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}