Java tutorial
/* * 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 */ package net.semanticmetadata.lire.filter; import junit.framework.TestCase; import net.semanticmetadata.lire.imageanalysis.CEDD; import net.semanticmetadata.lire.imageanalysis.ColorLayout; import net.semanticmetadata.lire.impl.ChainedDocumentBuilder; import net.semanticmetadata.lire.utils.FileUtils; import net.semanticmetadata.lire.utils.LuceneUtils; import org.apache.lucene.document.Document; import org.apache.lucene.index.DirectoryReader; import org.apache.lucene.index.IndexReader; import org.apache.lucene.index.IndexWriter; import org.apache.lucene.store.FSDirectory; import javax.imageio.ImageIO; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Iterator; /** * Created 03.08.11, 11:09 <br/> * * @author Mathias Lux, mathias@juggle.at * @author sangupta, sandy.pec@gmail.com (fixed deprecation) */ public class FilterTest extends TestCase { private String indexPath = "test-filters"; private DocumentBuilder getDocumentBuilder() { ChainedDocumentBuilder builder = new ChainedDocumentBuilder(); builder.addBuilder(DocumentBuilderFactory.getCEDDDocumentBuilder()); builder.addBuilder(DocumentBuilderFactory.getAutoColorCorrelogramDocumentBuilder()); builder.addBuilder(DocumentBuilderFactory.getColorLayoutBuilder()); return builder; } public void testRerankFilter() throws IOException { // index images // indexFiles(); // search System.out.println("---< searching >-------------------------"); IndexReader reader = DirectoryReader.open(FSDirectory.open(new File(indexPath))); Document document = reader.document(0); ImageSearcher searcher = ImageSearcherFactory.createCEDDImageSearcher(100); ImageSearchHits hits = searcher.search(document, reader); // rerank System.out.println("---< filtering >-------------------------"); RerankFilter filter = new RerankFilter(ColorLayout.class, DocumentBuilder.FIELD_NAME_COLORLAYOUT); hits = filter.filter(hits, document); // output FileUtils.saveImageResultsToHtml("filtertest", hits, document.getField(DocumentBuilder.FIELD_NAME_IDENTIFIER).stringValue()); } public void testLsaFilter() throws IOException { // index images // indexFiles(); // search System.out.println("---< searching >-------------------------"); IndexReader reader = DirectoryReader.open(FSDirectory.open(new File(indexPath))); Document document = reader.document(0); ImageSearcher searcher = ImageSearcherFactory.createCEDDImageSearcher(100); ImageSearchHits hits = searcher.search(document, reader); // rerank System.out.println("---< filtering >-------------------------"); LsaFilter filter = new LsaFilter(CEDD.class, DocumentBuilder.FIELD_NAME_CEDD); hits = filter.filter(hits, document); // output FileUtils.saveImageResultsToHtml("filtertest", hits, document.getField(DocumentBuilder.FIELD_NAME_IDENTIFIER).stringValue()); } @SuppressWarnings("unused") private Document indexFiles() throws IOException { System.out.println("---< indexing >-------------------------"); int count = 0; DocumentBuilder builder = getDocumentBuilder(); ArrayList<String> allImages = FileUtils.getAllImages(new File("wang-1000"), true); IndexWriter iw = LuceneUtils.createIndexWriter(indexPath, true); Document document = null; for (Iterator<String> iterator = allImages.iterator(); iterator.hasNext();) { String filename = iterator.next(); BufferedImage image = ImageIO.read(new FileInputStream(filename)); document = builder.createDocument(image, filename); iw.addDocument(document); count++; if (count % 50 == 0) System.out.println("finished " + (count * 100) / allImages.size() + "% of the images."); } iw.close(); return document; } }