org.openimaj.image.connectedcomponent.proc

Class HuMoments

java.lang.Object

org.openimaj.image.connectedcomponent.proc.HuMoments

All Implemented Interfaces:

FeatureVectorProvider<DoubleFV>, ConnectedComponentProcessor

public class HuMoments
extends Object
implements ConnectedComponentProcessor, FeatureVectorProvider<DoubleFV>

Implementation of the 7 Hu moments for describing connected component shape.

Author:

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

Field Summary

Fields

Modifier and Type	Field and Description
double	h1 The first Hu moment
double	h2 The second Hu moment
double	h3 The third Hu moment
double	h4 The forth Hu moment
double	h5 The fifth Hu moment
double	h6 The sixth Hu moment
double	h7 The seventh Hu moment

Constructor Summary

Constructors

Constructor and Description
HuMoments()

Method Summary

Modifier and Type	Method and Description
DoubleFV	getFeatureVector() Get the FeatureVector associated with this object.
double[]	getFeatureVectorArray() Get all the values of the descriptor as an array.
void	process(ConnectedComponent cc) Perform an operation on the given ConnectedComponent.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

h1

public double h1

The first Hu moment

h2

public double h2

The second Hu moment

h3

public double h3

The third Hu moment

h4

public double h4

The forth Hu moment

h5

public double h5

The fifth Hu moment

h6

public double h6

The sixth Hu moment

h7

public double h7

The seventh Hu moment

Constructor Detail

HuMoments

public HuMoments()

Method Detail

process

public void process(ConnectedComponent cc)

Description copied from interface: ConnectedComponentProcessor

Perform an operation on the given ConnectedComponent.

Specified by:

process in interface ConnectedComponentProcessor

Parameters:

cc - The ConnectedComponent to process.

toString

public String toString()

Overrides:

toString in class Object

getFeatureVectorArray

public double[] getFeatureVectorArray()

Get all the values of the descriptor as an array.

Returns:

an array of descriptor values

getFeatureVector

public DoubleFV getFeatureVector()

Description copied from interface: FeatureVectorProvider

Get the FeatureVector associated with this object.

Specified by:

getFeatureVector in interface FeatureVectorProvider<DoubleFV>

Returns:

the feature vector.