Package elki.distance.colorhistogram

Class HistogramIntersectionDistance

java.lang.Object

elki.distance.AbstractNumberVectorDistance

elki.distance.colorhistogram.HistogramIntersectionDistance

All Implemented Interfaces:

Distance<NumberVector>, NumberVectorDistance<NumberVector>, PrimitiveDistance<NumberVector>, SpatialPrimitiveDistance<NumberVector>

@Reference(authors="M. J. Swain, D. H. Ballard",
           title="Color Indexing",
           booktitle="International Journal of Computer Vision, 7(1), 32, 1991",
           url="https://doi.org/10.1007/BF00130487",
           bibkey="DBLP:journals/ijcv/SwainB91")
public class HistogramIntersectionDistance
extends AbstractNumberVectorDistance
implements SpatialPrimitiveDistance<NumberVector>

Intersection distance for color histograms.

Distance function for color histograms that emphasizes 'strong' bins.

Reference:

M. J. Swain, D. H. Ballard
Color indexing
International Journal of Computer Vision, 7(1), 32, 1991

Since:

0.3

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HistogramIntersectionDistance.Par	Parameterization class.

Field Summary

Fields

Modifier and Type	Field	Description
static HistogramIntersectionDistance	STATIC	Static instance

Constructor Summary

Constructors

Constructor	Description
HistogramIntersectionDistance()	Deprecated. Use static instance

Method Summary

Modifier and Type	Method	Description
double	distance(NumberVector v1, NumberVector v2)	Computes the distance between two given DatabaseObjects according to this distance function.
boolean	equals(java.lang.Object obj)
int	hashCode()
double	minDist(SpatialComparable mbr1, SpatialComparable mbr2)	Computes the distance between the two given MBRs according to this distance function.
java.lang.String	toString()

Methods inherited from class elki.distance.AbstractNumberVectorDistance

dimensionality, dimensionality, dimensionality, dimensionality, dimensionality, dimensionality, dimensionality, dimensionality, getInputTypeRestriction

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface elki.distance.Distance

isMetric, isSquared, isSymmetric

Methods inherited from interface elki.distance.PrimitiveDistance

getInputTypeRestriction

Methods inherited from interface elki.distance.SpatialPrimitiveDistance

instantiate

Field Detail

STATIC

public static final HistogramIntersectionDistance STATIC

Static instance

Constructor Detail

HistogramIntersectionDistance

@Deprecated
public HistogramIntersectionDistance()

Deprecated.

Use static instance

Constructor. No parameters.

Method Detail

distance

public double distance(NumberVector v1,
                       NumberVector v2)

Description copied from interface: PrimitiveDistance

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

Specified by:

distance in interface NumberVectorDistance<NumberVector>

Specified by:

distance in interface PrimitiveDistance<NumberVector>

Parameters:

v1 - first DatabaseObject

v2 - second DatabaseObject

Returns:

the distance between two given DatabaseObjects according to this distance function

minDist

public double minDist(SpatialComparable mbr1,
                      SpatialComparable mbr2)

Description copied from interface: SpatialPrimitiveDistance

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

Specified by:

minDist in interface SpatialPrimitiveDistance<NumberVector>

Parameters:

mbr1 - the first MBR object

mbr2 - the second MBR object

Returns:

the distance between the two given MBRs according to this distance function

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object