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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.feature;
31  
32  import org.openimaj.feature.FeatureExtractor;
33  import org.openimaj.feature.FeatureVector;
34  import org.openimaj.feature.FeatureVectorProvider;
35  import org.openimaj.image.Image;
36  import org.openimaj.image.analyser.ImageAnalyser;
37  
38  /**
39   * A {@link FeatureExtractor} that wraps {@link ImageAnalyser}s that
40   * can provide {@link FeatureVector}s through {@link FeatureVectorProvider}.
41   * 
42   * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
43   *
44   * @param <ANALYSER> Type of ImageAnalyser 
45   * @param <IMAGE> Type of image
46   * @param <FEATURE> Type of feature
47   */
48  public class ImageAnalyserFVFeatureExtractor<
49  	ANALYSER extends ImageAnalyser<IMAGE> & FeatureVectorProvider<FEATURE>,
50  	IMAGE extends Image<?, IMAGE>,
51  	FEATURE extends FeatureVector
52  > implements FeatureExtractor<FEATURE, IMAGE> 
53  {
54  	private ANALYSER analyser;
55  	
56  	/**
57  	 * Construct with the given analyser
58  	 * @param analyser the analyser
59  	 */
60  	public ImageAnalyserFVFeatureExtractor(ANALYSER analyser) {
61  		this.analyser = analyser;
62  	}
63  	
64  	@Override
65  	public synchronized FEATURE extractFeature(IMAGE object) {
66  		analyser.analyseImage(object);
67  		return analyser.getFeatureVector();
68  	}
69  }