Package adams.data.image.transformer

Class GaussianBlur

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.data.image.AbstractImageTransformer<BufferedImageContainer>

adams.data.image.transformer.AbstractBufferedImageTransformer

adams.data.image.transformer.GaussianBlur

All Implemented Interfaces:

CleanUpHandler, Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, SizeOfHandler, ImageTransformer<BufferedImageContainer>, FlowContextHandler, Serializable, Comparable

public class GaussianBlur
extends AbstractBufferedImageTransformer

Performs a gaussian blur.
Original code taken from here:
http://www.jhlabs.com/ip/blurring.html

Valid options are:

-D <int> (property: debugLevel)
    The greater the number the more additional info the scheme may output to
    the console (0 = off).
    default: 0
    minimum: 0
 

-radius <double> (property: radius)
    The blur radius.
    default: 2.0
    minimum: 1.0E-4
 

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected double	m_Radius	the radius to use.

Fields inherited from class adams.data.image.AbstractImageTransformer

m_FlowContext

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
GaussianBlur()

Method Summary

Modifier and Type	Method	Description
protected int	clamp(int c)	Clamp a value to the range 0..255
protected void	convolveAndTranspose(Kernel kernel, int[] inPixels, int[] outPixels, int width, int height)	Applies the kernel.
void	defineOptions()	Adds options to the internal list of options.
protected BufferedImageContainer[]	doTransform(BufferedImageContainer img)	Performs no transformation at all, just returns the input.
double	getRadius()	Returns the blur radius.
String	globalInfo()	Returns a string describing the object.
protected Kernel	makeKernel(float radius)	Make a Gaussian blur kernel.
String	radiusTipText()	Returns the tip text for this property.
void	setRadius(double value)	Sets the blur radius.

Methods inherited from class adams.data.image.transformer.AbstractBufferedImageTransformer

forCommandLine, forName, getTransformations

Methods inherited from class adams.data.image.AbstractImageTransformer

checkImage, cleanUp, compareTo, destroy, equals, getFlowContext, getQuickInfo, initialize, setFlowContext, shallowCopy, shallowCopy, transform

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, finishInit, getDefaultLoggingLevel, getOptionManager, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Methods inherited from interface adams.core.option.OptionHandler

cleanUpOptions, getOptionManager, toCommandLine

Field Detail

m_Radius

protected double m_Radius

the radius to use.

Constructor Detail

GaussianBlur

public GaussianBlur()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface GlobalInfoSupporter

Specified by:

globalInfo in class AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

defineOptions

public void defineOptions()

Adds options to the internal list of options.

Specified by:

defineOptions in interface OptionHandler

Overrides:

defineOptions in class AbstractOptionHandler

setRadius

public void setRadius(double value)

Sets the blur radius.

Parameters:

value - the radius

getRadius

public double getRadius()

Returns the blur radius.

Returns:

the radius

radiusTipText

public String radiusTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the gui

clamp

protected int clamp(int c)

Clamp a value to the range 0..255

Parameters:

c - the value to clamp

Returns:

the clamped value

convolveAndTranspose

protected void convolveAndTranspose(Kernel kernel,
                                    int[] inPixels,
                                    int[] outPixels,
                                    int width,
                                    int height)

Applies the kernel.

Parameters:

kernel - the kernel to apply

inPixels - the incoming pixels

outPixels - the generated pixels

width - the width of the image

height - the height of the image

makeKernel

protected Kernel makeKernel(float radius)

Make a Gaussian blur kernel.

Parameters:

radius - the radius of the kernel

doTransform

protected BufferedImageContainer[] doTransform(BufferedImageContainer img)

Performs no transformation at all, just returns the input.

Specified by:

doTransform in class AbstractImageTransformer<BufferedImageContainer>

Parameters:

img - the image to process (can be modified, since it is a copy)

Returns:

the copy of the image