/*
* 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: 01.07.13 15:48
*/
package net.semanticmetadata.lire;
import junit.framework.TestCase;
import net.semanticmetadata.lire.imageanalysis.mser.MSER;
import net.semanticmetadata.lire.imageanalysis.mser.MSERFeature;
import net.semanticmetadata.lire.impl.ChainedDocumentBuilder;
import net.semanticmetadata.lire.impl.MSERDocumentBuilder;
import net.semanticmetadata.lire.indexing.parallel.ParallelIndexer;
import net.semanticmetadata.lire.utils.FileUtils;
import net.semanticmetadata.lire.utils.ImageUtils;
import net.semanticmetadata.lire.utils.LuceneUtils;
import org.apache.lucene.analysis.core.WhitespaceAnalyzer;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
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;
import java.util.List;
/**
* Created with IntelliJ IDEA.
* User: mlux
* Date: 07.02.13
* Time: 13:19
*/
public class MserTest extends TestCase {
private String[] testFiles = new String[]{
"img01.JPG", "img02.JPG", "img03.JPG", "img04.JPG", "img05.JPG",
"img06.JPG", "img07.JPG", "img08.JPG", "error.jpg"};
private String testFilesPath = "./src/test/resources/images/";
private File indexPath = new File("mserIndex");
public void testSimpleIndexMSER() throws IOException {
MSERDocumentBuilder builder = new MSERDocumentBuilder();
for (String file : testFiles) {
builder.createDocument(new FileInputStream(testFilesPath + file), testFilesPath + file);
}
}
public void testParallelIndexMSER() throws IOException {
ParallelIndexer pin = new ParallelIndexer(1, "mser-idx", "D:\\DataSets\\WIPO\\CA\\sample") {
@Override
public void addBuilders(ChainedDocumentBuilder builder) {
builder.addBuilder(new MSERDocumentBuilder());
}
};
pin.run();
}
public void testExtendedIndexMSER() throws IOException {
MSERDocumentBuilder builder = new MSERDocumentBuilder();
IndexWriterConfig conf = new IndexWriterConfig(LuceneUtils.LUCENE_VERSION,
new WhitespaceAnalyzer(LuceneUtils.LUCENE_VERSION));
IndexWriter iw = new IndexWriter(FSDirectory.open(indexPath), conf);
long ms = System.currentTimeMillis();
int count = 0;
ArrayList<File> files = FileUtils.getAllImageFiles(new File("D:\\DataSets\\WIPO\\CA\\sample"), true);
for (Iterator<File> i = files.iterator(); i.hasNext(); ) {
File imgFile = i.next();
BufferedImage img = ImageIO.read(imgFile);
if (Math.max(img.getWidth(), img.getHeight()) < 800) {
// scale image ...
img = ImageUtils.scaleImage(img, 800);
}
iw.addDocument(builder.createDocument(img, imgFile.getPath()));
count++;
if (count > 2 && count % 25 == 0) {
System.out.println(count + " files indexed. " + (System.currentTimeMillis() - ms) / (count) + " ms per file");
}
}
iw.close();
}
public void testFaulty() throws IOException {
MSERDocumentBuilder builder = new MSERDocumentBuilder();
// String file = "C:\\Temp\\testImagelogos\\xml\\00\\00\\72330000.gif";
String file = "C:\\Temp\\test.png";
BufferedImage image = ImageUtils.createWorkingCopy(ImageIO.read(new FileInputStream(file)));
BufferedImage image1 = ImageUtils.getGrayscaleImage(image);
// extract features from image:
MSER extractor = new MSER();
List<MSERFeature> features = extractor.computeMSERFeatures(image1);
ImageUtils.invertImage(image1);
// invert grey
features.addAll(extractor.computeMSERFeatures(image1));
System.out.println(features.size());
}
}