ExtractSingleFeature.java

/*
 * 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
 *
 * Updated: 07.11.14 14:43
 */

package net.semanticmetadata.lire.sampleapp;

import net.semanticmetadata.lire.imageanalysis.features.GlobalFeature;
import net.semanticmetadata.lire.imageanalysis.features.global.CEDD;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Arrays;

/**
 * This file is part of LIRE, a Java library for content based image retrieval.
 *
 * @author Mathias Lux, mathias@juggle.at, 07.11.2014
 */
public class ExtractSingleFeature {
    public static void main(String[] args) {
        BufferedImage img = null;
        GlobalFeature f = null;
        for (int i = 0; i < args.length; i++) {
            String arg = args[i];
            if (arg.startsWith("-i")) {
                // infile ...
                try {
                    img = ImageIO.read(new FileInputStream(args[i + 1]));
                } catch (IOException e) {
                    e.printStackTrace();
                    printHelp();
                }
            } else if (arg.startsWith("-f")) {
                // feature selection.
                try {
                    f = (GlobalFeature) Class.forName(args[i + 1]).newInstance();
                } catch (Exception e) {
                    e.printStackTrace();
                    printHelp();
                }
            }
        }
        if (img == null) printHelp();
        if (f == null) {
            f = new CEDD();
        }
        System.out.println("Extracting " + f.getClass().getName() + ".");
        f.extract(img);
        System.out.printf(Arrays.toString(f.getFeatureVector()));
    }

    private static void printHelp() {
        System.exit(1);
    }
}