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.detector.ipd.collector; 031 032import org.openimaj.feature.OrientedFeatureVector; 033import org.openimaj.image.FImage; 034import org.openimaj.image.feature.local.detector.ipd.extractor.InterestPointGradientFeatureExtractor; 035import org.openimaj.image.feature.local.engine.ipd.InterestPointImageExtractorProperties; 036import org.openimaj.image.feature.local.interest.InterestPointData; 037 038/** 039 * Ignore the local shape of interest points, instead extracting a patch dependent on scale. 040 * 041 * @author Sina Samangooei (ss@ecs.soton.ac.uk) 042 * 043 */ 044public class CircularInterestPointFeatureCollector extends InterestPointFeatureCollector<InterestPointData>{ 045 046 /** 047 * @param extractor 048 */ 049 public CircularInterestPointFeatureCollector(InterestPointGradientFeatureExtractor extractor) { 050 super(extractor); 051 } 052 053 @Override 054 public void foundInterestPoint(FImage image,InterestPointData point){ 055 InterestPointImageExtractorProperties<Float,FImage> property = new InterestPointImageExtractorProperties<Float,FImage>(image,point,false); 056 OrientedFeatureVector[] extracted = extractor.extractFeature(property); 057 058 for(OrientedFeatureVector feature : extracted){ 059 features.add(new CircularInterestPointKeypoint(feature,point.clone())); 060 } 061 062 } 063 064 @Override 065 public void foundInterestPoint(FImage image, InterestPointData point,double octaveSize) { 066 InterestPointImageExtractorProperties<Float,FImage> property = new InterestPointImageExtractorProperties<Float,FImage>(image,point,false); 067 OrientedFeatureVector[] extracted = extractor.extractFeature(property); 068 069 for(OrientedFeatureVector feature : extracted){ 070 point = point.clone(); 071 point.scale *= octaveSize; 072 point.x *= octaveSize; 073 point.y *= octaveSize; 074 features.add(new CircularInterestPointKeypoint(feature,point.clone())); 075 } 076 077 } 078 079}