Java tutorial
/* * This file is part of the LIRE project: http://lire-project.net * 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.sampleapp; import net.semanticmetadata.lire.builders.DocumentBuilder; import net.semanticmetadata.lire.imageanalysis.features.global.CEDD; import net.semanticmetadata.lire.searchers.GenericFastImageSearcher; import net.semanticmetadata.lire.searchers.ImageSearchHits; import net.semanticmetadata.lire.searchers.ImageSearcher; import org.apache.lucene.index.DirectoryReader; import org.apache.lucene.index.IndexReader; import org.apache.lucene.store.FSDirectory; import javax.imageio.ImageIO; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.nio.file.Paths; /** * User: Mathias Lux, mathias@juggle.at * Date: 25.05.12 * Time: 12:19 */ public class Searcher { public static void main(String[] args) throws IOException { // Checking if arg[0] is there and if it is an image. BufferedImage img = null; boolean passed = false; if (args.length > 0) { File f = new File(args[0]); if (f.exists()) { try { img = ImageIO.read(f); passed = true; } catch (IOException e) { e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates. } } } if (!passed) { System.out.println("No image given as first argument."); System.out.println("Run \"Searcher <query image>\" to search for <query image>."); System.exit(1); } IndexReader ir = DirectoryReader.open(FSDirectory.open(Paths.get("index"))); ImageSearcher searcher = new GenericFastImageSearcher(30, CEDD.class); // ImageSearcher searcher = new GenericFastImageSearcher(30, AutoColorCorrelogram.class); // searching with a image file ... ImageSearchHits hits = searcher.search(img, ir); // searching with a Lucene document instance ... // ImageSearchHits hits = searcher.search(ir.document(0), ir); for (int i = 0; i < hits.length(); i++) { String fileName = ir.document(hits.documentID(i)).getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0]; System.out.println(hits.score(i) + ": \t" + fileName); } } }