root / org.gvsig.toolbox / trunk / org.gvsig.toolbox / org.gvsig.toolbox.algorithm / src / main / java / es / unex / sextante / imageAnalysis / texture / features / TextureEntropyAlgorithm.java @ 59
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| 1 | 59 | nbrodin | package es.unex.sextante.imageAnalysis.texture.features; |
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| 2 | |||
| 3 | import es.unex.sextante.core.Sextante; |
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| 4 | import es.unex.sextante.imageAnalysis.texture.base.BaseTextureAnalysisAlgorithm; |
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| 5 | |||
| 6 | public class TextureEntropyAlgorithm |
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| 7 | extends
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| 8 | BaseTextureAnalysisAlgorithm {
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| 9 | |||
| 10 | @Override
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| 11 | public void defineCharacteristics() { |
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| 12 | |||
| 13 | super.defineCharacteristics();
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| 14 | |||
| 15 | this.setName(Sextante.getText("Texture_Entropy")); |
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| 16 | |||
| 17 | } |
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| 18 | |||
| 19 | |||
| 20 | @Override
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| 21 | protected double getTextureFeature() { |
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| 22 | |||
| 23 | double dEntropy = 0; |
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| 24 | for (int i = 0; i < GRAYSCALE_LEVELS; i++) { |
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| 25 | for (int j = 0; j < GRAYSCALE_LEVELS; j++) { |
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| 26 | dEntropy += (m_GLCM[i][j] * -1 * Math.log(m_GLCM[i][j])); |
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| 27 | } |
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| 28 | } |
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| 29 | |||
| 30 | return dEntropy;
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| 31 | |||
| 32 | } |
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| 33 | |||
| 34 | } |