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1   /**
2    * Copyright (c) 2011, The University of Southampton and the individual contributors.
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without modification,
6    * are permitted provided that the following conditions are met:
7    *
8    *   * 	Redistributions of source code must retain the above copyright notice,
9    * 	this list of conditions and the following disclaimer.
10   *
11   *   *	Redistributions in binary form must reproduce the above copyright notice,
12   * 	this list of conditions and the following disclaimer in the documentation
13   * 	and/or other materials provided with the distribution.
14   *
15   *   *	Neither the name of the University of Southampton nor the names of its
16   * 	contributors may be used to endorse or promote products derived from this
17   * 	software without specific prior written permission.
18   *
19   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package org.openimaj.demos;
31  
32  import java.io.IOException;
33  
34  import org.openimaj.hardware.kinect.KinectException;
35  import org.openimaj.image.DisplayUtilities;
36  import org.openimaj.image.FImage;
37  import org.openimaj.image.MBFImage;
38  import org.openimaj.image.analysis.algorithm.HoughCircles;
39  import org.openimaj.image.analysis.algorithm.HoughCircles.WeightedCircle;
40  import org.openimaj.image.processing.edges.CannyEdgeDetector;
41  import org.openimaj.image.processing.resize.ResizeProcessor;
42  import org.openimaj.video.VideoDisplay;
43  import org.openimaj.video.VideoDisplayListener;
44  import org.openimaj.video.capture.VideoCapture;
45  
46  public class JugglingKinect {
47  	public static void main(String[] args) throws KinectException, IOException {
48  //		KinectController c = new KinectController();
49  //		VideoDisplay<MBFImage> vid = (VideoDisplay<MBFImage>) VideoDisplay.createVideoDisplay(c.videoStream);
50  		VideoDisplay<MBFImage> vid = VideoDisplay.createVideoDisplay(new VideoCapture(320,240));
51  		vid.addVideoListener(new VideoDisplayListener<MBFImage>() {
52  			int frames = 0;
53  			private HoughCircles circles;
54  			@Override
55  			public void beforeUpdate(MBFImage frame) {
56  				if(frame==null)return;
57  				FImage gframe = frame.flatten();
58  				frames ++;
59  //				FImage hband = trans.getBand(1).normalise();
60  //				frame = frame.process(new Disk(20));
61  				CannyEdgeDetector d = new CannyEdgeDetector();
62  				ResizeProcessor resize = new ResizeProcessor(0.3f);
63  				FImage resized = gframe.process(resize);
64  //				FImage canny = resized.process(new FSobelMagnitude()).threshold(0.8f);
65  				FImage canny = resized.process(d);
66  				if(this.circles == null)
67  					this.circles = new HoughCircles(canny.width/15,canny.width/4,5,360);
68  				canny.analyseWith(circles);
69  //				if(frames % 2 == 0){
70  //					f = f.process(circles);
71  //					f.drawPoints(circles.accum, 1.f, 10);
72  //					f.drawShape(new Circle(10,10,10), 1f);
73  //				}
74  				MBFImage colResized = new MBFImage(resized.clone(),resized.clone(),resized.clone());
75  				for (WeightedCircle circ : circles.getBest(5)) {
76  					System.out.println(circ.weight);
77  					colResized.drawShape(circ, new Float[]{circ.weight,0f,0f});
78  				}
79  
80  				DisplayUtilities.displayName(canny,"circles");
81  				DisplayUtilities.displayName(colResized,"wang");
82  			}
83  
84  			@Override
85  			public void afterUpdate(VideoDisplay<MBFImage> display) {
86  				// TODO Auto-generated method stub
87  
88  			}
89  		});
90  	}
91  }