org.openimaj.experiment.evaluation.classification.analysers.confusionmatrix

Class CMAnalyser<OBJECT,CLASS>

java.lang.Object

org.openimaj.experiment.evaluation.classification.analysers.confusionmatrix.CMAnalyser<OBJECT,CLASS>

Type Parameters:

CLASS - The type of classes produced by the Classifier

OBJECT - The type of object classifed by the Classifier

All Implemented Interfaces:

ClassificationAnalyser<CMResult<CLASS>,CLASS,OBJECT>

public class CMAnalyser<OBJECT,CLASS>
extends Object
implements ClassificationAnalyser<CMResult<CLASS>,CLASS,OBJECT>

A ClassificationAnalyser that creates Confusion Matrices.

Author:

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

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CMAnalyser.Strategy Strategies for building confusion matrices

Field Summary

Fields

Modifier and Type	Field and Description
protected CMAnalyser.Strategy	strategy

Constructor Summary

Constructors

Constructor and Description
CMAnalyser(CMAnalyser.Strategy strategy) Construct with the given strategy for building the confusion matrix

Method Summary

Modifier and Type	Method and Description
CMResult<CLASS>	analyse(Map<OBJECT,ClassificationResult<CLASS>> predicted, Map<OBJECT,Set<CLASS>> actual) Analyse the performance of the predicted results against the actual ground-truth results.

Methods inherited from class java.lang.Object

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

Field Detail

strategy

protected CMAnalyser.Strategy strategy

Constructor Detail

CMAnalyser

public CMAnalyser(CMAnalyser.Strategy strategy)

Construct with the given strategy for building the confusion matrix

Parameters:

strategy - the strategy

Method Detail

analyse

public CMResult<CLASS> analyse(Map<OBJECT,ClassificationResult<CLASS>> predicted,
                               Map<OBJECT,Set<CLASS>> actual)

Description copied from interface: ClassificationAnalyser

Analyse the performance of the predicted results against the actual ground-truth results.

Specified by:

analyse in interface ClassificationAnalyser<CMResult<CLASS>,CLASS,OBJECT>

Parameters:

predicted - the predictions from the classifier

actual - the ground-truth

Returns:

an object representing the analysed results