org.openimaj.util.comparator

Interface DistanceComparator<T>

Type Parameters:

T - type of object being compared

All Known Subinterfaces:

ByteFVComparator, DoubleFVComparator, FacialFeatureComparator<T>, FloatFVComparator, FVComparator<T>, IntFVComparator, LongFVComparator, ShortFVComparator

All Known Implementing Classes:

ByteFVComparison, DoGSIFTFeatureComparator, DoubleFVComparison, FaceFVComparator, FloatFVComparison, GaussianKLDivergence, IntFVComparison, LongFVComparison, LtpDtFeatureComparator, ReversedLtpDtFeatureComparator, SampledMultivariateDistanceComparator, ShortFVComparison, SparseByteFVComparison, SparseDoubleFVComparison, SparseFloatFVComparison, SparseIntFVComparison, SparseLongFVComparison, SparseShortFVComparison

public interface DistanceComparator<T>

Interface for classes that can compare two objects and return a distance or similarity

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Method Summary

Modifier and Type	Method and Description
double	compare(T o1, T o2) Compare two objects, returning a score or distance.
boolean	isDistance()

Method Detail

compare

double compare(T o1,
               T o2)

Compare two objects, returning a score or distance.

Parameters:

o1 - the first object

o2 - the second object

Returns:

a score or distance

isDistance

boolean isDistance()

Returns:

true if the comparison is a distance; false if similarity.