TestApplet testPApplet = new TestPApplet();
		testPApplet.init();

		JFrame frame = new JFrame(“Test");		
		frame.setSize(640,480); //サイズは適当。上で作ったインスタンスからゲットするのもいいと思います。
		frame.add(testPApplet);
		frame.setVisible(true);

import java.awt.*;  
import java.awt.image.BufferedImage;  
import javax.swing.*;  
import org.opencv.core.Core;
import org.opencv.core.Mat;  
import org.opencv.core.Size;
import org.opencv.highgui.VideoCapture;  
import org.opencv.imgproc.Imgproc;

public class Panel extends JPanel{  
	private static final long serialVersionUID = 1L;  
	private BufferedImage image;  
	// Create a constructor method  
	public Panel(){  
		super();  
	}  
	private BufferedImage getimage(){  
		return image;  
	}  
	private void setimage(BufferedImage newimage){  
		image=newimage;  
		return;  
	}  
	/**  
	 * Converts/writes a Mat into a BufferedImage.  
	 *  
	 * @param matrix Mat of type CV_8UC3 or CV_8UC1  
	 * @return BufferedImage of type TYPE_3BYTE_BGR or TYPE_BYTE_GRAY  
	 */  
	public static BufferedImage matToBufferedImage(Mat matrix) {  
		int cols = matrix.cols();  
		int rows = matrix.rows();  
		int elemSize = (int)matrix.elemSize();  
		byte[] data = new byte[cols * rows * elemSize];  
		int type;  
		matrix.get(0, 0, data);  
		switch (matrix.channels()) {  
		case 1:  
			type = BufferedImage.TYPE_BYTE_GRAY;  
			break;  
		case 3:  
			type = BufferedImage.TYPE_3BYTE_BGR;  
			// bgr to rgb  
			byte b;  
			for(int i=0; ilength; i=i+3) {  
				b = data[i];  
				data[i] = data[i+2];  
				data[i+2] = b;  
			}  
			break;  
		default:  
			return null;  
		}  
		BufferedImage image2 = new BufferedImage(cols, rows, type);  
		image2.getRaster().setDataElements(0, 0, cols, rows, data);  
		return image2;  
	}  
	public void paintComponent(Graphics g){  
		BufferedImage temp=getimage();
		if(temp!=null){
			g.drawImage(temp,10,10,temp.getWidth(),temp.getHeight(), this);  
		}
	} 
	
	public static void main(String arg[]){  
		// Load the native library.  
		System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
		JFrame frame = new JFrame("BasicPanel");  
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
		frame.setSize(400,400);  
		Panel panel = new Panel();  
		frame.setContentPane(panel);       
		frame.setVisible(true);       
		Mat webcam_image=new Mat();  
		BufferedImage temp;  
		VideoCapture capture =new VideoCapture(0);  

		if( capture.isOpened())  
		{  
			while( true )  
			{  

				capture.read(webcam_image);  
				if( !webcam_image.empty() )  
				{  
					Imgproc.resize(webcam_image, webcam_image, new Size(webcam_image.size().width*0.3,webcam_image.size().height*0.3));
					frame.setSize(webcam_image.width()+40,webcam_image.height()+60);  
					temp=matToBufferedImage(webcam_image);  
					panel.setimage(temp);  
					panel.repaint();  
				}  
				else  
				{  
					System.out.println(" --(!) No captured frame -- ");  
				}  
			}  
		}  
		return;  
	}  
}  

%cp -r /Applications/Processing.app/Contents  /Users/ユーザ名/Desktop/

Contents/Resources/Java/core/library

Contents/Resources/Java/modes/java/libraries/

Contents/Resources/Java/modes/java/libraries/video/library

import processing.video.*;
import processing.core.*;

public class VideoCapTest extends PApplet{

	Capture cam;


	public void setup() {
		size(640, 480, P2D);

		String[] cameras = Capture.list();

		if (cameras.length == 0) {
			println("There are no cameras available for capture.");
			exit();
		} else {
			println("Available cameras:");
			for (int i = 0; i < cameras.length; i++) {
				println(cameras[i]);
			}

			// The camera can be initialized directly using an element
			// from the array returned by list():
			cam = new Capture(this, cameras[0]);
			cam.start();     
		}      
	}

	public void draw() {
		if (cam.available() == true) {
			cam.read();
		}
		image(cam, 0, 0);
		// The following does the same, and is faster when just drawing the image
		// without any additional resizing, transformations, or tint.
		//set(0, 0, cam);
	}


}

BufferedImage buf = new BufferedImage(320,240, 1);
buf.getGraphics().drawImage(cam.getImage(),0,0,null);