CADI.Common.LogicalTarget.JPEG2000.Detransform
Class ColourDetransform

java.lang.Object
  CADI.Common.LogicalTarget.JPEG2000.Detransform.ColourDetransform

public class ColourDetransform
extends java.lang.Object

This class receives a colour image and applies the irreversible colour transform defined in JPEG2000 standard.

Usage example:
construct
run

Version:

1.1.0 2008/12/13

Author:

Group on Interactive Coding of Images (GICI)

Field Summary

private static float[][]	ICT Matrix of inverse ICT The values are static.
private float[][][]	imageSamples Definition in JPEG2KLogicalTarget.imageSamplesFloat
private boolean	reversible If true, a reversible component transformation will be applied.
private int	xSize Definition in SIZParameters.xSize
private int	ySize Definition in SIZParameters.ySize

Constructor Summary

ColourDetransform(float[][][] imageSamples, boolean reversible)
Constructor that receives the original image samples.

Method Summary

void	list(java.io.PrintStream out) Prints this ColourDetransform's fields to the specified output stream.
float[][][]	run() Performs the colour detransform and returns the result image.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

imageSamples

private float[][][] imageSamples

Definition in JPEG2KLogicalTarget.imageSamplesFloat

ySize

private int ySize

Definition in SIZParameters.ySize

xSize

private int xSize

Definition in SIZParameters.xSize

reversible

private boolean reversible

If true, a reversible component transformation will be applied. Otherwise, the component transformation will be irreversible.

ICT

private static float[][] ICT

Matrix of inverse ICT

The values are static.

Constructor Detail

ColourDetransform

public ColourDetransform(float[][][] imageSamples,
                         boolean reversible)

Constructor that receives the original image samples.

Parameters:

imageSamples - definition in imageSamples

reversible - definition in reversible.

Method Detail

run

public float[][][] run()
                throws ErrorException

Performs the colour detransform and returns the result image.

Returns:

the colour transformed image

Throws:

ErrorException - when parameters are not set or unrecognized colour transform is passed

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

list

public void list(java.io.PrintStream out)

Prints this ColourDetransform's fields to the specified output stream. This method is useful for debugging.

Parameters:

out - an output stream.