1 /** 2 * Copyright (c) 2011, The University of Southampton and the individual contributors. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * * Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * * Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * * Neither the name of the University of Southampton nor the names of its 16 * contributors may be used to endorse or promote products derived from this 17 * software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 package org.openimaj.image.contour; 31 32 import static org.junit.Assert.assertTrue; 33 34 import org.junit.Test; 35 import org.openimaj.image.FImage; 36 37 /** 38 * Tests for the {@link SuzukiContourProcessor} direct from the paper 39 * 40 * @author Sina Samangooei (ss@ecs.soton.ac.uk) 41 * 42 */ 43 public class SuzukiContourProcessorTest { 44 /** 45 * Tests fig3 46 * 47 * @throws Exception 48 */ 49 @Test 50 public void testFig3() throws Exception { 51 final FImage img = new FImage(new float[][] { 52 new float[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 53 new float[] { 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 }, 54 new float[] { 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0 }, 55 new float[] { 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0 }, 56 new float[] { 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 }, 57 new float[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 58 }); 59 60 final FImage imgC = img.clone(); 61 final Contour root = SuzukiContourProcessor.findContours(imgC); 62 63 final FImage expected = new FImage(new float[][] { 64 new float[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 65 new float[] { 0, 0, 2, 2, 2, 2, 2, 2, -2, 0, 0, 0 }, 66 new float[] { 0, 0, -3, 0, 0, -4, 0, 0, -2, 0, -5, 0 }, 67 new float[] { 0, 0, -3, 0, 0, -4, 0, 0, -2, 0, 0, 0 }, 68 new float[] { 0, 0, 2, 2, 2, 2, 2, 2, -2, 0, 0, 0 }, 69 new float[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 70 }); 71 72 assertTrue(imgC.equals(expected)); 73 System.out.println(root); 74 } 75 }