de.lmu.ifi.dbs.elki.distance.distancefunction.timeseries
Class EDRDistanceFunction<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.timeseries.AbstractEditDistanceFunction<V>
                  de.lmu.ifi.dbs.elki.distance.distancefunction.timeseries.EDRDistanceFunction<V>

Type Parameters:

V - the type of FeatureVector to compute the distances in between

All Implemented Interfaces:

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

public class EDRDistanceFunction<V extends NumberVector<V,?>>
extends AbstractEditDistanceFunction<V>

Provides the Edit Distance on Real Sequence distance for FeatureVectors.

Author:

Thomas Bernecker

Nested Class Summary

Nested classes/interfaces inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.timeseries.AbstractEditDistanceFunction

AbstractEditDistanceFunction.Step

Field Summary

private double	delta Keeps the currently set delta.
static OptionID	DELTA_ID OptionID for DELTA_PARAM
private DoubleParameter	DELTA_PARAM DELTA parameter

Fields inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.timeseries.AbstractEditDistanceFunction

bandSize, BANDSIZE_ID, BANDSIZE_PARAM

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

EDRDistanceFunction(Parameterization config)
Constructor, adhering to Parameterizable

Method Summary

DoubleDistance

distance(V v1, V v2) Provides the Edit Distance on Real Sequence distance between the given two vectors.

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

Field Detail

DELTA_ID

public static final OptionID DELTA_ID

OptionID for DELTA_PARAM

DELTA_PARAM

private final DoubleParameter DELTA_PARAM

DELTA parameter

delta

private double delta

Keeps the currently set delta.

Constructor Detail

EDRDistanceFunction

public EDRDistanceFunction(Parameterization config)

Constructor, adhering to Parameterizable

Parameters:

config - Parameterization

Method Detail

distance

public DoubleDistance distance(V v1,
                               V v2)

Provides the Edit Distance on Real Sequence distance between the given two vectors.

Parameters:

v1 - first DatabaseObject

v2 - second DatabaseObject

Returns:

the Edit Distance on Real Sequence distance between the given two vectors as an instance of DoubleDistance.