/*
* 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: 26.04.13 10:22
*/
package net.semanticmetadata.lire.imageanalysis;
import junit.framework.TestCase;
import net.semanticmetadata.lire.utils.FileUtils;
import net.semanticmetadata.lire.utils.ImageUtils;
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;
/**
* This file is part of LIRE, a Java library for content based image retrieval.
*
* @author Mathias Lux, mathias@juggle.at, 20.04.13
*/
public class JCDTest extends TestCase {
int bytes = 0, sum = 0;
public void testExtraction() 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);
JCD f1 = new JCD();
JCD f2 = new JCD();
f1.extract(image);
System.out.println(Arrays.toString(f1.getByteArrayRepresentation()));
bytes += f1.getByteArrayRepresentation().length;
sum += 168;
f2.setByteArrayRepresentation(f1.getByteArrayRepresentation());
assertTrue(f2.getDistance(f1) == 0);
}
double save = 1d - (double) bytes / (double) sum;
System.out.println(save * 100 + "% saved");
}
public void testSerialization() throws IOException, IllegalAccessException, InstantiationException {
LireFeature f1 = new JCD();
String[] testFiles = {"D:\\DataSets\\WIPO-CA\\converted-0\\1000038.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1000282.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1000414.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1000489.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1000466.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1000194.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1000248.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1000009.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1001816.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1001809.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1002011.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1001855.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1002863.png",
"D:\\DataSets\\WIPO-CA\\converted-0\\1002896.png"};
for (String testFile : testFiles) {
f1.extract(ImageIO.read(new File(testFile)));
LireFeature f2 = f1.getClass().newInstance();
for (int i = 0; i < 10; i++) {
f2.extract(ImageIO.read(new File(testFile)));
assertEquals(f1.getDistance(f2), 0, 0.000001f);
}
byte[] tmp = new byte[2048];
Arrays.fill(tmp, (byte) 0x000F);
byte[] bytes = f1.getByteArrayRepresentation();
System.arraycopy(bytes, 0, tmp, 12, bytes.length);
f2.setByteArrayRepresentation(tmp, 12, bytes.length);
assertEquals(f1.getDistance(f2), 0, 0.0000001f);
}
}
public void testExtractionAndMetric() throws IOException {
JCD jcd1 = new JCD();
BufferedImage img = ImageIO.read(new File("out1.jpg"));
ImageUtils.scaleImage(img, 50);
jcd1.extract(img);
System.out.println(Arrays.toString(jcd1.getByteArrayRepresentation()));
JCD jcd2 = new JCD();
jcd2.extract(ImageIO.read(new File("src/test/resources/images/img01.JPG")));
jcd2.setByteArrayRepresentation(jcd1.getByteArrayRepresentation());
System.out.println(Arrays.toString(jcd2.getByteArrayRepresentation()));
System.out.println("jcd2.getDistance(jcd1) = " + jcd1.getDistance(jcd2));
jcd2.setByteArrayRepresentation(jcd1.getByteArrayRepresentation(), 0, jcd1.getByteArrayRepresentation().length);
System.out.println("jcd2.getDistance(jcd1) = " + jcd1.getDistance(jcd2));
}
public void testConcurrentExtraction() throws IOException, IllegalAccessException, InstantiationException {
// concurrent extraction.
Class[] featureClasses = new Class[]{
CEDD.class,
FCTH.class,
JCD.class
// AutoColorCorrelogram.class,
// ColorLayout.class,
// EdgeHistogram.class,
// Gabor.class,
// JpegCoefficientHistogram.class,
// ScalableColor.class,
// SimpleColorHistogram.class,
// OpponentHistogram.class,
// LocalBinaryPatterns.class,
// RotationInvariantLocalBinaryPatterns.class,
// BinaryPatternsPyramid.class,
// LuminanceLayout.class,
// Tamura.class,
// FuzzyColorHistogram.class,
// PHOG.class
};
for (int j = 0; j < featureClasses.length; j++) {
Class featureClass = featureClasses[j];
LireFeature f1 = (LireFeature) featureClass.newInstance();
Thread t = null;
BufferedImage read = ImageIO.read(new File("src/test/resources/images/91561.lire.jpg"));
f1.extract(read);
for (int i=0; i<16; i++) {
t = new Thread(new Extractor(read, f1));
t.start();
}
try {
t.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public void testSingleFile() throws IOException {
BufferedImage image = ImageIO.read(new File("gray.jpg"));
JCD j = new JCD();
j.extract(image);
System.out.println(Arrays.toString(j.getDoubleHistogram()));
System.out.println(Arrays.toString(j.getByteArrayRepresentation()));
}
class Extractor implements Runnable {
private BufferedImage file;
private LireFeature feature;
private LireFeature truth;
Extractor(BufferedImage file, LireFeature truth) {
try {
this.file = file;
this.truth = truth.getClass().newInstance();
this.truth.setByteArrayRepresentation(truth.getByteArrayRepresentation());
feature = truth.getClass().newInstance();
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void run() {
for (int i =0; i<100; i++) {
try {
feature.extract(file);
if (feature.getDistance(truth) != 0) {
System.err.println(Thread.currentThread().getName() + " ("+feature.getFeatureName()+") : " + feature.getDistance(truth));
break;
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}