org.openimaj.ml.linear.learner.perceptron

Class MeanCenteredKernelPerceptron

java.lang.Object

org.openimaj.ml.linear.learner.perceptron.KernelPerceptron<double[],PerceptronClass>

org.openimaj.ml.linear.learner.perceptron.DoubleArrayKernelPerceptron

org.openimaj.ml.linear.learner.perceptron.MeanCenteredKernelPerceptron

All Implemented Interfaces:

OnlineLearner<double[],PerceptronClass>

Direct Known Subclasses:

MarginMeanCenteredPerceptron

public class MeanCenteredKernelPerceptron
extends DoubleArrayKernelPerceptron

Author:

Sina Samangooei (ss@ecs.soton.ac.uk)

Field Summary

Fields inherited from class org.openimaj.ml.linear.learner.perceptron.DoubleArrayKernelPerceptron

supports, weights

Fields inherited from class org.openimaj.ml.linear.learner.perceptron.KernelPerceptron

errors

Constructor Summary

Constructors

Constructor and Description
MeanCenteredKernelPerceptron(VectorKernel k)

Method Summary

Modifier and Type	Method and Description
double[]	correct(double[] in)
double[]	getMean()
List<double[]>	getSupports()
void	update(double[] xt, PerceptronClass yt, PerceptronClass yt_prime) When there is an error in prediction, update somehow

Methods inherited from class org.openimaj.ml.linear.learner.perceptron.DoubleArrayKernelPerceptron

getBias, getWeights, mapping, predict

Methods inherited from class org.openimaj.ml.linear.learner.perceptron.KernelPerceptron

getErrors, process

Methods inherited from class java.lang.Object

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

Constructor Detail

MeanCenteredKernelPerceptron

public MeanCenteredKernelPerceptron(VectorKernel k)

Parameters:

k -

Method Detail

update

public void update(double[] xt,
                   PerceptronClass yt,
                   PerceptronClass yt_prime)

Description copied from class: KernelPerceptron

When there is an error in prediction, update somehow

Overrides:

update in class DoubleArrayKernelPerceptron

correct

public double[] correct(double[] in)

getSupports

public List<double[]> getSupports()

Overrides:

getSupports in class DoubleArrayKernelPerceptron

Returns:

the vectors that form the support

getMean

public double[] getMean()