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.finder;
031
032import java.util.ArrayList;
033import java.util.HashMap;
034import java.util.List;
035import org.openimaj.image.FImage;
036import org.openimaj.image.analysis.pyramid.gaussian.GaussianOctave;
037import org.openimaj.image.analysis.pyramid.gaussian.GaussianPyramid;
038import org.openimaj.image.feature.local.detector.ipd.collector.InterestPointFeatureCollector;
039import org.openimaj.image.feature.local.interest.IPDSelectionMode;
040import org.openimaj.image.feature.local.interest.InterestPointData;
041import org.openimaj.image.feature.local.interest.InterestPointDetector;
042
043/**
044 * Finder with a specified detector which finds interest points at a given gaussian octave. This is often
045 * used in conjunction with a {@link GaussianPyramid} which provides {@link GaussianOctave} instances. 
046 * 
047 * This finder calls a specified {@link InterestPointFeatureCollector} which does something with the features
048 * located at a given octave.
049 * 
050 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
051 * @param <T> The type of {@link InterestPointData}
052 *
053 */
054public class LoggingOctaveInterestPointFinder<T extends InterestPointData> extends OctaveInterestPointFinder<T>{
055
056        private HashMap<String, Integer> scalePoints;
057        private ArrayList<String> scales;
058
059        /**
060         * instantiate scalepoints the superclass and scalepoints to log
061         * @param detector
062         * @param selectionMode
063         */
064        public LoggingOctaveInterestPointFinder(InterestPointDetector<T> detector,IPDSelectionMode selectionMode) {
065                super(detector, selectionMode);
066                scalePoints = new HashMap<String,Integer>();
067                scales = new ArrayList<String>();
068        }
069        
070        @Override
071        protected void processOctaveLevelPoints(FImage fImage, List<T> points, float currentScale, float octaveSize) {
072                super.processOctaveLevelPoints(fImage, points, currentScale, octaveSize);
073                String key = String.format("%f-%f", currentScale*octaveSize,octaveSize);
074                this.scalePoints.put(key ,points.size());
075                this.scales.add(key);
076        }
077        
078        private void printScalePoints(){
079                for(String scale : scales){
080                        Integer entry = this.scalePoints.get(scale);
081                        System.out.format("%s,%d\n",scale,entry);
082                }
083        }
084        
085        @Override
086        public void finish(){
087                printScalePoints();
088        }
089}