/*
* 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: 20.04.13 09:27
*/
package net.semanticmetadata.lire.imageanalysis;
import junit.framework.TestCase;
import net.semanticmetadata.lire.utils.FileUtils;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
/**
* Test class for PHOG descriptor.
* @author Mathias Lux, mathias@juggle.at, 05.04.13
*/
public class PHOGTest extends TestCase {
public void testExtraction() throws IOException {
BufferedImage img = ImageIO.read(new File("munch.jpg"));
// BufferedImage img = ImageIO.read(new File("test.jpg"));
PHOG p = new PHOG();
p.extract(img);
System.out.println(Arrays.toString(p.getDoubleHistogram()));
byte[] bytes = p.getByteArrayRepresentation();
PHOG g = new PHOG();
g.setByteArrayRepresentation(bytes, 0, bytes.length);
float distance = p.getDistance(p);
System.out.println("distance = " + distance);
}
public void testSerialization() throws IOException {
ArrayList<File> files = FileUtils.getAllImageFiles(new File("testdata/ferrari"), true);
for (Iterator<File> iterator = files.iterator(); iterator.hasNext(); ) {
File next = iterator.next();
BufferedImage image = ImageIO.read(next);
PHOG p1 = new PHOG();
PHOG p2 = new PHOG();
p1.extract(image);
System.out.println(Arrays.toString(p1.getDoubleHistogram()));
p2.setByteArrayRepresentation(p1.getByteArrayRepresentation());
System.out.println(Arrays.toString(p2.getDoubleHistogram()));
assertTrue(p2.getDistance(p1) == 0);
}
}
}