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.acmmm11.presentation.slides.tutorial;
31
32 import java.util.ArrayList;
33 import java.util.List;
34
35 import org.openimaj.image.FImage;
36 import org.openimaj.image.MBFImage;
37 import org.openimaj.image.colour.RGBColour;
38 import org.openimaj.image.processing.face.detection.FaceDetector;
39 import org.openimaj.image.processing.face.detection.HaarCascadeDetector;
40 import org.openimaj.image.processing.face.detection.keypoints.FKEFaceDetector;
41 import org.openimaj.image.processing.face.detection.keypoints.FacialKeypoint;
42 import org.openimaj.image.processing.face.detection.keypoints.KEDetectedFace;
43 import org.openimaj.math.geometry.point.Point2d;
44 import org.openimaj.math.geometry.point.Point2dImpl;
45 import org.openimaj.math.geometry.shape.Rectangle;
46 import org.openimaj.video.Video;
47
48 /**
49 * Slide showing face tracking
50 *
51 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
52 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
53 *
54 */
55 public class FaceKETrackingTutorial extends TutorialPanel {
56 private static final long serialVersionUID = -5279460790389377219L;
57
58 private FaceDetector<KEDetectedFace,FImage> detector;
59
60 /**
61 * Default constructor
62 *
63 * @param capture
64 * @param width
65 * @param height
66 */
67 public FaceKETrackingTutorial(Video<MBFImage> capture, int width, int height){
68 super("Face Finding", capture, width, height);
69
70 this.detector = new FKEFaceDetector( new HaarCascadeDetector(height/3));
71 }
72
73 @Override
74 public void doTutorial(MBFImage toDraw) {
75 List<KEDetectedFace> faces = this.detector.detectFaces(toDraw.flatten());
76
77 for (KEDetectedFace detectedFace : faces) {
78 Rectangle b = detectedFace.getBounds();
79 Point2dImpl bp = new Point2dImpl(b.x,b.y);
80 toDraw.drawShape(b, RGBColour.RED);
81 FacialKeypoint[] kpts = detectedFace.getKeypoints();
82 List<Point2d> fpts = new ArrayList<Point2d>();
83 for(FacialKeypoint kpt : kpts){
84 Point2dImpl p = kpt.position;
85 p.translate(bp);
86 fpts.add(p);
87 }
88 toDraw.drawPoints(fpts, RGBColour.GREEN, 3);
89 }
90 }
91 }