001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.demos.acmmm11.presentation.slides.tutorial;
031
032import java.util.ArrayList;
033import java.util.List;
034
035import org.openimaj.image.FImage;
036import org.openimaj.image.MBFImage;
037import org.openimaj.image.colour.RGBColour;
038import org.openimaj.image.processing.face.detection.FaceDetector;
039import org.openimaj.image.processing.face.detection.HaarCascadeDetector;
040import org.openimaj.image.processing.face.detection.keypoints.FKEFaceDetector;
041import org.openimaj.image.processing.face.detection.keypoints.FacialKeypoint;
042import org.openimaj.image.processing.face.detection.keypoints.KEDetectedFace;
043import org.openimaj.math.geometry.point.Point2d;
044import org.openimaj.math.geometry.point.Point2dImpl;
045import org.openimaj.math.geometry.shape.Rectangle;
046import org.openimaj.video.Video;
047
048/**
049 * Slide showing face tracking
050 * 
051 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
052 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
053 *
054 */
055public class FaceKETrackingTutorial extends TutorialPanel {
056private static final long serialVersionUID = -5279460790389377219L;
057        
058        private FaceDetector<KEDetectedFace,FImage> detector;
059        
060        /**
061         * Default constructor
062         * 
063         * @param capture
064         * @param width
065         * @param height
066         */
067        public FaceKETrackingTutorial(Video<MBFImage> capture, int width, int height){
068                super("Face Finding", capture, width, height);
069                
070                this.detector = new FKEFaceDetector( new HaarCascadeDetector(height/3));
071        }
072
073        @Override
074        public void doTutorial(MBFImage toDraw) {
075                List<KEDetectedFace> faces = this.detector.detectFaces(toDraw.flatten());
076                
077                for (KEDetectedFace detectedFace : faces) {
078                        Rectangle b = detectedFace.getBounds();
079                        Point2dImpl bp = new Point2dImpl(b.x,b.y);
080                        toDraw.drawShape(b, RGBColour.RED);
081                        FacialKeypoint[] kpts = detectedFace.getKeypoints();
082                        List<Point2d> fpts = new ArrayList<Point2d>();
083                        for(FacialKeypoint kpt : kpts){
084                                Point2dImpl p = kpt.position;
085                                p.translate(bp);
086                                fpts.add(p);
087                        }
088                        toDraw.drawPoints(fpts, RGBColour.GREEN, 3);
089                }
090        }
091}