CADI.Client.ClientLogicalTarget.JPEG2000
Class MultiComponentDetransform

java.lang.Object
  CADI.Client.ClientLogicalTarget.JPEG2000.MultiComponentDetransform

public class MultiComponentDetransform
extends java.lang.Object

This class implements several multiple component detransformations.

Two constructors are implemented depending on multiple component transformation is specified either by means of the JPEG2000-compliant headers or by means of the uncompliant JPK headers.

Version:

1.1 2008/12/13

Author:

Group on Interactive Coding of Images (GICI)

Field Summary

private CBDParameters	cbdParameters Definition in CBDParameters.
private CODParameters	codParameters Definition in CODParameters.
private int[]	componentIndexes Is an one-dimensional array with the component indexes which will be returned after the multi-component transform has been applied.
private float[][][]	imageSamples Multi-component image which will be detransformed along the component dimension (spectral dimension).
private boolean	isNoCompliantMCT Indicates whether the multiple component transformation is signalled by means of either CBD, MCT, MCC, and MCO parameters or the JPK parameters.
private JPKParameters	jpkParameters Definition in JPKParameters.
private java.util.HashMap<java.lang.Integer,MCCParameters>	mccParametersList Definition in MCCParameters.
private MCOParameters	mcoParameters Definition in MCOParameters.
private java.util.HashMap<java.lang.Integer,MCTParameters>	mctParametersList Definition in MCTParameters.
private int	multiComponentTransformType Definition in CODParameters.multiComponentTransform.
private int[]	relevantComponentIndexes Is an one-dimensional array with the component indexes which are necessaries to invert the multi-component transform.
private SIZParameters	sizParameters Definition in SIZParameters.
private float[][][]	tmpImageSamples Multi-component image which will be used as a temporary image in order to apply the inverse multi-component transform.

Constructor Summary

MultiComponentDetransform(float[][][] imageSamples, SIZParameters sizParameters, CODParameters codParameters, CBDParameters cbdParameters, java.util.HashMap<java.lang.Integer,MCTParameters> mctParametersList, java.util.HashMap<java.lang.Integer,MCCParameters> mccParametersList, MCOParameters mcoParameters, int[] relevantComponentIndexes, int[] componentIndexes)
Constructor.

MultiComponentDetransform(float[][][] imageSamples, SIZParameters sizParameters, JPKParameters jpkParameters, int[] relevantComponentIndexes, int[] componentIndexes)
Constructor.

Method Summary

private int[]	computeSubBandSizes(int zSize, int WTLevels) This function compute the subband sizes for every dimension.
private void	differentialCodingWithRestartIndex(int restartIndex) Performs the differential coding along the components with a periodical restart.
private void	differentialCodingWithRestartIndex(int[] restartIndexes) Performs the differential coding along the components with a non periodical restart.
private void	discreteWaveletTransform(int type, int levels)
float[][][]	getImage() Returns the imageSamples attribute.
void	list(java.io.PrintStream out) Prints this Multi-component detransform out to the specified output stream.
float[][][]	run() Performs the multiple component transformation.
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

Multi-component image which will be detransformed along the component dimension (spectral dimension).

sizParameters

private SIZParameters sizParameters

Definition in SIZParameters.

codParameters

private CODParameters codParameters

Definition in CODParameters.

multiComponentTransformType

private int multiComponentTransformType

Definition in CODParameters.multiComponentTransform.

cbdParameters

private CBDParameters cbdParameters

Definition in CBDParameters.

mctParametersList

private java.util.HashMap<java.lang.Integer,MCTParameters> mctParametersList

Definition in MCTParameters.

mccParametersList

private java.util.HashMap<java.lang.Integer,MCCParameters> mccParametersList

Definition in MCCParameters.

mcoParameters

private MCOParameters mcoParameters

Definition in MCOParameters.

jpkParameters

private JPKParameters jpkParameters

Definition in JPKParameters.

relevantComponentIndexes

private int[] relevantComponentIndexes

Is an one-dimensional array with the component indexes which are necessaries to invert the multi-component transform.

componentIndexes

private int[] componentIndexes

Is an one-dimensional array with the component indexes which will be returned after the multi-component transform has been applied.

isNoCompliantMCT

private boolean isNoCompliantMCT

Indicates whether the multiple component transformation is signalled by means of either CBD, MCT, MCC, and MCO parameters or the JPK parameters.

tmpImageSamples

private float[][][] tmpImageSamples

Multi-component image which will be used as a temporary image in order to apply the inverse multi-component transform. It is used due to the inverse module has not a canvas coordinate system.

Constructor Detail

MultiComponentDetransform

public MultiComponentDetransform(float[][][] imageSamples,
                                 SIZParameters sizParameters,
                                 CODParameters codParameters,
                                 CBDParameters cbdParameters,
                                 java.util.HashMap<java.lang.Integer,MCTParameters> mctParametersList,
                                 java.util.HashMap<java.lang.Integer,MCCParameters> mccParametersList,
                                 MCOParameters mcoParameters,
                                 int[] relevantComponentIndexes,
                                 int[] componentIndexes)

Constructor.

Parameters:

imageSamples - definition in imageSamples.

sizParameters - definition in sizParameters.

codParameters - definition in codParameters.

cbdParameters - definition in cbdParameters.

mctParametersList - definition in mctParametersList.

mccParametersList - definition in mccParametersList.

mcoParameters - definition in mcoParameters.

relevantComponentIndexes - definition in relevantComponentIndexes.

MultiComponentDetransform

public MultiComponentDetransform(float[][][] imageSamples,
                                 SIZParameters sizParameters,
                                 JPKParameters jpkParameters,
                                 int[] relevantComponentIndexes,
                                 int[] componentIndexes)

Constructor.

It must be used when the multiple component transformation is performed through the JPK main headers in the codestream. This is a non JEPG2000 compliant headers.

Parameters:

imageSamples - definition in imageSamples.

sizParameters - definition in sizParameters.

jpkParameters - definition in jpkParameters.

relevantComponentIndexes - definition in relevantComponentIndexes.

componentIndexes - definition in componentIndexes.

Method Detail

run

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

Performs the multiple component transformation.

Returns:

the imageSamples attribute.

Throws:

ErrorException

getImage

public float[][][] getImage()

Returns the imageSamples attribute.

Returns:

the imageSamples attribute.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

list

public void list(java.io.PrintStream out)

Prints this Multi-component detransform out to the specified output stream. This method is useful for debugging.

Parameters:

out - an output stream.

discreteWaveletTransform

private void discreteWaveletTransform(int type,
                                      int levels)
                               throws ErrorException

Parameters:

type -

levels -

Throws:

ErrorException

differentialCodingWithRestartIndex

private void differentialCodingWithRestartIndex(int restartIndex)
                                         throws ErrorException

Performs the differential coding along the components with a periodical restart.

Parameters:

restartIndex -

Throws:

ErrorException

differentialCodingWithRestartIndex

private void differentialCodingWithRestartIndex(int[] restartIndexes)
                                         throws ErrorException

Performs the differential coding along the components with a non periodical restart.

Parameters:

restartIndexes -

Throws:

ErrorException

computeSubBandSizes

private int[] computeSubBandSizes(int zSize,
                                  int WTLevels)

This function compute the subband sizes for every dimension.