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.workinprogress;
31
32 import java.io.File;
33 import java.io.IOException;
34 import java.util.ArrayList;
35 import java.util.List;
36
37 import org.openimaj.image.DisplayUtilities;
38 import org.openimaj.image.ImageUtilities;
39 import org.openimaj.image.MBFImage;
40 import org.openimaj.math.util.FloatArrayStatsUtils;
41 import org.openimaj.video.xuggle.XuggleVideo;
42
43 public class BackgroundEstimator {
44 public static void main(String[] args) throws IOException {
45 final XuggleVideo xv = new XuggleVideo(new File("/Users/jon/Desktop/merlin/tunnel.mp4"));
46
47 final List<MBFImage> frameSample = new ArrayList<MBFImage>();
48 int count = 0;
49 for (final MBFImage fr : xv) {
50 if (count % 30 == 0)
51 System.out.println(count / 30);
52
53 if (count % 30 == 0)
54 frameSample.add(fr.clone());
55 count++;
56 }
57
58 final MBFImage img = new MBFImage(frameSample.get(0).getWidth(), frameSample.get(0).getHeight());
59 final float[] vec = new float[frameSample.size()];
60 for (int y = 0; y < img.getHeight(); y++) {
61 for (int x = 0; x < img.getWidth(); x++) {
62 for (int b = 0; b < 3; b++) {
63 for (int i = 0; i < frameSample.size(); i++)
64 vec[i] = frameSample.get(i).getBand(b).pixels[y][x];
65
66 img.bands.get(b).pixels[y][x] = FloatArrayStatsUtils.median(vec);
67 }
68 }
69 }
70
71 DisplayUtilities.display(img);
72 ImageUtilities.write(img, new File("/Users/jon/Desktop/merlin/tunnel-background.png"));
73 }
74 }