marf.Classification.Distance
Class MahalanobisDistance
java.lang.Object
|
+--marf.Storage.StorageManager
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+--marf.Classification.Classification
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+--marf.Classification.Distance.Distance
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+--marf.Classification.Distance.MahalanobisDistance
- All Implemented Interfaces:
- IStorageManager, java.io.Serializable
- public class MahalanobisDistance
- extends Distance
Mahalanobis Distance Classification Module.
NOTE: Implemented as equivalent to Euclidean Distance in 0.2.0, i.e.
the Covariance matrix is always an Indentity one.
$Id: MahalanobisDistance.java,v 1.17 2005/05/31 15:39:32 mokhov Exp $
- Since:
- 0.2.0
- Version:
- $Revision: 1.17 $
- Author:
- Serguei Mokhov
- See Also:
- Serialized Form
Constructor Summary |
MahalanobisDistance(marf.FeatureExtraction.FeatureExtraction poFeatureExtraction)
MahalanobisDistance Constructor. |
Method Summary |
double |
distance(double[] paVector1,
double[] paVector2)
Partial MahalanobisDistance implementation. |
static java.lang.String |
getRevision()
Retrieves class' revision. |
Methods inherited from class marf.Storage.StorageManager |
backSynchronizeObject, dumpBinary, dumpCSV, dumpGzipBinary, dumpHTML, dumpSQL, dumpXML, getDefaultExtension, getDefaultExtension, getDumpMode, getFilename, restoreBinary, restoreCSV, restoreGzipBinary, restoreHTML, restoreSQL, restoreXML, setDumpMode, setFilename |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MahalanobisDistance
public MahalanobisDistance(marf.FeatureExtraction.FeatureExtraction poFeatureExtraction)
- MahalanobisDistance Constructor.
- Parameters:
poFeatureExtraction
- FeatureExtraction module reference
distance
public final double distance(double[] paVector1,
double[] paVector2)
- Partial MahalanobisDistance implementation.
- Specified by:
distance
in class Distance
- Parameters:
paVector1
- first vector to comparepaVector2
- second vector to compare
- Returns:
- Mahalanobis distance between two feature vectors
getRevision
public static java.lang.String getRevision()
- Retrieves class' revision.
- Returns:
- revision string
- Since:
- 0.3.0