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.image.feature.local.affine;
031
032import org.openimaj.image.FImage;
033import org.openimaj.image.feature.local.engine.DoGSIFTEngine;
034import org.openimaj.image.feature.local.engine.DoGSIFTEngineOptions;
035import org.openimaj.image.feature.local.engine.Engine;
036import org.openimaj.image.feature.local.keypoints.Keypoint;
037
038/**
039 * Standard implementation of Affine-simulated SIFT (ASIFT) for {@link FImage}s.
040 * 
041 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
042 * 
043 */
044public class BasicASIFT extends ASIFT<FImage, Float> {
045
046        /**
047         * Construct the ASIFT extractor using the default parameters for the
048         * {@link DoGSIFTEngine}, with the exception of the option to double the
049         * size of the initial image which can be overridden.
050         * 
051         * @see DoGSIFTEngineOptions#setDoubleInitialImage(boolean)
052         * 
053         * @param hires
054         *            if true, then the input image is doubled in size before the
055         *            SIFT features are extracted.
056         */
057        public BasicASIFT(boolean hires) {
058                super(hires);
059        }
060
061        /**
062         * Construct with the given options for the internal {@link DoGSIFTEngine}.
063         * 
064         * @param opts
065         */
066        public BasicASIFT(DoGSIFTEngineOptions<FImage> opts) {
067                super(opts);
068        }
069
070        @Override
071        public Engine<Keypoint, FImage> constructEngine(DoGSIFTEngineOptions<FImage> opts) {
072                return new DoGSIFTEngine(opts);
073        }
074}