Java Distance Calculate distL1(double[] h1, double[] h2)

Here you can find the source of distL1(double[] h1, double[] h2)

Description

dist L

License

Open Source License

Declaration

public static double distL1(double[] h1, double[] h2) 

Method Source Code

//package com.java2s;
/*//w  w w.  j  a  v a 2s  .  c o m
 * 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: 19.05.13 11:24
 */

public class Main {
    /**
     * Manhattan distance
     *
     * @param h1
     * @param h2
     * @return
     */
    public static double distL1(int[] h1, int[] h2) {
        double sum = 0d;
        for (int i = 0; i < h1.length; i++) {
            sum += Math.abs(h1[i] - h2[i]);
        }
        return sum / h1.length;
    }

    public static double distL1(double[] h1, double[] h2) {
        double sum = 0d;
        for (int i = 0; i < h1.length; i++) {
            sum += Math.abs(h1[i] - h2[i]);
        }
        return sum / h1.length;
    }

    public static float distL1(float[] h1, float[] h2) {
        float sum = 0f;
        for (int i = 0; i < h1.length; i++) {
            sum += Math.abs(h1[i] - h2[i]);
        }
        return sum;
    }

    public static double distL1(byte[] h1, byte[] h2) {
        double sum = 0f;
        for (int i = 0; i < h1.length; i++) {
            sum += Math.abs(h1[i] - h2[i]);
        }
        return sum;
    }
}

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