Class Synthesis

Thread
- Synthesis

public class Synthesis

extends Thread

Wavelet Transformation Demo: Performs the reconstruction (synthesis) of a wavelet transformed image

Field Summary
`private Analysis`	`analysis`
`private String`	`borderExtMethod`
`private int`	`boundSize`
`private ImageCanvas`	`canvas`
`private String`	`decompMethod`
`private String`	`dispMethod`
`private boolean`	`dispNorm`
`private TransformDisplay`	`display`
`private int`	`filterSize`
`private double[]`	`iHP`
`private double[]`	`iLP`
`private ImageMaker`	`im`
`private Interpolation`	`interpol`
`private int`	`lineColor`
`private int`	`maxlevel`
`private int`	`orgNumBands`
`private int`	`orgNumCols`
`private int`	`orgNumRows`
`private TransformParams`	`params`
`private double`	`quanThreshold`
`private int`	`quantAbs`
`private int`	`quantAll`
`private boolean`	`quantFlag`
`private TransformLength`	`transLen`

Constructor Summary
`Synthesis(TransformDisplay tdisp, TransformParams params, ImageCanvas destCanvas, Analysis analysis)` Constructor

Method Summary
`private void`	`calculatePSNR(byte[][][] org, byte[][][] dec)`
`private boolean`	`checkArrayDimensions(Data a, Data b)` Check matching of array dimensions
`private double[]`	`convolution(double[] approx, double[] details, int outCount)` Perform the convolution of the approximation with the lowpass filter and the details with the highpass filter and add results for image reconstruction
`private void`	`initSynthesisCanvas()` Init the synthesis display canvas (with full transformation image from analysis)
`private void`	`initSynthesisCanvas(NonStdData coeffs)` Init the synthesis display canvas (with last low pass from analysis)
`private void`	`nonStandardDecomposition(NonStdData coeffs, int level, int dispLevel)` Perform the synthesis based on the Non-Standard decomposition
`private void`	`quantiseAll(Data in, Data out, String decMeth, boolean maxlevFlag)`
`private Data`	`quantiseCoeffs(Data data, String decMeth, boolean maxlevFlag)` Perform the quantisation of the image data
`private void`	`quantisePart(Data in, Data out, String decMeth)`
`void`	`run()` Start the synthesis
`private void`	`setDecompMethod(String method)` Sets the selected decomposition method and creates corresponding image display templates
`private void`	`setFilter(Filter filter)` Creates the needed filters
`private void`	`showImage(int numBands, int numRows, int numCols)` Display the reconstructed image
`private void`	`standardDecomposition(StdData coeffs, Data low, int level, int dispLevel, boolean colTransform)` Perform the synthesis based on the Standard decomposition
`void`	`synNotify()` Continue the synthesis processing
`void`	`synWait()` Pause the synthesis processing
`private void`	`waitSomeTime(boolean wait)` Wait some time before processing the next synthesis level

Synthesis

public Synthesis(TransformDisplay tdisp,
                 TransformParams params,
                 ImageCanvas destCanvas,
                 Analysis analysis)

Constructor

calculatePSNR

private void calculatePSNR(byte[][][] org,
                           byte[][][] dec)

checkArrayDimensions

private boolean checkArrayDimensions(Data a,
                                     Data b)

Check matching of array dimensions

convolution

private double[] convolution(double[] approx,
                             double[] details,
                             int outCount)

Perform the convolution of the approximation with the lowpass filter and the details with the highpass filter and add results for image reconstruction

initSynthesisCanvas

private void initSynthesisCanvas()

Init the synthesis display canvas (with full transformation image from analysis)

initSynthesisCanvas

private void initSynthesisCanvas(NonStdData coeffs)

Init the synthesis display canvas (with last low pass from analysis)

nonStandardDecomposition

private void nonStandardDecomposition(NonStdData coeffs,
                                      int level,
                                      int dispLevel)
            throws Message

Perform the synthesis based on the Non-Standard decomposition

quantiseAll

private void quantiseAll(Data in,
                         Data out,
                         String decMeth,
                         boolean maxlevFlag)

quantiseCoeffs

private Data quantiseCoeffs(Data data,
                            String decMeth,
                            boolean maxlevFlag)

Perform the quantisation of the image data

quantisePart

private void quantisePart(Data in,
                          Data out,
                          String decMeth)

run

public void run()

Start the synthesis

setDecompMethod

private void setDecompMethod(String method)

Sets the selected decomposition method and creates corresponding image display templates

setFilter

private void setFilter(Filter filter)

Creates the needed filters
Parameters:
filter - The specified filter

showImage

private void showImage(int numBands,
                       int numRows,
                       int numCols)

Display the reconstructed image

standardDecomposition

private void standardDecomposition(StdData coeffs,
                                   Data low,
                                   int level,
                                   int dispLevel,
                                   boolean colTransform)
            throws Message

Perform the synthesis based on the Standard decomposition

synNotify

public void synNotify()

Continue the synthesis processing

synWait

public void synWait()

Pause the synthesis processing

waitSomeTime

private void waitSomeTime(boolean wait)

Wait some time before processing the next synthesis level

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Class Synthesis

Field Summary

Constructor Summary

Method Summary

Field Details

analysis

borderExtMethod

boundSize

canvas

decompMethod

dispMethod

dispNorm

display

filterSize

iHP

iLP

im

interpol

lineColor

maxlevel

orgNumBands

orgNumCols

orgNumRows

params

quanThreshold

quantAbs

quantAll

quantFlag

transLen

Constructor Details

Synthesis

Method Details

calculatePSNR

checkArrayDimensions

convolution

initSynthesisCanvas

initSynthesisCanvas

nonStandardDecomposition

quantiseAll

quantiseCoeffs

quantisePart

run

setDecompMethod

setFilter

showImage

standardDecomposition

synNotify

synWait

waitSomeTime