GiciTransform
Class DPCMSpectralDecorrelator

java.lang.Object
  GiciTransform.DPCMSpectralDecorrelator

public class DPCMSpectralDecorrelator
extends java.lang.Object

This class receives an image and transposes it if required.Typically it is used in the following way:
constructor(receiveing the image to be transposed)
setParameters
run

Version:

1.0

Author:

Group on Interactive Coding of Images (GICI)

Field Summary

(package private) float[][][]

imageSamples Definition in Coder

Constructor Summary

DPCMSpectralDecorrelator(float[][][] imageSamples)
Constructor that receives the original image samples.

Method Summary

float[][][]	forwardDifferentialReference(int referenceIndex)
float[][][]	forwardDPCM() Performs the forward DPCM
float[][][]	forwardDPCM(int restartIndex)
float[][][]	inverseDifferentialReference(int referenceIndex)
float[][][]	inverseDPCM() Performs the inverse DPCM
float[][][]	inverseDPCM(int restartIndex)

Methods inherited from class java.lang.Object

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

Field Detail

imageSamples

float[][][] imageSamples

Definition in Coder

Constructor Detail

DPCMSpectralDecorrelator

public DPCMSpectralDecorrelator(float[][][] imageSamples)

Constructor that receives the original image samples.

Parameters:

imageSamples - definition in Coder

Method Detail

forwardDPCM

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

Performs the forward DPCM

Returns:

the image with the DPCM coefficients in the spectral domain

Throws:

ErrorException - when parameters are not set

inverseDPCM

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

Performs the inverse DPCM

Returns:

the image with the recovered DPCM coefficients in the spectral domain

Throws:

ErrorException - when parameters are not set

forwardDPCM

public float[][][] forwardDPCM(int restartIndex)
                        throws ErrorException

Throws:

ErrorException

inverseDPCM

public float[][][] inverseDPCM(int restartIndex)
                        throws ErrorException

Throws:

ErrorException

forwardDifferentialReference

public float[][][] forwardDifferentialReference(int referenceIndex)
                                         throws ErrorException

Throws:

ErrorException

inverseDifferentialReference

public float[][][] inverseDifferentialReference(int referenceIndex)
                                         throws ErrorException

Throws:

ErrorException