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.tools.faces.recognition.options;
031
032import org.kohsuke.args4j.CmdLineOptionsProvider;
033import org.kohsuke.args4j.Option;
034import org.openimaj.image.FImage;
035import org.openimaj.image.Image;
036import org.openimaj.image.processing.face.detection.DetectedFace;
037import org.openimaj.image.processing.face.detection.FaceDetector;
038import org.openimaj.image.processing.face.detection.HaarCascadeDetector;
039import org.openimaj.image.processing.face.detection.IdentityFaceDetector;
040
041/**
042 * Face detector configuration for the tools
043 * 
044 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
045 * 
046 */
047public class FaceDetectors {
048        /**
049         * Interface for providers of {@link FaceDetector}s
050         * 
051         * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
052         * 
053         * @param <FACE>
054         *            type of {@link DetectedFace}
055         * @param <IMAGE>
056         *            type of {@link Image} that the detector works on
057         */
058        public interface FaceDetectorProvider<FACE extends DetectedFace, IMAGE extends Image<?, IMAGE>> {
059                /**
060                 * @return the detector
061                 */
062                public FaceDetector<FACE, IMAGE> getDetector();
063        }
064
065        /**
066         * Any type of basic {@link FImage} detector. Doesn't include the enhanced
067         * detectors that wrap other detectors.
068         * 
069         * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
070         * 
071         */
072        public enum AnyBasicFImageDetector implements CmdLineOptionsProvider {
073                /**
074                 * @see IdentityFaceDetector
075                 */
076                Identity {
077                        @Override
078                        public FaceDetectorProvider<DetectedFace, FImage> getOptions() {
079                                return new IdentityProvider<FImage>();
080                        }
081                },
082                /**
083                 * @see HaarCascadeDetector
084                 */
085                Haar {
086                        @Override
087                        public FaceDetectorProvider<DetectedFace, FImage> getOptions() {
088                                return new HaarCascadeProvider();
089                        }
090                },
091                ;
092
093                @Override
094                public abstract FaceDetectorProvider<DetectedFace, FImage> getOptions();
095        }
096
097        private static class IdentityProvider<IMAGE extends Image<?, IMAGE>>
098                        implements
099                                FaceDetectorProvider<DetectedFace, IMAGE>
100        {
101                @Override
102                public FaceDetector<DetectedFace, IMAGE> getDetector() {
103                        return new IdentityFaceDetector<IMAGE>();
104                }
105        }
106
107        private static class HaarCascadeProvider implements FaceDetectorProvider<DetectedFace, FImage> {
108                @Option(name = "--cascade", usage = "Haar Cascade", required = false)
109                HaarCascadeDetector.BuiltInCascade cascade = HaarCascadeDetector.BuiltInCascade.frontalface_alt2;
110
111                @Option(name = "--min-size", usage = "Minimum detection size", required = false)
112                int minSize = 80;
113
114                @Override
115                public FaceDetector<DetectedFace, FImage> getDetector() {
116                        final HaarCascadeDetector fd = cascade.load();
117                        fd.setMinSize(minSize);
118
119                        return fd;
120                }
121        }
122}