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package de.lmu.ifi.dbs.elki.application;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2012
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import java.io.File;
import java.io.IOException;
import de.lmu.ifi.dbs.elki.data.images.ComputeColorHistogram;
import de.lmu.ifi.dbs.elki.data.images.ComputeNaiveRGBColorHistogram;
import de.lmu.ifi.dbs.elki.utilities.FormatUtil;
import de.lmu.ifi.dbs.elki.utilities.exceptions.UnableToComplyException;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.OptionID;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameterization.Parameterization;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.FileParameter;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.ObjectParameter;
/**
* Application that computes the color histogram vector for a single image.
*
* @author Erich Schubert
*
* @apiviz.composedOf ComputeColorHistogram
* @apiviz.has File
*/
public class ComputeSingleColorHistogram extends AbstractApplication {
/**
* Class parameter for computing the color histogram.
* <p>
* Key: {@code -colorhist.generator}
* </p>
*/
public static OptionID COLORHIST_ID = new OptionID("colorhist.generator", "Class that is used to generate a color histogram.");
/**
* Parameter that specifies the name of the input file.
* <p>
* Key: {@code -colorhist.in}
* </p>
*/
public static final OptionID INPUT_ID = new OptionID("colorhist.in", "Input image file for color histogram.");
/**
* Parameter that specifies the name of the mask input file.
* <p>
* Key: {@code -colorhist.mask}
* </p>
*/
public static final OptionID MASK_ID = new OptionID("colorhist.mask", "Input mask image file.");
/**
* Class that will compute the actual histogram
*/
private ComputeColorHistogram histogrammaker;
/**
* Input file.
*/
private File inputFile;
/**
* Mask file.
*/
private File maskFile;
/**
* Constructor.
*
* @param histogrammaker Class to compute histograms with
* @param inputFile Input file
* @param maskFile Mask file
*/
public ComputeSingleColorHistogram(ComputeColorHistogram histogrammaker, File inputFile, File maskFile) {
super();
this.histogrammaker = histogrammaker;
this.inputFile = inputFile;
this.maskFile = maskFile;
}
@Override
public void run() throws UnableToComplyException {
double[] hist;
try {
hist = histogrammaker.computeColorHistogram(inputFile, maskFile);
}
catch(IOException e) {
throw new UnableToComplyException(e);
}
System.out.println(FormatUtil.format(hist, " "));
}
/**
* Parameterization class.
*
* @author Erich Schubert
*
* @apiviz.exclude
*/
public static class Parameterizer extends AbstractApplication.Parameterizer {
/**
* Class that will compute the actual histogram
*/
private ComputeColorHistogram histogrammaker;
/**
* Input file.
*/
private File inputFile;
/**
* Mask file.
*/
private File maskFile;
@Override
protected void makeOptions(Parameterization config) {
super.makeOptions(config);
final ObjectParameter<ComputeColorHistogram> colorhistP = new ObjectParameter<ComputeColorHistogram>(COLORHIST_ID, ComputeColorHistogram.class, ComputeNaiveRGBColorHistogram.class);
if(config.grab(colorhistP)) {
histogrammaker = colorhistP.instantiateClass(config);
}
final FileParameter inputP = new FileParameter(INPUT_ID, FileParameter.FileType.INPUT_FILE);
if(config.grab(inputP)) {
inputFile = inputP.getValue();
}
final FileParameter maskP = new FileParameter(MASK_ID, FileParameter.FileType.INPUT_FILE, true);
if(config.grab(maskP)) {
maskFile = maskP.getValue();
}
}
@Override
protected ComputeSingleColorHistogram makeInstance() {
return new ComputeSingleColorHistogram(histogrammaker, inputFile, maskFile);
}
}
/**
* Main method to run this application.
*
* @param args the arguments to run this application
*/
public static void main(String[] args) {
runCLIApplication(ComputeSingleColorHistogram.class, args);
}
}
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