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.docs.tutorial.fund.video.faces;
031
032import java.io.IOException;
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.colour.Transforms;
039import org.openimaj.image.processing.face.detection.DetectedFace;
040import org.openimaj.image.processing.face.detection.FaceDetector;
041import org.openimaj.image.processing.face.detection.HaarCascadeDetector;
042import org.openimaj.video.VideoDisplay;
043import org.openimaj.video.VideoDisplayListener;
044import org.openimaj.video.capture.VideoCapture;
045
046/**
047 * OpenIMAJ Hello world!
048 * 
049 */
050public class App {
051        /**
052         * Main method
053         * 
054         * @param args
055         * @throws IOException
056         */
057        public static void main(String[] args) throws IOException {
058                final VideoCapture vc = new VideoCapture(320, 240);
059                final VideoDisplay<MBFImage> vd = VideoDisplay.createVideoDisplay(vc);
060                vd.addVideoListener(
061                                new VideoDisplayListener<MBFImage>() {
062                                        @Override
063                                        public void beforeUpdate(MBFImage frame) {
064                                                final FaceDetector<DetectedFace, FImage> fd = new HaarCascadeDetector(40);
065                                                final List<DetectedFace> faces = fd.detectFaces(Transforms.calculateIntensity(frame));
066
067                                                for (final DetectedFace face : faces) {
068                                                        frame.drawShape(face.getBounds(), RGBColour.RED);
069                                                }
070                                        }
071
072                                        @Override
073                                        public void afterUpdate(VideoDisplay<MBFImage> display) {
074                                        }
075                                });
076        }
077}