feature_filtering
Class RandomFiltering

java.lang.Object
  feature_filtering.AbstractFeatureFiltering
      feature_filtering.RandomFiltering

public class RandomFiltering
extends AbstractFeatureFiltering

This class is used for variance-based filtering.

Author:

Eleftherios Spyromitros-Xioufis

Field Summary

private double

percentageRetained The percentage of descriptors that will be randomly filtered.

Constructor Summary

RandomFiltering(double percentageRetained)
Constructor

Method Summary

protected java.util.ArrayList<double[]>	filterInternal(java.util.ArrayList<double[]> descriptors) Subclasses should provide the implementation.
protected double[][]	filterInternal(double[][] descriptors) Subclasses should provide the implementation.

Methods inherited from class feature_filtering.AbstractFeatureFiltering

calculatePercentileValuesEntropy, calculatePercentileValuesVariance, entropyCalculation, filter, filter, main, varianceCalculation

Methods inherited from class java.lang.Object

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

Field Detail

percentageRetained

private double percentageRetained

The percentage of descriptors that will be randomly filtered.

Constructor Detail

RandomFiltering

public RandomFiltering(double percentageRetained)
                throws java.lang.Exception

Constructor

Parameters:

percentageRetained -

Throws:

java.lang.Exception

Method Detail

filterInternal

protected double[][] filterInternal(double[][] descriptors)
                             throws java.lang.Exception

Description copied from class: AbstractFeatureFiltering

Subclasses should provide the implementation.

Specified by:

filterInternal in class AbstractFeatureFiltering

Returns:

the filtered features

Throws:

java.lang.Exception

filterInternal

protected java.util.ArrayList<double[]> filterInternal(java.util.ArrayList<double[]> descriptors)
                                                throws java.lang.Exception

Description copied from class: AbstractFeatureFiltering

Subclasses should provide the implementation.

Specified by:

filterInternal in class AbstractFeatureFiltering

Returns:

the filtered features

Throws:

java.lang.Exception