Catalano.Imaging.Tools

Class HuMoments

java.lang.Object

Catalano.Imaging.Tools.HuMoments

public class HuMoments
extends java.lang.Object

Hu Moments. Compute 7 moments from hu, + 1 the last was proposed by J. Flusser and T. Suk. Compute RST invariants.

Constructor Summary

Constructors

Constructor and Description
HuMoments() Initialize a new instance of the HuMoments class.
HuMoments(boolean normalize) Initialize a new instance of the HuMoments class.

Method Summary

Modifier and Type	Method and Description
double[]	Compute(FastBitmap fastBitmap) Compute Hu moments.
boolean	isNormalize() Check if the moments are normalized.
void	setNormalize(boolean normalize) Normalize the moments.

Methods inherited from class java.lang.Object

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

Constructor Detail

HuMoments

public HuMoments()

Initialize a new instance of the HuMoments class.

HuMoments

public HuMoments(boolean normalize)

Initialize a new instance of the HuMoments class. Normalize by sign(x) * log10(x).

Parameters:

normalize - Normalize.

Method Detail

isNormalize

public boolean isNormalize()

Check if the moments are normalized.

Returns:

Check if the moments are normalized.

setNormalize

public void setNormalize(boolean normalize)

Normalize the moments.

Parameters:

normalize - True if needs to normalize the moments, otherwise return false.

Compute

public double[] Compute(FastBitmap fastBitmap)

Compute Hu moments.

Parameters:

fastBitmap - Image.

Returns:

8 Moments.