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.segmentation;
31
32 import java.util.List;
33
34 import org.openimaj.image.MBFImage;
35 import org.openimaj.image.colour.ColourSpace;
36 import org.openimaj.image.colour.RGBColour;
37 import org.openimaj.image.pixel.ConnectedComponent;
38 import org.openimaj.image.pixel.PixelSet;
39 import org.openimaj.image.processor.connectedcomponent.render.BlobRenderer;
40
41 /**
42 * Some utility functions for dealing with segmented output
43 *
44 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
45 *
46 */
47 public class SegmentationUtilities {
48 private SegmentationUtilities() {
49 }
50
51 /**
52 * Render the components to the image with randomly assigned colours.
53 *
54 * @param image
55 * Image to draw to
56 * @param components
57 * the components
58 * @return the image
59 */
60 public static MBFImage renderSegments(MBFImage image, List<? extends PixelSet> components) {
61 for (final PixelSet cc : components) {
62 final BlobRenderer<Float[]> br = new BlobRenderer<Float[]>(image, RGBColour.randomColour());
63 br.process(new ConnectedComponent(cc.pixels));
64 }
65
66 return image;
67 }
68
69 /**
70 * Render the components to an image with randomly assigned colours.
71 *
72 * @param width
73 * Width of image.
74 * @param height
75 * Height of image.
76 * @param components
77 * the components.
78 * @return the rendered image.
79 */
80 public static MBFImage renderSegments(int width, int height, List<? extends PixelSet> components) {
81 return renderSegments(new MBFImage(width, height, ColourSpace.RGB), components);
82 }
83 }