de.lmu.ifi.dbs.elki.distance.distancefunction.colorhistogram
Class HistogramIntersectionDistanceFunction<V extends NumberVector<V,?>>

java.lang.Object
  de.lmu.ifi.dbs.elki.logging.AbstractLoggable
      de.lmu.ifi.dbs.elki.distance.AbstractMeasurementFunction<O,D>
          de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractDistanceFunction<V,DoubleDistance>
              de.lmu.ifi.dbs.elki.distance.distancefunction.colorhistogram.HistogramIntersectionDistanceFunction<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

DistanceFunction<V,DoubleDistance>, MeasurementFunction<V,DoubleDistance>, Parameterizable

@Title(value="Color histogram intersection distance")
@Description(value="Distance function for color histograms that emphasizes \'strong\' bins.")
@Reference(authors="M. J. Swain, D. H. Ballard",
           title="Color Indexing",
           booktitle="International Journal of Computer Vision, 7(1), 32, 1991")
public class HistogramIntersectionDistanceFunction<V extends NumberVector<V,?>>
extends AbstractDistanceFunction<V,DoubleDistance>
implements Parameterizable

Intersection distance for color histograms. According to: M. J. Swain, D. H. Ballard:
Color indexing
International Journal of Computer Vision, 7(1), 32, 1991

Author:

Erich Schubert

Field Summary

Fields inherited from class de.lmu.ifi.dbs.elki.distance.AbstractMeasurementFunction

distanceFactory

Fields inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debug, logger

Constructor Summary

HistogramIntersectionDistanceFunction()
Constructor.

Method Summary

DoubleDistance

distance(V v1, V v2) Computes the distance between two given DatabaseObjects according to this distance function.

Methods inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractDistanceFunction

distance, distance

Methods inherited from class de.lmu.ifi.dbs.elki.distance.AbstractMeasurementFunction

getDatabase, getDistanceFactory, infiniteDistance, nullDistance, setDatabase, undefinedDistance, valueOf

Methods inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debugFine, debugFiner, debugFinest, exception, progress, verbose, warning

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface de.lmu.ifi.dbs.elki.distance.MeasurementFunction

getDistanceFactory, infiniteDistance, nullDistance, setDatabase, undefinedDistance, valueOf

Constructor Detail

HistogramIntersectionDistanceFunction

public HistogramIntersectionDistanceFunction()

Constructor. No parameters.

Method Detail

distance

public DoubleDistance distance(V v1,
                               V v2)

Description copied from interface: DistanceFunction

Computes the distance between two given DatabaseObjects according to this distance function.

Specified by:

distance in interface DistanceFunction<V extends NumberVector<V,?>,DoubleDistance>

Parameters:

v1 - first DatabaseObject

v2 - second DatabaseObject

Returns:

the distance between two given DatabaseObjects according to this distance function