/*
* 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
*/
package net.semanticmetadata.lire.indexing.fastmap;
import net.semanticmetadata.lire.imageanalysis.LireFeature;
import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;
/**
* ...
* Date: 13.08.2008
* Time: 14:42:16
*
* @author Mathias Lux, mathias@juggle.at
*/
public class SavedPivots implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
String[][] pivots;
public SavedPivots(int[][] piv, List<LireFeature> objs) {
// create a String array holding the two pivots per dimension.
this.pivots = new String[2][piv[0].length];
// save string representations for pivots:
for (int i = 0; i < piv[0].length; i++) {
pivots[0][i] = objs.get(piv[0][i]).getStringRepresentation();
pivots[1][i] = objs.get(piv[1][i]).getStringRepresentation();
}
}
/**
* Create the pivots index array from the stored pivots and add them
* to the list of objects to fastmap.
*
* @param objs the list of objects to fastmap
* @param descriptor the actual descriptor class of the LireFeature
* @return
*/
public int[][] getPivots(List<LireFeature> objs, Class<? extends LireFeature> descriptor) throws IllegalAccessException, InstantiationException {
int[][] retVal = new int[2][pivots[0].length];
List<LireFeature> pivs = new LinkedList<LireFeature>();
int countIndex = 0;
for (int i = 0; i < pivots[0].length; i++) {
LireFeature vd1 = (LireFeature) descriptor.newInstance();
vd1.setStringRepresentation(pivots[0][i]);
pivs.add(vd1);
retVal[0][i] = countIndex;
countIndex++;
LireFeature vd2 = (LireFeature) descriptor.newInstance();
vd2.setStringRepresentation(pivots[1][i]);
pivs.add(vd2);
retVal[1][i] = countIndex;
countIndex++;
}
objs.addAll(0, pivs);
return retVal;
}
}