/*
* This file is part of the LIRE project: http://www.semanticmetadata.net/lire
* LIRE is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* LIRE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LIRE; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* We kindly ask you to refer the any or one of the following publications in
* any publication mentioning or employing Lire:
*
* Lux Mathias, Savvas A. Chatzichristofis. Lire: Lucene Image Retrieval –
* An Extensible Java CBIR Library. In proceedings of the 16th ACM International
* Conference on Multimedia, pp. 1085-1088, Vancouver, Canada, 2008
* URL: http://doi.acm.org/10.1145/1459359.1459577
*
* Lux Mathias. Content Based Image Retrieval with LIRE. In proceedings of the
* 19th ACM International Conference on Multimedia, pp. 735-738, Scottsdale,
* Arizona, USA, 2011
* URL: http://dl.acm.org/citation.cfm?id=2072432
*
* Mathias Lux, Oge Marques. Visual Information Retrieval using Java and LIRE
* Morgan & Claypool, 2013
* URL: http://www.morganclaypool.com/doi/abs/10.2200/S00468ED1V01Y201301ICR025
*
* Copyright statement:
* --------------------
* (c) 2002-2013 by Mathias Lux (mathias@juggle.at)
* http://www.semanticmetadata.net/lire, http://www.lire-project.net
*
* Updated: 16.04.13 18:32
*/
package net.semanticmetadata.lire.benchmarking;
import junit.framework.TestCase;
import net.semanticmetadata.lire.DocumentBuilderFactory;
import net.semanticmetadata.lire.imageanalysis.SurfFeature;
import net.semanticmetadata.lire.imageanalysis.bovw.BOVWBuilder;
import net.semanticmetadata.lire.impl.ChainedDocumentBuilder;
import net.semanticmetadata.lire.impl.SurfDocumentBuilder;
import net.semanticmetadata.lire.utils.FileUtils;
import net.semanticmetadata.lire.utils.LuceneUtils;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.FSDirectory;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
/**
* Created by IntelliJ IDEA.
* User: mlux
* Date: 30.06.2011
* Time: 15:18:41
* To change this template use File | Settings | File Templates.
*/
public class CombinationTest extends TestCase {
String indexPath = "combi-index";
String dataPath = "wang-1000";
private int[] sampleQueries = {284, 77, 108, 416, 144, 534, 898, 104, 67, 10, 607, 165, 343, 973, 591, 659, 812, 231, 261, 224, 227, 914, 427, 810, 979, 716, 253, 708, 751, 269, 531, 699, 835, 370, 642, 504, 297, 970, 929, 20, 669, 434, 201, 9, 575, 631, 730, 7, 546, 816, 431, 235, 289, 111, 862, 184, 857, 624, 323, 393, 465, 905, 581, 626, 212, 459, 722, 322, 584, 540, 194, 704, 410, 267, 349, 371, 909, 403, 724, 573, 539, 812, 831, 600, 667, 672, 454, 873, 452, 48, 322, 424, 952, 277, 565, 388, 149, 966, 524, 36, 528, 75, 337, 655, 836, 698, 230, 259, 897, 652, 590, 757, 673, 937, 676, 650, 297, 434, 358, 789, 484, 975, 318, 12, 506, 38, 979, 732, 957, 904, 852, 635, 620, 28, 59, 732, 84, 788, 562, 913, 173, 508, 32, 16, 882, 847, 320, 185, 268, 230, 259, 931, 653, 968, 838, 906, 596, 140, 880, 847, 297, 77, 983, 536, 494, 530, 870, 922, 467, 186, 254, 727, 439, 241, 12, 947, 561, 160, 740, 705, 619, 571, 745, 774, 845, 507, 156, 936, 473, 830, 88, 66, 204, 737, 770, 445, 358, 707, 95, 349};
public void testIndexing() throws IOException {
ChainedDocumentBuilder cb = new ChainedDocumentBuilder();
cb.addBuilder(new SurfDocumentBuilder());
cb.addBuilder(DocumentBuilderFactory.getColorLayoutBuilder());
System.out.println("-< Getting files to index >--------------");
ArrayList<String> images = FileUtils.getAllImages(new File(dataPath), true);
System.out.println("-< Indexing " + images.size() + " files >--------------");
IndexWriter iw = LuceneUtils.createIndexWriter(indexPath, true);
int count = 0;
long time = System.currentTimeMillis();
for (String identifier : images) {
Document doc = cb.createDocument(new FileInputStream(identifier), identifier);
iw.addDocument(doc);
count++;
if (count % 100 == 0) System.out.println(count + " files indexed.");
// if (count == 200) break;
}
long timeTaken = (System.currentTimeMillis() - time);
float sec = ((float) timeTaken) / 1000f;
System.out.println(sec + " seconds taken, " + (timeTaken / count) + " ms per image.");
iw.commit();
iw.close();
System.out.println("-< Local features are getting clustered >--------------");
BOVWBuilder sh = new BOVWBuilder(IndexReader.open(FSDirectory.open(new File(indexPath))), new SurfFeature(), 200, 8000);
sh.index();
System.out.println("-< Indexing finished >--------------");
}
// public void testSearch() throws IOException {
// int numHitsFiltering = 50;
// IndexReader indexReader = IndexReader.open(FSDirectory.open(new File(indexPath)));
// float eval = 0f;
// for (int i = 0; i < sampleQueries.length; i++) {
// Document query = indexReader.document(sampleQueries[i]);
// eval += getResults(numHitsFiltering, indexReader, query);
// }
// eval = eval / (float) sampleQueries.length;
// System.out.println("precision @ ten = " + eval);
// }
//
// private float getResults(int numHitsFiltering, IndexReader indexReader, Document query) throws IOException {
// SurfVisualWordsImageSearcher searcher = new SurfVisualWordsImageSearcher(numHitsFiltering);
//
// ColorLayout clQuery = new ColorLayout();
// clQuery.setByteArrayRepresentation(query.getBinaryValue(DocumentBuilder.FIELD_NAME_COLORLAYOUT_FAST));
// ImageSearchHits searchHits = searcher.search(query, indexReader);
//
// // ---- ranking:
// ArrayList<SimpleResult> results = new ArrayList<SimpleResult>(numHitsFiltering);
// for (int i = 0; i < searchHits.length(); i++) {
//// results.add(new SimpleResult(searchHits.score(i), searchHits.doc(i)));
// Document d = searchHits.doc(i);
// ColorLayout cl = new ColorLayout();
// cl.setByteArrayRepresentation(d.getBinaryValue(DocumentBuilder.FIELD_NAME_COLORLAYOUT_FAST));
// float distance = clQuery.getDistance(cl);
// SimpleResult s = new SimpleResult(distance, d);
// results.add(s);
// }
// Collections.sort(results);
//
// int count = 0;
// int goodOnes = 0;
// String queryFile = query.getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0].split("\\\\")[5].replace(".jpg", "");
// int queryClass = Integer.parseInt(queryFile) / 100;
//
// for (Iterator<SimpleResult> simpleResultIterator = results.iterator(); simpleResultIterator.hasNext(); ) {
// SimpleResult simpleResult = simpleResultIterator.next();
// String file = simpleResult.getDocument().getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0].split("\\\\")[5].replace(".jpg", "");
// int wangClass = Integer.parseInt(file) / 100;
// if (!(simpleResult.getDistance() <= 0f) && count < 10) {
// if (wangClass == queryClass) goodOnes++;
// count++;
// }
// }
// return (float) goodOnes / 10f;
// }
}