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.List;
033
034import org.openimaj.image.MBFImage;
035import org.openimaj.image.colour.RGBColour;
036import org.openimaj.image.processing.face.detection.DetectedFace;
037import org.openimaj.image.processing.face.detection.HaarCascadeDetector;
038import org.openimaj.video.Video;
039
040/**
041 * Slide showing face tracking
042 * 
043 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
044 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
045 *
046 */
047public class FaceTrackingTutorial extends TutorialPanel {
048        private static final long serialVersionUID = -5279460790389377219L;
049        
050        private HaarCascadeDetector detector;
051        
052        /**
053         * Default constructor
054         * 
055         * @param capture
056         * @param width
057         * @param height
058         */
059        public FaceTrackingTutorial(Video<MBFImage> capture, int width, int height){
060                super("Face Finding", capture, width, height);
061                
062                this.detector = new HaarCascadeDetector(20);
063        }
064
065        @Override
066        public void doTutorial(MBFImage toDraw) {
067                List<DetectedFace> faces = this.detector.detectFaces(toDraw.flatten());
068                
069                for (DetectedFace detectedFace : faces) {
070                        toDraw.drawShape(detectedFace.getBounds(), RGBColour.RED);
071                }
072        }       
073}