org.openimaj.ml.linear.learner.perceptron

Class Projectron

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.Projectron

All Implemented Interfaces:

OnlineLearner<double[],PerceptronClass>

Direct Known Subclasses:

MeanCenteredProjectron

public class Projectron
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
Projectron(VectorKernel kernel)
Projectron(VectorKernel kernel, double eta)

Method Summary

Modifier and Type	Method and Description
double	getBias()
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

getSupports, 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

Projectron

public Projectron(VectorKernel kernel,
                  double eta)

Parameters:

kernel -

eta -

Projectron

public Projectron(VectorKernel kernel)

Parameters:

kernel -

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

getBias

public double getBias()

Overrides:

getBias in class DoubleArrayKernelPerceptron

Returns:

the bias