001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.demos.sandbox;
031
032import java.io.File;
033import java.io.IOException;
034import java.util.Arrays;
035
036import org.openimaj.image.ImageUtilities;
037import org.openimaj.image.MBFImage;
038import org.openimaj.image.colour.ColourSpace;
039import org.openimaj.image.pixel.statistics.HistogramModel;
040
041public class HistogramTest {
042        public static void main(String[] args) throws IOException {
043                HistogramModel model = new HistogramModel(16, 16, 16);
044        MBFImage im = ImageUtilities.readMBF(new File("/Users/jsh2/Pictures/08-earth_shuttle2.jpg"));
045        
046        im = ColourSpace.convert(im, ColourSpace.CIE_Lab);
047
048        im.bands.get(0).divideInplace(100F);
049        im.bands.get(1).subtractInplace(-127F).divideInplace(256F);
050        im.bands.get(2).subtractInplace(-127F).divideInplace(256F);
051        
052        System.out.println(im.bands.get(2));
053        
054        /* ERROR HERE */
055        model.estimateModel(im);
056        
057        double[] arr1 = model.histogram.values.clone();
058        
059        im = ImageUtilities.readMBF(new File("/Users/jsh2/Pictures/08-earth_shuttle2.jpg"));
060        im = ColourSpace.convert(im, ColourSpace.CIE_Lab_Norm);
061        model.estimateModel(im);
062        double[] arr2 = model.histogram.values.clone();
063        
064        
065        System.out.println(Arrays.toString(arr1));
066        System.out.println(Arrays.toString(arr2));
067        System.out.println(Arrays.equals(arr1, arr2));
068        }
069}