Package elki.distance.colorhistogram

Class HSBHistogramQuadraticDistance

java.lang.Object

elki.distance.AbstractNumberVectorDistance

elki.distance.MatrixWeightedQuadraticDistance

elki.distance.colorhistogram.HSBHistogramQuadraticDistance

All Implemented Interfaces:

Distance<NumberVector>, Norm<NumberVector>, NumberVectorDistance<NumberVector>, PrimitiveDistance<NumberVector>

@Reference(authors="J. R. Smith, S. F. Chang",
           title="VisualSEEk: a fully automated content-based image query system",
           booktitle="Proc. 4th ACM Int. Conf. on Multimedia 1997",
           url="https://doi.org/10.1145/244130.244151",
           bibkey="DBLP:conf/mm/SmithC96")
public class HSBHistogramQuadraticDistance
extends MatrixWeightedQuadraticDistance

Distance function for HSB color histograms based on a quadratic form and color similarity.

The matrix is filled according to:

VisualSEEk: a fully automated content-based image query system
J. R. Smith, S. F. Chang
Proc. 4th ACM Int. Conf. on Multimedia 1997

Since:

0.3

Author:

Erich Schubert

Nested Class Summary

Nested Classes

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

Field Summary

Fields inherited from class elki.distance.MatrixWeightedQuadraticDistance

weightMatrix

Constructor Summary

Constructors

Constructor	Description
HSBHistogramQuadraticDistance(int quanth, int quants, int quantb)	Constructor.

Method Summary

Modifier and Type	Method	Description
static double[][]	computeWeightMatrix(int quanth, int quants, int quantb)	Compute the weight matrix for HSB similarity.

Methods inherited from class elki.distance.MatrixWeightedQuadraticDistance

distance, equals, getInputTypeRestriction, hashCode, isSquared, norm

Methods inherited from class elki.distance.AbstractNumberVectorDistance

dimensionality, dimensionality, dimensionality, dimensionality, dimensionality, dimensionality, dimensionality, dimensionality

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.distance.Distance

isMetric, isSymmetric

Methods inherited from interface elki.distance.PrimitiveDistance

instantiate

Constructor Detail

HSBHistogramQuadraticDistance

public HSBHistogramQuadraticDistance(int quanth,
                                     int quants,
                                     int quantb)

Constructor.

Parameters:

quanth - Hue bins

quants - Saturation bins

quantb - Brightness bins

Method Detail

computeWeightMatrix

public static double[][] computeWeightMatrix(int quanth,
                                             int quants,
                                             int quantb)

Compute the weight matrix for HSB similarity.

Parameters:

quanth - H bins

quants - S bins

quantb - B bins

Returns:

Weight matrix