasFrame;
import com.googlecode.javacv.OpenCVFrameGrabber;
import com.googlecode.javacv.cpp.opencv_core.IplImage;

public class HighRes extends JComponent implements Runnable {
    private static final long serialVersionUID = 1L;

    private static CanvasFrame frame = new CanvasFrame("Web Cam");
    private static boolean running = false;
    private static int frameWidth = 800;
    private static int frameHeight = 600;
    private static OpenCVFrameGrabber grabber = new OpenCVFrameGrabber(0);
    private static BufferedImage bufImg;

    public HighRes()
    {
        // setup key bindings
        ActionMap actionMap = frame.getRootPane().getActionMap();
        InputMap inputMap = frame.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);

        for (Keys direction : Keys.values())
        {
            actionMap.put(direction.getText(), new KeyBinding(direction.getText()));
            inputMap.put(direction.getKeyStroke(), direction.getText());
        }

        frame.getRootPane().setActionMap(actionMap);
        frame.getRootPane().setInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW, inputMap);

        // setup window listener for close action
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.addWindowListener(new WindowAdapter()
        {
            public void windowClosing(WindowEvent e)
            {
                stop();
            }
        });
    }

    public static void main(String... args)
    {
        HighRes webcam = new HighRes();
        webcam.start();
    }

    @Override
    public void run()
    {
        try
        {

            grabber.setImageWidth(frameWidth);
            grabber.setImageHeight(frameHeight);
            grabber.start();
            while (running)
            {

                final IplImage cvimg = grabber.grab();
                if (cvimg != null)
                {

                    // cvFlip(cvimg, cvimg, 1); // mirror

                    // show image on window
                    bufImg = cvimg.getBufferedImage();
                    frame.showImage(bufImg);
                }
            }
            grabber.stop();
            grabber.release();
            frame.dispose();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }

    public void start()
    {
        new Thread(this).start();
        running = true;
    }

    public void stop()
    {
        running = false;
    }

    private class KeyBinding extends AbstractAction {

        private static final long serialVersionUID = 1L;

        public KeyBinding(String text)
        {
            super(text);
            putValue(ACTION_COMMAND_KEY, text);
        }

        @Override
        public void actionPerformed(ActionEvent e)
        {
            String action = e.getActionCommand();
            if (action.equals(Keys.ESCAPE.toString()) || action.equals(Keys.CTRLC.toString())) stop();
            else System.out.println("Key Binding: " + action);
        }
    }
}

enum Keys
{
    ESCAPE("Escape", KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0)),
    CTRLC("Control-C", KeyStroke.getKeyStroke(KeyEvent.VK_C, KeyEvent.CTRL_DOWN_MASK)),
    UP("Up", KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0)),
    DOWN("Down", KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0)),
    LEFT("Left", KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, 0)),
    RIGHT("Right", KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0));

    private String text;
    private KeyStroke keyStroke;

    Keys(String text, KeyStroke keyStroke)
    {
        this.text = text;
        this.keyStroke = keyStroke;
    }

    public String getText()
    {
        return text;
    }

    public KeyStroke getKeyStroke()
    {
        return keyStroke;
    }

    @Override
    public String toString()
    {
        return text;
    }
}