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.sandbox;
031
032import java.io.File;
033import java.io.IOException;
034import java.util.List;
035
036import org.openimaj.feature.local.filter.ByteEntropyFilter;
037import org.openimaj.feature.local.list.LocalFeatureList;
038import org.openimaj.feature.local.matcher.FastEuclideanKeypointMatcher;
039import org.openimaj.feature.local.matcher.MatchingUtilities;
040import org.openimaj.image.DisplayUtilities;
041import org.openimaj.image.FImage;
042import org.openimaj.image.ImageUtilities;
043import org.openimaj.image.feature.local.engine.DoGSIFTEngine;
044import org.openimaj.image.feature.local.keypoints.Keypoint;
045import org.openimaj.image.processing.resize.ResizeProcessor;
046import org.openimaj.util.filter.FilterUtils;
047
048public class SIFTEntropy {
049        public static void main(String[] args) throws IOException {
050                final FImage image1 = ImageUtilities.readF(new File("/Users/jsh2/Data/ukbench/full/ukbench00000.jpg"));
051                final FImage image2 = ImageUtilities.readF(new File("/Users/jsh2/Data/ukbench/full/ukbench00001.jpg"));
052
053                final DoGSIFTEngine engine = new DoGSIFTEngine();
054
055                final LocalFeatureList<Keypoint> keys1 = engine.findFeatures(ResizeProcessor.resizeMax(image1, 150));
056                final LocalFeatureList<Keypoint> keys2 = engine.findFeatures(ResizeProcessor.resizeMax(image2, 150));
057
058                final List<Keypoint> keys1f = FilterUtils.filter(keys1, new ByteEntropyFilter());
059                final List<Keypoint> keys2f = FilterUtils.filter(keys2, new ByteEntropyFilter());
060
061                System.out.println(keys1.size() + " " + keys1f.size());
062                System.out.println(keys2.size() + " " + keys2f.size());
063
064                final FastEuclideanKeypointMatcher<Keypoint> matcher = new FastEuclideanKeypointMatcher<Keypoint>(8000);
065                matcher.setModelFeatures(keys1);
066                matcher.findMatches(keys2);
067                System.out.println(matcher.getMatches().size());
068                DisplayUtilities.display(MatchingUtilities.drawMatches(image1, image2, matcher.getMatches(), 1F));
069
070                matcher.setModelFeatures(keys1f);
071                matcher.findMatches(keys2f);
072                System.out.println(matcher.getMatches().size());
073                DisplayUtilities.display(MatchingUtilities.drawMatches(image1, image2, matcher.getMatches(), 1F));
074        }
075}