Package com.luna.common.img.gif

Class NeuQuant

java.lang.Object

com.luna.common.img.gif.NeuQuant

public class NeuQuant
extends Object

NeuQuant Neural-Net Quantization Algorithm

Author:

Dekker

Field Summary

Fields

Modifier and Type	Field	Description
protected static final int	ALPHABIASSHIFT
protected int	alphadec
protected static final int	ALPHARADBIAS
protected static final int	ALPHARADBSHIFT
protected static final int	BETA
protected static final int	BETAGAMMA
protected static final int	BETASHIFT
protected int[]	bias
protected int[]	freq
protected static final int	GAMMA
protected static final int	GAMMASHIFT
protected static final int	INITALPHA
protected static final int	INITRAD
protected static final int	INITRADIUS
protected static final int	INTBIAS
protected static final int	INTBIASSHIFT
protected int	lengthcount
protected static final int	MAXNETPOS
protected static final int	MINPICTUREBYTES
protected static final int	NCYCLES
protected static final int	NETBIASSHIFT
protected int[]	netindex
protected static final int	NETSIZE
protected int[][]	network
protected static final int	PRIME1
protected static final int	PRIME2
protected static final int	PRIME3
protected static final int	PRIME4
protected static final int	RADBIAS
protected static final int	RADBIASSHIFT
protected static final int	RADIUSBIAS
protected static final int	RADIUSBIASSHIFT
protected static final int	RADIUSDEC
protected int[]	radpower
protected int	samplefac
protected byte[]	thepicture

Constructor Summary

Constructors

Constructor	Description
NeuQuant(byte[] thepic, int len, int sample)

Method Summary

Modifier and Type	Method	Description
protected void	alterneigh(int rad, int i, int b, int g, int r)
protected void	altersingle(int alpha, int i, int b, int g, int r)
byte[]	colorMap()
protected int	contest(int b, int g, int r)
void	inxbuild()
void	learn()
int	map(int b, int g, int r)
byte[]	process()
void	unbiasnet()

Methods inherited from class java.lang.Object

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

Field Details

NETSIZE

protected static final int NETSIZE

See Also:

• Constant Field Values

PRIME1

protected static final int PRIME1

See Also:

• Constant Field Values

PRIME2

protected static final int PRIME2

See Also:

• Constant Field Values

PRIME3

protected static final int PRIME3

See Also:

• Constant Field Values

PRIME4

protected static final int PRIME4

See Also:

• Constant Field Values

MINPICTUREBYTES

protected static final int MINPICTUREBYTES

See Also:

• Constant Field Values

MAXNETPOS

protected static final int MAXNETPOS

See Also:

• Constant Field Values

NETBIASSHIFT

protected static final int NETBIASSHIFT

See Also:

• Constant Field Values

NCYCLES

protected static final int NCYCLES

See Also:

• Constant Field Values

INTBIASSHIFT

protected static final int INTBIASSHIFT

See Also:

• Constant Field Values

INTBIAS

protected static final int INTBIAS

See Also:

• Constant Field Values

GAMMASHIFT

protected static final int GAMMASHIFT

See Also:

• Constant Field Values

GAMMA

protected static final int GAMMA

See Also:

• Constant Field Values

BETASHIFT

protected static final int BETASHIFT

See Also:

• Constant Field Values

BETA

protected static final int BETA

See Also:

• Constant Field Values

BETAGAMMA

protected static final int BETAGAMMA

See Also:

• Constant Field Values

INITRAD

protected static final int INITRAD

See Also:

• Constant Field Values

RADIUSBIASSHIFT

protected static final int RADIUSBIASSHIFT

See Also:

• Constant Field Values

RADIUSBIAS

protected static final int RADIUSBIAS

See Also:

• Constant Field Values

INITRADIUS

protected static final int INITRADIUS

See Also:

• Constant Field Values

RADIUSDEC

protected static final int RADIUSDEC

See Also:

• Constant Field Values

ALPHABIASSHIFT

protected static final int ALPHABIASSHIFT

See Also:

• Constant Field Values

INITALPHA

protected static final int INITALPHA

See Also:

• Constant Field Values

alphadec

protected int alphadec

RADBIASSHIFT

protected static final int RADBIASSHIFT

See Also:

• Constant Field Values

RADBIAS

protected static final int RADBIAS

See Also:

• Constant Field Values

ALPHARADBSHIFT

protected static final int ALPHARADBSHIFT

See Also:

• Constant Field Values

ALPHARADBIAS

protected static final int ALPHARADBIAS

See Also:

• Constant Field Values

thepicture

protected byte[] thepicture

lengthcount

protected int lengthcount

samplefac

protected int samplefac

network

protected int[][] network

netindex

protected int[] netindex

bias

protected int[] bias

freq

protected int[] freq

radpower

protected int[] radpower

Constructor Details

NeuQuant

public NeuQuant(byte[] thepic,
 int len,
 int sample)

Method Details

colorMap

public byte[] colorMap()

inxbuild

public void inxbuild()

learn

public void learn()

map

public int map(int b,
 int g,
 int r)

process

public byte[] process()

unbiasnet

public void unbiasnet()

alterneigh

protected void alterneigh(int rad,
 int i,
 int b,
 int g,
 int r)

altersingle

protected void altersingle(int alpha,
 int i,
 int b,
 int g,
 int r)

contest

protected int contest(int b,
 int g,
 int r)